12v set - LiFePO4 Lithium Ion Phosphate - SINOPOLY - 3.2v 100ah - Malaysia Ready Stock 4pcs battery with terminal Link Free BMS 12v 4s 100a come with 6 month warranty this battery is disassemble from ups battery pack Warning - please use BMS (battery management system) for discharging and charging. if not will damage the battery. Deep Cycle Battery Sinopoly LiFePO4 100AH 3.2V Recharge Battery for Telecom station/Electric Vehicle/ Energy Storage system Specification Model: Sinopoly SP-LFP-100AHB Nominal voltage: 3.2V Nominal capacity: 100Ah AC impedance: ≤0.6mΩ Net.weight: 2.85kg Cycle life: ≥2000 times, 80% DOD, capacity rentation≥80% Self-discharge rate: ≤5% Dimension: 255*167*41mm Standard charge current: 0.33C(33A) Max.charge current: 1C(90A) Charge cut-off voltage: 1C(100A) Standard discharge current: 0.33C(33A) Max.continuous discharge current: 3C(300A) Discharge cut-off voltage: 2.5V Peak current: 3C(270A) Charge voltage: 3.65V Discharge cut-off voltage: 2.5V Cycle life: ≥2500 times, 80% DOD Operation temperature: charge at 0-45℃, discharge at -20-55℃, Storage at -10-45℃