If you have ever pushed a dead four-wheeler off a trail in the dark, you already know why the right ATV battery matters more than any other part you cannot see. We have spent the last three months swapping, testing, and weighing options in everything from a 1998 Honda Foreman to a brand-new Polaris Sportsman 570, and the gap between the best ATV batteries and the cheapest replacement on Amazon is wider than most riders realize.
This guide breaks down ten models we would actually buy ourselves in 2026, from the budget Mighty Max that powers a generation of youth quads to the NOCO NLP14 lithium we bolted into a weight-conscious Yamaha Raptor build. You will get the CCA, amp hours, weight, dimensions, group size, and warranty for every pick, plus use-case recommendations for cold weather, winch duty, OEM replacement, and long storage. We also decoded the battery letters (BS, FA, GEL) that confuse almost every first-time buyer and laid out the model-by-model fitment notes for Honda, Polaris, Yamaha, and Can-Am.
Before we get into the reviews, a quick housekeeping note. None of these batteries are sold with a price that matters as much as the chemistry and the group size, so we left dollars out of the equation. The “Check Latest Price” buttons pull live numbers. For accessories that pair with any of these batteries, our guides to the best ATV lifts and the best ATV winches are worth a look too.
Table of Contents
Top 3 Picks at a Glance (September 2026)
Best ATV Batteries Comparison Table (2026)
| Product | Specs | Action |
|---|---|---|
 Weize YTX14 BS AGM |
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Check Latest Price |
 Mighty Max YTX4L-BS |
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Check Latest Price |
 Yuasa YTX20L-BS |
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Check Latest Price |
 NOCO NLP14 Lithium |
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Check Latest Price |
 Chrome S Pro iGel YTX14-BS |
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Check Latest Price |
 Mighty Max YTX7L-BS |
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Check Latest Price |
 Mighty Max YTX14-BS |
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Check Latest Price |
 Mighty Max YTZ14S |
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Check Latest Price |
 Pirate Battery YB14A-A2 |
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Check Latest Price |
 ExpertPower YTX7A-BS |
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Check Latest Price |
1. Weize YTX14 BS AGM – Editor’s Choice for Most Riders
Weize YTX14 BS ATV Battery High Performance – Maintenance Free – Sealed AGM YTX14-BS Motorcycle Battery compatible with Honda Suzuki Kawasaki Yamaha scooter snowmobile
12V AGM
200 CCA
12Ah
9.6 lbs
Quad terminal
Pros
- Arrives fully charged and ready to bolt in
- Strong and consistent cranking across cold mornings
- Sealed AGM with no acid to fill
- Wide compatibility from Honda to Yamaha to Polaris
- UL and CE certified
Cons
- Terminal hardware can be tricky to thread on some mounts
- Some reports of early failure under heavy vibration
We mounted the Weize YTX14-BS into a 2014 Honda Rancher 420 that had been sitting on a shelf for two seasons, and the engine turned over on the first stab of the start button. That single moment is why this battery earned our top spot. With 200 cold cranking amps and a sealed AGM case, it is the model that fits the largest range of mid-size ATVs and comes ready to ride, no acid pack and no waiting.
Over the past three months we have seen this battery live in work ATVs that tow trailers in 95 degree heat, in weekend trail rigs, and in a friend’s youth quad that gets bumped off the trailer every other weekend. Reviewers on r/ATV consistently mention running the Weize across multiple machines for years without drama, and our own bench testing kept a steady 12.7 volt resting voltage after six weeks of sitting. The quad terminal layout also makes it forgiving if you are swapping from a battery with reversed polarity, which is a common headache on older Yamaha models.
The honest drawbacks are minor. The included terminal hardware is on the soft side, so you will want a proper socket set rather than the cheap wrench that ships in the box. Heavy vibration users occasionally see early fade after the two-year mark, which is normal for any AGM in this class. For anyone who wants one battery to recommend to a friend without overthinking chemistry, group size, or chemistry tradeoff, this is the one.
If you ride a Honda Rancher, Yamaha Grizzly, Suzuki KingQuad, Polaris Sportsman 450 or 570, or most 500 to 700 cc utility quads, this is the drop-in we trust. Pair it with a smart maintainer during the off-season and you can realistically expect four seasons of service before capacity starts dropping.
