Feature:- Extra Power Battery Brass Quality Terminal Calcium Plate ABS Plastic Specialized of spray pump Avoid Short Circuiting Battery Terminals Avoid Charging Under Air Tight Condition Avoid Charging in A Sealed Container Risk of Fire, Exposion or Burns Keep Away from Spark & Flame Valve Regulated Sealed Lead Acid Type Rechargeable Battery Constant Voltage Charge Vlotage Regulation Cycle Use: 14.4-195V Standby Use: 13.5-13.8V Max Charging Current: 2.25A