When it comes to Li-Ion batteries, a Smart Charger is the smart way to go. This charger is UL listed and has circuitry to monitor the charge state of the battery and detect when the battery is fully charged, making this a safe way to charge your batteries and maximize their life. This charger is designed specifically for 3.6/3.7V Li-Ion or Li-Poly battery packs with capacities of at least 2200mAh.Specifications Input Voltage: 100-240V AC AC power plug type: USA Current: 0.2A Max input power: 16W Rating frequency:50/60Hz Dimension (L x W x H): 81mm (3.1") x 52mm (2.0") x 30mm (1.2") Weight: 5.2Oz (150 grams) Battery: 3.7V Li-Ion/Polymer Battery with capacity >=2200mAh Protection: Output shorted and overload protection LED Indicator: Red - Charging Green - Fully charged Efficiency: > 70% Operate Temperature: -10°C (14°F) ~ +40°C(104°F) Humidity: 2200mAh Indoor use only! Please avoid water High-voltage inside charger, Do NOT open the cover
