Product Description: Safety and economical Each custom lithium battery pack has built in PCM protection board from over-discharge, over-charge, short circuit etc.... LiFePO4 battery is environmentally friendly, which will not destroy the ecological environment, also has no memory effects. Excellent discharge characteristics Have low internal resistance and high flat voltage characteristics during strong current discharge, which ensures a wider application field. Long cycle life Provide long storage life with few limiting conditions. It offers problem-free charge after long storage, permitting to use in a wide range of applications. Rated Capacity 300Ah Nominal Voltage 12.8V Max Charge Voltage 14.6V Discharge Cut Off Voltage 10V Charging Current 100A Max. Continuous Discharging Current 200A Cycle Life ≥2000 cycles Discharge Rate ≤3% Dimensions (T*W*H) 520*269*220mm Weight 31Kg Operating Temperature Charging: 0~45°C/Discharging:-20 ~60°C Storage Temperature -20 ~ 60°C Humidity 5% to 95% relative humidity Protection functions Overcharge, over discharge, over current, short circuit, temperature.