3.7 Discharge Capacity The battery discharge until final >2900mAh discharge voltage 0.8V,at 0.2C mA and measure the capacity 3.8 Leakage Proof The battery shall be stored at No leakage should be 40±2℃ and humidity 80±5%for observed by visual 21 days inspection 4. Discharge Curve discharge to 0.8V 5.