... technology, 2.Economical and utility 3.Reliable property,recycle, Rechargeable Battery Storage temperature: from -15 celsius degree to 40 celsius ... 1.Keep cool2.Less than 2 hours after fullly discharging,3.Do not take the batteries apart, the electrolyte damages ... 4.Full discharging at the first discharging,subsequently charge the rechargeable battery complete,5.If electrolyte spray on skin,clean it ...