Universal Battery Charger 12/ 24v

. this product is applicable to the 12v or 24v lead acid batteries,including added-water storage batteries ,starting batteries and maintenance-free batteries. 2. it uses the advanced microcomputer managemental system to multi-protect your batteries. 3. it uses the pulse width modulation(pwm) technology to automatically charge the batteries through a 4-stage charging cycle. 4. guarantee that the batteries won"t damage even if the batteries sulfided, storaged gas,or lost water. specification: