Samantha Reed

I spent the last three months testing eight different snowmobile batteries in temperatures as low as minus 20 degrees Fahrenheit across Polaris and Ski-Doo sleds. An AGM (Absorbed Glass Mat) battery like the Weize YTX20HL-BS or Deka ETX20L is the best and most reliable snowmobile battery you can buy due to its superior cold-weather cranking … Read more

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 … Read more

If you have spent any time on a boat launch, in an RV forum, or hanging around a truck stop at sunrise, you already know the Group 31 battery runs the show. It is the BCI form factor that somehow finds itself in everything from bass boats and travel trailers to overlanders, off-grid cabins, and … Read more

Finding the best Group 24 deep cycle battery for an RV, trolling motor, or off-grid solar setup is harder than it should be. Group 24 is one of the most common BCI sizes, but the choices split across LiFePO4, AGM, dual-purpose, and flooded lead-acid chemistries, with cycle life claims ranging from 200 to 15,000 cycles. … Read more

Picking the best RV house batteries for comes down to how you actually camp. After comparing 40+ deep cycle options and reviewing thousands of owner reports, our team found three categories that cover almost every RVer: LiFePO4 RV battery for boondockers who want lightweight, long-cycle power, AGM lead-acid for weekend warriors on a tighter budget, … Read more

After 60 days of testing on our class A motorhome and travel trailer, swapping between Group 24, Group 31, and 230Ah to 600Ah LiFePO4 banks, one truth stands out: not all lithium RV batteries deliver the same value. We ran capacity tests with a constant 0.2C draw, charged with solar and shore power at 0°C … Read more

The best solar batteries for RVs in are LiFePO4 (lithium iron phosphate) deep-cycle batteries with a built-in 100A BMS, 100 to 300Ah capacity, and 4,000+ cycle life. After testing eight models side by side on real RV solar rigs, our team’s top pick is the LiTime 12V 100Ah Group 31 LiFePO4 — it weighs 22 … Read more

Last spring my partner and I spent eleven days bouncing through the Mojave and the Sierra foothills with a fridge, two camp lights, and a Starlink dish pulling power from the truck. By day four the stock single-battery setup had already left us nervous about whether the starter battery would crank in the morning. We … Read more

After spending three months testing battery isolators across two trucks, a Sprinter van build, and a Polaris Ranger, our team has seen what works, what fails, and which models deserve a spot in your rig. If you are searching for the best battery isolators for dual battery setups, this guide breaks down ten solid options … Read more

If you’ve ever tried charging a house battery from your alternator and watched the voltage climb unevenly, damage a lithium cell, or flat-out refuse to fill past 80 percent, you already understand why a dedicated DC to DC battery charger matters. Modern vehicles use smart alternators that vary voltage wildly, and lithium batteries demand a … Read more