16.8V 4A Li-ion battery charger 1.UL/CUL, PSE, GS, BS, ... 2.Low price and reliability 3.High efficiency 16.8V 4A Li-ion battery charger1.UL/CUL, PSE, GS, BS, CE ... 2.Low price and reliability 3.High efficiency 16.8V 4A Li-ion battery charger1)input voltage: AC 100-240V 50 ... burning test6. Installed with EMI filter ,minimum wave 16.8V 4A Li-ion battery charger