LiTime 4 Pack 12V 100Ah RV Lithium Battery, Group 24 Bluetooth LiFePO4 Battery Low-Temp Protection Mini Size Bluetooth 5.0 Perfect for RV, Solar System, Trolling Motors

Bluetooth 5.0, Auto-connection, smart control & monitor battery with LiTime App Low-temp cut-off protection secures your battery in cold weather LiTime's latest BMS provides 20+ protections and warnings EV Grade-A LiFePO4 Cells, 4000+ cycles @100%DOD 1280Wh of high energy, 1280W of large output Power 500A/1S peak discharge current to withstand larger surges Group 24 battery size, 75% the size/200% the energy of a 12V 100Ah Lead-Acid battery Max 20.48kWh expandable energy (Max 4P4S) Best lithium battery for RVs/camping/trolling motors(30~70lb)/solar/off-grid/home storage 10X charging efficiency, 2X runtime time (compared with regular lead-acid batteries) Low TCO (total cost of ownership), only 0.1$/kWh Auto overload recovery protection & Over-current auto-recovery function