Trustfire Tr-003 18650 18500 16340 4ch Battery Charger Trustfire TR-003 18650 18500 16340 4ch Battery Charger Compatible with 10430, 10440, 14500, 16340 (CR123A)17500, 17670, 18500, 18650 batteries Input AC110v-240v 50-60Hz (World voltage, US Plug installed)/DC12v 2A DC4.2v 4x 500mA output Constant charging current 500mA +/-10%