Tenergy Smart Charger for 11.1V Li-ion/LIPO Battery Pack Constant charging current for faster charging, save you much more time. Stabilized output; low ripple. It can charge any 11.1V Li-Ion/LiPO battery pack with capacity &gt; 2000mAh. Only use this charger for battery packs with built-in protection circuit. Never use it for hobby packs (RC, airsoft etc) which are unprotected and are designed to be balance-charged Safety protection:Over Voltage protection, Short Circuit protection, Polarity error protection, and Over power protection. Can NOT be used to charge battery packs without Protection Circuit Board (PCB). The charger turn trickle-off charging mode if battery is full (1/10C) Buy with confidence, your charger includes a 12-month warranty. Input: AC 100-240V 50-60Hz 1.0A Output: DC 12.5~12.75V Charging current: 2,000mA Weight: 15 oz