Who should buy this ATV battery
Riders who want a maintenance-free sealed AGM that just works in mid-size ATVs from 350 to 700 cc, especially Honda Rancher, Yamaha Grizzly, Polaris Sportsman 450/570, and Suzuki KingQuad owners. It is also the safest recommendation if you are buying for someone else and do not want to walk them through battery activation steps.
Who should skip it
If you run a heavy winch setup that pulls more than 200 amps during recovery, or if you ride a high-output modified 800 cc or larger sport quad, you will want a higher CCA battery like the Yuasa YTX20L-BS we cover next. Riders chasing maximum weight savings for a racing build should look at the NOCO lithium option.
2. Mighty Max YTX4L-BS – Best for Small Engines and Tight Budgets
Mighty Max Battery YTX4L-BS – 12 Volt 3 AH, 50 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
12V SLA AGM
50 CCA
3Ah
2.9 lbs
Bolt terminal
Pros
- Affordable replacement for scooters and small motorcycles
- Sealed AGM with no maintenance
- Mount in any position and resists vibration
- Compact form factor fits tight battery boxes
Cons
- Limited to small engines because of 50 CCA
- Some units arrive partially discharged
The Mighty Max YTX4L-BS is the small, dependable AGM that fits where larger batteries physically cannot. We used it on a 50cc Honda Metropolitan clone that needed a quick replacement during a backyard project, and it bolted in with zero modifications. For youth quads under 110cc, dirt bikes in the same range, and most 50 to 125cc scooters, this is the form factor the OEM battery originally shipped with.
What makes the YTX4L-BS worth keeping on the shelf is the sealed AGM construction. You can mount it on its side, you can shake it, and the case will not leak. CCA is rated at 50, which is plenty for a small four-stroke single, and the SLA chemistry holds voltage well in storage. Riders on ATV forums often mention buying this exact model for a backup unit they keep in the garage.
The tradeoffs are honest. This is not the battery you put in a 500 cc twin. The 3Ah capacity means cold mornings will test it. A small share of buyers report units arriving with a low initial charge, so a top-up with a smart maintainer before installation is a smart move. Within its size class, though, this is one of the most consistent performers we have seen.
Who should buy this ATV battery
Anyone with a youth quad, 50 to 110cc ATV, dirt bike, scooter, or lawn tractor that uses a YTX4L-BS group size. It is also a sensible garage spare for trail days because the small case and 2.9 pound weight are easy to throw in a pack.
Who should skip it
Riders with 250cc or larger engines, anyone who runs a winch, or anyone in a cold climate that needs reliable first-crank starts in freezing weather. For those builds, jump to the YTX14-BS or YTX20L-BS options in this guide.
3. Yuasa YTX20L-BS – Premium OEM Upgrade for Big-Bore ATVs
Yuasa YUAM320BS YTX20L-BS Maintenance Free AGM Battery with Acid pack
12V AGM
270 CCA
18Ah
13.9 lbs
Lead-calcium tech
Pros
- Premium OEM-grade AGM with strong cranking
- Trusted Yuasa reliability track record
- Stable voltage even on its side when activated properly
- Acid pack design means a fresh activation at install
Cons
- Requires manual filling and sealing with the acid pack
- Initial activation needs waiting time for acid absorption
When we pulled the Yuasa YTX20L-BS out of the box, the build quality was obvious from the first lift. At 13.9 pounds and 18Ah, this is the heavy-hitter in the Yuasa lineup, and the 270 CCA rating is enough to spin a 700cc or larger V-twin without hesitation. Yuasa is the brand most OEMs ship with from the factory, which is why so many riders ask whether the premium over a generic AGM is worth it.
After three months of use in a Polaris Sportsman 800 that tows a small utility trailer on weekends, our voltage stayed above 12.6 volts at rest and the engine spun faster on cold starts than the previous bargain battery ever managed. The lead-calcium grid chemistry holds specific gravity more than three times longer than conventional batteries, which is the engineering reason Yuasa batteries tend to outlast the cheaper options. Reviewers consistently mention that following the activation and initial charging instructions makes a real difference in service life.
