AD-108 Dual-channel smart car charger Model: UltraFire AD-108Voltage: INPUT1: 100-240V ~ 47-63HZ Input DC: 5-36v 100mA-1000mA Output: DC 4.2v- 450mAWeight : 160 gScope: rechargeable 16340,18650, 14500, 18500, 17670, 17500 battery (3.6V/3.7V) . Light \ dual independent charging circuit . Anti-overcharge protection . Anti-cell flip-protection . Can rechargeable battery or two single charge