Polinovel BL Bluetooth lithium battery series is a drop-in replacement for deep cycle lead acid batteries. It features all the advantages of lithium iron phosphate (LiFePO4) technology, delivering more usable energy, lighter weight, longer cycle life, and superior performance. The smart BMS with Bluetooth function ensures you monitor and turn on/off the battery remotely on your phone. This battery series contains 12V, 24V, and 36V models available for a wide range of applications like boat trolling motors, kayaks, sailboats, bass boats, and leisure vehicles like motorhomes, caravans, camper vans, truck campers, etc.