Lead acid maintenance free rechargeable battery 1.CE,UL 2.Low self-discharge 3.Use of safety 4.High quality China battery manufacturer/4v4ah sealed lead acid battery ApplicationMaintenance free storage battery 4v4ah is used for LED, high beam, portable sprayer and so on.Electrical SpecificationsStorage valve regulated sealed lead acid battery 4v4ah advantage1.The battery is full of power when it’ ...