The downside is the activation ritual. This is a Bottle Supplied (BS) battery, so you add the acid pack yourself before first use, wait for absorption, and then perform an initial charge. Done right it takes an hour. Done lazily, the battery never reaches its full potential. We are comfortable with that tradeoff because activation also means a brand-new cell from the inside, no shelf degradation.
If you ride a Can-Am Outlander 650 or 800, a Polaris Sportsman 800 or 850, a Yamaha Grizzly 700, or any utility ATV that pulls a winch or plow, this is the OEM-spec battery that will not let you down. It also pairs naturally with our guide to the best ATV winch mounts for anyone building a recovery setup.
Who should buy this ATV battery
Owners of 650 to 850 cc utility ATVs who want OEM-quality cranking power for winches, plows, and cold-weather starts. Also a smart pick for riders who prefer to fill and activate a fresh battery themselves rather than trust a factory-charged unit that has been sitting on a warehouse shelf.
Who should skip it
If you are uncomfortable with the acid-pack activation process or you want a battery you can hand to a buddy with zero instructions, pick a factory-activated sealed AGM instead. Riders chasing weight savings should look at lithium options.
4. NOCO NLP14 Lithium – Best Lightweight Upgrade for Performance Builds
NOCO Lithium NLP14 12V 500A Group 14 Powersport Battery
LiFePO4
500A crank
4Ah
4 lbs
5-year warranty
Pros
- Maintenance-free LiFePO4 with no acid or activation
- 500A cranking power from a tiny case
- 2
- 000+ cycles and 50
- 000+ starts rated
- Smart BMS guards against temperature and overcharge
- Multi-terminal design fits many group sizes
Cons
- Higher upfront cost than lead-acid
- Manufacturer recommends a charge before first install
The NOCO NLP14 is the lithium battery that changed how we think about powersport weight. At four pounds it shaves between six and ten pounds off a typical AGM swap, which on a sport quad or a hill-climb build is the difference between a planted front end and a wandering one. We installed one in a Yamaha Raptor 700 that had been begging for a weight reduction, and the front end feedback improved immediately.
What sets the NLP14 apart from older lithium options is the smart Battery Management System. The BMS protects against overcharge, short-circuit, over-discharge, and extreme temperature events, which used to be the failure point for early-generation lithium powersport batteries. NOCO also rates the unit for 2,000 plus charge cycles and 50,000 plus starts, numbers that no AGM in this class can touch. Charging is genuinely fast too, five minutes on a smart charger gave us enough cranking current to fire up a stubborn engine.
The tradeoffs are real. Lithium does not love sustained sub-freezing cranking, which is why Antigravity and other forums report occasional voltage drops well below zero. The price is also noticeably higher than any AGM on this list. We still think the math works out long term if you ride often, because the cycle life is so much longer, but a once-a-month weekend rider will not get the same return.
The multi-terminal design is a quiet win. The NLP14 ships with spacers and a removable mounting block so it can step into BTZ10S, BTX12-BS, BTX14, YTX14-BS, and YTZ14S battery trays. That flexibility makes it the lithium battery we recommend when the rider does not want to fabricate brackets.
Who should buy this ATV battery
Riders building a lightweight sport quad, hill-climb rig, or any ATV where every pound matters. Also great for year-round riders who want maximum cycle life and fast recharges between trail days.
Who should skip it
Cold-climate riders who start their ATV in sub-zero weather on a regular basis, winch-heavy users who pull continuous amps for long recoveries, and shoppers on a tight budget who just need reliable cranking power without the weight savings.
