POWERSTAR Sealed Lead Acid Battery for EZIP E Zip Scooter 400 500 650 750 900 12V 15AH PowerStar Brand Batteries 2 Year Warranty L- 5.94 W- 3.84 H- 3.78 F2 PowerStar batteries have an excellent charge acceptance and recovery capability even after deep discharge. Because of the use of Lead Calcium grids alloy, PowerStar SLA battery can be stored long periods of time without recharge.