... 2A 3A 4A Li-ion Battery charger 12.6V 1A with PSE certification 1)input voltage: AC 100-240V 50/60HZ2)range voltage: AC ... 90-264V 47/63HZSafety ApprovalsUL/CUL, PSE, GS, BS, CE, CB, FCC, and EK-MarkProtections1 ... reduce the AC input impact efficiency 3. With short-circuit and overload protection 4. Compact size ,light weight 5. 100%full ...