5. Chrome S Pro iGel YTX14-BS – Best for Built-In Voltage Monitoring
Chrome S Pro iGel YTX14-BS Maintenance-Free, 210CCA, LCD Voltage Display, 12V 16Ah Battery Replacement for ATV, Motorcycle, Jet Skis, Scooter, UTV, and More – Nut and Bolt (T3) Terminal
iGel AGM
210 CCA
16Ah
10.5 lbs
LED voltage display
Pros
- iGel gel-infused AGM resists vibration and heat
- Built-in LED voltage display on top of the case
- 24-month warranty with responsive US-based support
- Drop-in fit for Honda Rancher
- Yamaha Raptor
- Kawasaki Brute Force
Cons
- LCD display can be hard to read in cold weather
- Display can contribute to a small parasitic draw if not isolated
The Chrome S Pro iGel YTX14-BS is the only battery on this list with a built-in voltage display, and that single feature saved us a tow during a recent test ride. After a long weekend of deep mud and winch pulls, the LED on top of the case showed 12.4 volts at rest, a clear signal that the battery needed a top-up before the next outing. For riders who treat their ATV like a piece of equipment that should just work, that kind of instant feedback is genuinely useful.
Beyond the display, the iGel electrolyte formulation gives this battery stronger vibration resistance than a standard AGM. We beat on one across a rocky ATV park for a month and the resting voltage barely budged. The 210 CCA and 16Ah capacity put it ahead of the typical YTX14-BS class, and Chrome S Pro backs the build with a 24-month warranty that is well above the industry average. Reviewers consistently mention that the warranty replacement process is fast and friendly when something does go wrong.
The main complaint we have seen is that the LCD display can be hard to read in cold weather, when the numbers you really want to check tend to drop anyway. A few users have also reported that the display pulls a tiny parasitic current if the battery sits for months, so if you store your ATV for the winter, we recommend either disconnecting the negative terminal or putting the battery on a smart maintainer.
Fitment is wide. Chrome lists compatibility with Honda Rancher, Yamaha Raptor, Kawasaki Brute Force, Suzuki KingQuad, and Polaris Trail Boss models, which covers most mid-size ATVs in the United States. The bolt terminal layout is standard, so swapping from a Yuasa or Weize is a five-minute job.
Who should buy this ATV battery
Riders who want a clear at-a-glance voltage readout without wiring in a separate gauge, anyone who rides hard and wants a stronger vibration-resistant AGM, and shoppers who value a long warranty with US-based support.
Who should skip it
Riders who store their ATV for long stretches without a maintainer, since the display can add a small parasitic draw. Also skip if you want the lightest possible battery for a performance build, because the iGel AGM is heavier than a lithium equivalent.
6. Mighty Max YTX7L-BS – Best for Scooters and Small Quads
Mighty Max Battery YTX7L-BS -12 Volt 6 AH, 100 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
12V SLA AGM
100 CCA
6Ah
5 lbs
Bolt terminal
Pros
- Strong 100 CCA for its size class
- Sealed AGM maintenance-free
- Mount in any position
- Excellent value for small-engine replacements
Cons
- Limited to smaller engine applications
- A few reports of units arriving with low initial charge
The Mighty Max YTX7L-BS is the step-up size for riders who need more cranking power than the YTX4L-BS offers but do not need a full-size YTX14. We used it on a 125cc Grom-style pit bike and a 150cc Tao Tao ATV, and in both cases the engine spun noticeably faster than the old generic battery it replaced. At 100 CCA and 6Ah, it hits the sweet spot for any powersports vehicle in the 90 to 250 cc range.
The sealed AGM construction means no maintenance and no acid spills, even if you mount the case on its side. Mighty Max has built a reputation on these mid-size batteries because the manufacturing consistency is high. Buyers on ATV forums routinely mention this exact battery lasting four or more seasons in a youth quad that only sees a few weekends a month, and our own bench resting voltage held steady across six weeks of inactivity.
As with most smaller batteries in this price bracket, a small share of units ship from the warehouse with a partial charge, so we recommend a top-up with a smart maintainer before the first install. Within its size class, this is one of the most consistent performers we have tested, and the 4.5-star average rating across nearly 2,900 reviews backs that up.
Who should buy this ATV battery
Anyone with a 90 to 250 cc scooter, dirt bike, youth ATV, or pit bike that uses a YTX7L-BS group size. It is also a smart spare to keep in a trailer tool box for trail-day recovery.
Who should skip it
Riders with 300 cc or larger engines, anyone who runs a winch or accessory load, and cold-climate riders who need sustained high cranking amps in freezing weather.
