Key Technical SpecsChemistry: LiFePO4cap L i cap F e cap P cap O sub 4LiFePO4 (Lithium Iron Phosphate)Nominal Voltage: 25.6 VCapacity: 100 AhEnergy Output: 2.56 kWhCycle Life: 3,000 to 6,000+ cycles (Provides roughly 8 to 15+ years of service depending on your depth of discharge