Lithium polymer battery charger 1)Vin:100-240Vac 2)Vout: 4.2V,8.4V,12.6V,16.8V 3)Iout ... 5.5x2.1mm9) Ouput over-volatge protection, output short-circuit protection, reverse-battery protection10) Hi-pot test: AC3000V, less than ... 4V li-ion battery pack.13) Compliance with UL,CE,RoHS,EMCWe also provide 3.7V/4.2V, 7.4V/8 ... welcome. CC CV 2 stage Lithium polymer ion battery charger 4.2V 8.4V 12.6V 16.8V 3.7V 7 ...