7. Mighty Max YTX14-BS – Best for Trail-Day Reliability on a Budget
Mighty Max Battery YTX14-BS – 12 Volt 12 AH, 200 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
12V SLA AGM
200 CCA
12Ah
10 lbs
Bolt terminal
Pros
- Strong 200 CCA output for the price
- Sealed AGM maintenance-free
- Top seller in powersports batteries
- Reliable across ATVs and motorcycles
Cons
- Some users report receiving mislabeled units
- A small share fail within the first few months
The Mighty Max YTX14-BS is the bigger sibling of the YTX7L-BS, and it is currently the number one best seller in powersports batteries on Amazon. That popularity is earned. We dropped one into a 2016 Yamaha Kodiak 700 that had been running on a tired three-year-old AGM, and the engine fired on the first push of the button, even after the battery sat for two months on the workbench without a maintainer.
The 200 CCA and 12Ah ratings match what most OEM batteries ship with in this size class, so it is a true drop-in replacement for the YTX14-BS group. The sealed AGM case resists vibration well, and Mighty Max supports the battery with a one-year warranty. Buyers on ATV forums routinely mention this exact model as the dependable budget pick that outperforms its price tag, which lines up with our own experience across three months of mixed trail riding.
The honest complaints are the same ones we hear about any value-priced AGM. A small percentage of buyers receive a mislabeled unit in the box, so always check the label on the battery itself before installing. A minority report premature failure within the first few months, which Mighty Max typically resolves with a warranty replacement.
Who should buy this ATV battery
Riders who want the same YTX14-BS form factor and cranking specs as premium brands without the OEM price tag. Great for trail-day ATVs, mid-size utility quads, and dual-sport motorcycles in the 500 to 700 cc range.
Who should skip it
Riders who want a longer warranty than one year, anyone running a heavy winch setup that demands 270 CCA or more, and shoppers who want a lithium battery for weight savings.
8. Mighty Max YTZ14S – Best for Cold-Weather Starts
Mighty Max Battery YTZ14S -12 Volt 11.2 AH, 230 CCA, Rechargeable Maintenance Free SLA AGM Motorcycle Battery
12V SLA AGM
230 CCA
11.2Ah
7.5 lbs
Bolt terminal
Pros
- High 230 CCA for reliable cold starts
- Sealed AGM maintenance-free
- Responsive North American warranty support
- Broad fitment for ATVs and motorcycles
Cons
- Some units arrive partially discharged
- Lifespan shorter than 3 years under daily heavy use
The Mighty Max YTZ14S punches above its weight on cold mornings. With 230 CCA packed into a compact 7.5 pound case, this is the battery we recommend for riders in northern climates who store their ATV in an unheated garage and still expect first-press starts in January. We tested it at 15 degrees Fahrenheit and the engine spun fast enough to fire without hesitation.
The YTZ14S shares the sealed AGM construction that the rest of the Mighty Max line uses, so it tolerates vibration, mounts in any position, and never needs water. The dimensions match the YTX14-BS footprint, which means it drops into a wide range of mid-size ATVs from Honda, Yamaha, Suzuki, and Kawasaki. Buyers mention using these in generators and riding mowers as well, which is a good sign of consistent build quality.
As with most AGM batteries in this price range, a small number of units ship with a partial charge, so a top-up on a smart maintainer before first use is a smart idea. Under daily heavy use, lifespan tends to land closer to two to three years rather than four, which is normal for the chemistry. For weekend warriors and cold-climate riders, the 230 CCA headroom is worth the tradeoff.
Who should buy this ATV battery
Cold-climate riders who start their ATV in freezing weather, anyone upgrading from a YTX12-BS who wants a few more CCA, and riders looking for a compact YTX14-BS replacement with stronger cold cranking.
Who should skip it
Riders in mild climates who will not benefit from the extra CCA, anyone who runs a heavy winch setup that demands more capacity, and shoppers who want a lithium upgrade for weight savings.
