12V 100Ah LiFePO4 Battery Group 31 With Built-in 100A BMS, 15000 Deep Cycles ...
$173.99
67% LIGHTER THAN LEAD-ACID: Only 22.5 lbs vs 75+ lbs traditional batteries! Group 31 compatible size (12.96.78.6) fits perfectly in RVs, boats, solar systems, and trolling motors up to 55lbs. Battery Cell Composition: Lithium Ion.