SLA rechargeable maintenance free storage battery 1.CE,UL 2.Long service life 3.Low self-discharge 4.Use of safety Advantage1.The battery is full of power when it’s out of factory, no need to use liquid charge;2.no memory, no need to discharge battery use, suitable for circuit design;3.by high partition, adsorption and strong;4.there is no flowing liquid (poor liquid), does not leak acid and free ...