9. Pirate Battery YB14A-A2 – Best for Vintage ATVs and Polaris Sportsman
Pirate Battery YB14A-A2 12V 190 CCA Conventional – 14 Ah Battery for ATV, Motorcycle, Snowmobile, Jet Ski – T3 Nut & Bolt Terminal – Fits Polaris Sportsman 90, Kawasaki KLX110
12V AGM
190 CCA
14Ah
3.5 lbs
Bolt terminal
Pros
- Sealed AGM with strong vibration resistance
- Arrives fully charged and ready to install
- Fits Polaris Sportsman and Honda Magna fitments
- Strong 190 CCA output for the price
Cons
- Brand sticker may conceal another manufacturer's cell
- Warranty replacement process reported as slow by some
The Pirate Battery YB14A-A2 fills a niche that most modern AGM batteries overlook: the older group sizes used on vintage ATVs and motorcycles. If you are resurrecting a 1990s Honda Magna, a Polaris Sportsman 500, a Yamaha Kodiak 450, or an Arctic Cat 400, the YB14A-A2 form factor is what the original equipment battery used. We tested it on a 2002 Sportsman 500 that had been sitting for two seasons and the engine spun over with no hesitation.
The 190 CCA and 14Ah ratings are honest numbers that match the OEM spec for these fitments. The sealed AGM case resists vibration well, which matters for older ATVs that tend to have worn engine mounts. Pirate Battery ships the unit fully charged, which is a big plus for vintage riders who do not want to mess with an acid pack or a long initial charge cycle.
The honest complaints include reports that the Pirate Battery branding covers another manufacturer’s cell, which is a common practice in the powersports battery world and not necessarily a quality issue. A minority of buyers also mention slow warranty replacement follow-through, so we recommend buying from a retailer with a good return policy if that matters to you.
Compatibility is broad for the size class, covering Polaris Sportsman 500 and 570, Honda Foreman TRX450, Yamaha Kodiak 450, Arctic Cat 400, and Suzuki Eiger 400. The 18-month warranty is competitive in this category.
Who should buy this ATV battery
Owners of vintage ATVs and motorcycles that need the YB14A-A2 or YTX14AH-BS group size, especially Polaris Sportsman 500/570 and Honda Magna riders who want a modern sealed AGM replacement for an old flooded battery.
Who should skip it
Riders with newer mid-size ATVs that use the YTX14-BS group size, anyone who runs a winch or accessory load, and shoppers who want a long warranty with fast replacement support.
10. ExpertPower YTX7A-BS – Best for Youth Quads and 150cc ATVs
ExpertPower YTX7A-BS 12V 7Ah AGM Motorcycle Battery 180 CCA OEM Fit
12V SLA AGM
180 CCA
7Ah
5.5 lbs
Bolt terminal
Pros
- 180 CCA output
- nearly double typical 7Ah batteries
- Sealed SLA maintenance-free and spill-proof
- Factory-charged and ready to install
- Strong fitment for 50cc to 150cc powersports
Cons
- Verify exact dimensions for your specific vehicle
- 7Ah capacity limits it to smaller engines
The ExpertPower YTX7A-BS is the highest-CCA option we found in the small-engine AGM category, and that matters more than people realize. At 180 CCA in a 7Ah case, it nearly doubles the cranking power of typical 7Ah batteries in the same size class. We tested it on a 150cc Tao Tao ATV that had been struggling with a tired battery, and the engine spun faster on the first crank than any other small battery we had on the bench.
The sealed SLA construction is maintenance-free, mountable in any position, and vibration-resistant, which is exactly what youth quads need. ExpertPower ships the battery factory-charged, so installation is a true plug-and-play job. Buyers consistently mention the combination of power and price as the reason this battery stays at the top of its size class on Amazon.
The tradeoff is the same one every small powersports battery faces: 7Ah of capacity means it is best suited to engines in the 50 to 150 cc range. Riders should also verify the exact dimensions against their battery tray, because small differences in case size can affect fitment in some Honda and Yamaha models.
Who should buy this ATV battery
Parents buying a reliable replacement for a youth quad or 50cc to 150cc ATV, dirt bike riders who want more cranking power than a stock 6Ah battery, and anyone looking for a plug-and-play small-engine AGM with strong reviews.
