2 SOK 12V batteries ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size 12V batteries here, not third among SOK's own.
SOK makes 2 current 12V batteries: 1 100 Ah class and 1 large. Prices run from $289 for the SOK 12V 100Ah Clear Case to $749 for the SOK 12V 206Ah Heated. Its best-rated model in each size: the SOK 12V 100Ah Clear Case (#12 of 17 100 Ah class, rated 3.6) and the SOK 12V 206Ah Heated (#6 of 8 large, rated 3.5). Sizes run from 100 to 206 Ah. 1 of them is self-heating.
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.
Amazon $289Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
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.
Amazon $289For 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.
Amazon $749
