This charger can charge any 3.7-14.8V Li-Ion/LiPO battery pack with a 1000mAh capacity. It can charge 1-4 Li-Ion battery pack cells or Li-Polymer battery pack cells with a capacity of more than 1000mAh. This smart charger can auto-switch output. The charger will cut off automatically if battery is fully charged. It has a 100V-240V AC input for worldwide power support. It also has constant charging current for faster charging, saving you much more time.