Who should skip it
Riders with 250 cc or larger engines, anyone who needs cold-weather cranking headroom, and shoppers who want a longer warranty than one year.
ATV Battery Types Explained: Flooded vs AGM vs Lithium
The right ATV battery chemistry depends on how you ride, how often you ride, and how much maintenance you are willing to do. Flooded lead-acid batteries are the most affordable option, AGM batteries are sealed and maintenance-free, and lithium batteries trade a higher upfront price for lighter weight and longer cycle life.
Flooded lead-acid batteries are the original powersports chemistry. They are cheap, they work, and they need periodic water refills and a vent tube. AGM stands for Absorbed Glass Mat, which means the electrolyte is suspended in fiberglass separators, so the battery is sealed, spill-proof, and can be mounted in any position. Lithium batteries, almost always LiFePO4 in this category, are the lightest and longest-lasting option, but they cost more and they do not love sustained sub-freezing cranking.
For most riders, AGM is the best overall balance. It handles vibration well, ships fully charged, and lasts four seasons or more with basic care. Lithium wins for performance builds where weight matters, and flooded wins for tight budgets where upfront cost is the only factor.
What Do the Letters on an ATV Battery Mean? (BS, FA, GEL)
ATV battery model numbers include suffixes that tell you how the battery ships. BS means Bottle Supplied, so the battery ships dry with an acid pack you add yourself before first use. FA means Factory Activated, so the battery arrives sealed, charged, and ready to install. GEL means the electrolyte is suspended in a silica gel rather than fiberglass mat, which gives better vibration resistance but a slightly lower peak cranking output.
Our team prefers FA batteries for convenience, because there is no acid-pack step and no waiting for absorption. BS batteries are a smart pick if you want a fresh cell from the inside, since the electrolyte is added right before install. GEL batteries like the Chrome S Pro iGel are a middle ground that trades a little peak power for stronger vibration resistance, which matters on rougher trails.
ATV Battery Fitment by Model (Honda, Polaris, Yamaha, Can-Am)
The fastest way to find the right ATV battery for your machine is to start with the OEM group size, then match an aftermarket model with equal or higher CCA. Honda Rancher 420 and Foreman 500 models use the YTX14-BS group. Polaris Sportsman 450 and 570 also use the YTX14-BS, while the Sportsman 500 uses the YB14A-A2. Yamaha Grizzly 700 and Kodiak 700 typically use the YTX20L-BS or YTX14-BS depending on trim. Can-Am Outlander 650 and 800 use the YTX20L-BS group.
If you are not sure what your ATV uses, check the existing battery label, your owner’s manual, or a Yuasa cross-reference chart. Most aftermarket brands publish fitment lists that map their batteries to specific make, model, and year combinations, and they are usually accurate within the same model generation.
How to Choose the Best ATV Battery for Your Ride?
Start with group size and CCA, then think about chemistry and warranty. Group size is the physical footprint and terminal layout, so the battery has to physically fit and the terminals have to land in the right spot. CCA, or cold cranking amps, is the short burst of current the battery delivers at zero degrees Fahrenheit, and it should meet or exceed the OEM spec for your engine size.
For most mid-size ATVs from 350 to 700 cc, 200 to 230 CCA is the sweet spot. Big-bore utility quads with winches want 270 CCA or more, and small youth quads run fine on 50 to 100 CCA. Amp hours (Ah) matter for accessory loads and reserve capacity, but for a starting battery they are secondary to CCA.
Chemistry is the next decision. Pick AGM if you want a maintenance-free all-rounder, pick lithium if you want the lightest possible battery and you do not ride in extreme cold, and pick flooded only if you are on a tight budget and you are willing to do the maintenance. Finally, check the warranty length: 12 months is industry standard, 18 to 24 months is competitive, and 36 months or longer is a sign the manufacturer stands behind the build.
How to Swap Your ATV Battery in 15 Minutes?
Swapping an ATV battery is a 15-minute job with basic hand tools. Park the ATV on level ground, turn the ignition off, and locate the battery under the seat or behind a side panel. Disconnect the negative terminal first, then the positive terminal, and remove the hold-down bracket or strap.
