Best 12V Lithium Batteries With Bluetooth

A tested, self-heating 100Ah battery with app monitoring, for RVs and solar setups that see winter charging. Priced well below most heated batteries.

A cheap, IP65 Bluetooth 100Ah battery for RV, solar and marine use, from one of the larger storage-battery makers. Cold-climate users need a heated model instead.

For boat and RV owners who charge below freezing and want a Group 24 battery with heating and Bluetooth built in. You pay a premium over budget brands for the heater, the app and the longer warranty.

A strong pick for compact 100Ah builds in vans and small boats. It matches the LiTime Xtra-Mini’s size and features for less money.

A low-cost Group 24 lithium battery with a phone app for boats, RVs and small solar setups. Buyers who need 36V or 48V banks, or cold-weather charging, should look elsewhere.

For RVers and boaters who charge in sub-freezing weather. The built-in heater and Bluetooth monitoring justify the premium over the standard model.

A well-documented Group 24 battery with an IP65 clear case, Bluetooth and 4-in-series support, for boats and trolling motors. It costs more than budget brands, but SOK publishes a full spec sheet.

For 12 V RV, van and boat owners who charge in cold weather and want heating and Bluetooth in one sealed battery. Skip it if you need a 24 V or 48 V series bank.

For vans, small boats and builds where space is tight. It packs a full 100Ah, Bluetooth monitoring and cold-charge protection into a Group 22NF case.

For RVs and boats that want a large, heated, Bluetooth-monitored bank in one Group 31 case. It suits cold-weather users who would otherwise wire up three 100Ah batteries.

For off-grid and RV systems that need the most storage per inch. It holds 4 kWh in a compact case with Bluetooth monitoring.

For RV and van owners who camp in freezing weather and want one large, serviceable battery with a long warranty. The heater lets it charge below freezing without damage.