Model: QH-LFP46200168-140AH Casing material for single cell: Aluminum shell Nominal Voltage: 3.2V Capacity: 140AH Internal Resistance: â?¤ 0.8m�© Cut-off Voltage: Charging: 3.65V Discharging: 2.5V Charging Current: 28A (Standard Charging) Max Charge Current: 140A Const. Discharge Current: 140A Max Discharge Current: 280A Dimension: D46*W200*H168 MM Cell Weight: 3.05 KG Working Temperature: Charging: 0â??- 45â?? Discharging: -20â??- 60â?? Storage Temperature: â?¤1month: -20 â?? 45â?? â?¤6month: -20 â?? 35â?? During transportation: 20â?? DOD (Depth Of Discharge): 80% Life Cycle (@0.2C): 5000 times Accessories: Copper bars/ M6 Bolts/ insulation sheets Warranty: 3 Years