Lift the old battery out, set the new battery in the tray, and reconnect the positive terminal first, then the negative terminal. Tighten the terminals to a snug fit without over-torquing the bolts, and reinstall the hold-down bracket. If the battery came with an acid pack (BS models), follow the included activation steps and give the cell a full initial charge before starting the engine.
After installation, turn the ignition on and confirm the lights, winch, and accessories all work. If the battery has a voltage display, check the resting voltage after a few minutes to confirm a healthy charge above 12.6 volts.
ATV Battery Maintenance and Off-Season Storage
A small amount of maintenance doubles the lifespan of any ATV battery. Keep the terminals clean and free of corrosion, check the resting voltage once a month during the riding season, and put the battery on a smart maintainer any time the ATV sits for more than two weeks. For longer storage, our guide to the best RV batteries covers maintainer recommendations that work for powersports too.
Smart maintainers (also called battery tenders) deliver a float charge that keeps the battery topped up without overcharging it. They are especially important for AGM and lithium batteries in cold climates, where self-discharge can pull a partially charged battery below the safe voltage threshold over a long winter. A ten-dollar set of terminal protectors and a quality maintainer is the cheapest insurance you can buy for any battery on this list.
If your ATV battery keeps dying between rides, the most common causes are a parasitic draw from an accessory circuit, a failing stator that is not recharging the battery while you ride, or a sulfated battery that has been left discharged for too long. A simple multimeter test across the battery terminals with the ignition off should show less than 50 milliamps of draw on a healthy machine.
Frequently Asked Questions
What is the best brand of ATV battery?
Yuasa is the OEM gold standard and the brand most riders trust for long-term reliability. For budget-friendly value, Weize and Mighty Max dominate the Amazon best-seller lists. For premium lithium performance, NOCO and Antigravity lead the category.
How many years should an ATV battery last?
A quality AGM ATV battery typically lasts three to five years with regular use and proper off-season storage. Lithium batteries can last eight years or more in the right conditions. Flooded lead-acid batteries usually need replacement every two to three years.
Which is better for an ATV, an AGM or a lithium battery?
AGM is the better choice for most riders because it is maintenance-free, vibration-resistant, and handles cold weather better. Lithium wins for performance builds where weight matters, and it lasts more charge cycles, but it costs more upfront and can struggle in extreme cold.
How many CCA should an ATV battery have?
Most mid-size ATVs from 350 to 700 cc want 200 to 230 CCA. Big-bore utility quads with winches should look for 270 CCA or more. Small youth quads in the 50 to 150 cc range run fine on 50 to 100 CCA.
How can I tell if my ATV battery is bad?
The most common signs are slow cranking, dim headlights at idle, a swollen or leaking case, and a resting voltage below 12.4 volts after a full charge. A load test at an auto parts store confirms whether the battery can hold a charge under demand.
Why does my ATV battery keep dying?
The usual culprits are a parasitic draw from an accessory circuit, a stator that is not recharging the battery while you ride, or a battery that was left discharged long enough to sulfate. Check resting voltage with the ignition off and test for parasitic draw with a multimeter.
What do the letters on ATV batteries mean?
BS means Bottle Supplied, so the battery ships dry with an acid pack. FA means Factory Activated, so it arrives sealed and ready to install. GEL means the electrolyte is suspended in silica gel for better vibration resistance and slightly lower peak cranking output.
Final Verdict: Which ATV Battery Should You Buy?
After three months of testing and side-by-side comparison, the Weize YTX14-BS remains our top pick for the best ATV batteries because it covers the widest range of mid-size ATVs, ships ready to install, and has the deepest review base of any battery in the category. For cold-climate riders, the Mighty Max YTZ14S delivers 230 CCA at a similar price. For winch and accessory-heavy builds, the Yuasa YTX20L-BS is the OEM-grade upgrade worth the activation ritual. For performance and weight savings, the NOCO NLP14 lithium is in a class of its own.
Whatever you choose, pair your new battery with a smart maintainer during the off-season, check the resting voltage once a month, and you will get years of reliable starts out of any of these models. For everything else that keeps your ATV ready to ride, our guides to the best ATV cargo boxes and best ATV winches round out the build.