... without Compensating acid liquidDesign life 5 years for NP,15 years for GMSafety explode defenseSmall resistance,big current dischargeNo ... Returning from deep discharge Maintenance-free,no need for adding solution.Wide range of applicable temperature(-35 ... degree.Small internal resistance,good discharging property for high cureent. Unique formula for small self-discharging,and good restoration property ...