TE12100 12.8V 100AH 4S1P Prismatic Good for home solar charging system Life span approx 15 years it saves a lot of money compared to lead acid battery life span approx 3 years Specifications Housing: IP65 ABS case Size: 260*168*209mm BMS: 100A BMS, 260A peak 5S,includes bluetooth Weight: approx. 10kg Terminal: M8 Cycle life: 5000+ Warranty: 5 years BMS temperature protection: Charge Cut-off @ 0 ℃ Charge Cut-off @55℃ Discharge Cut-off @ 65℃ Balance Max. 4 in series/4par