KENTLI CH4-57AU 4 SLOTS PORTS kenlti AA AAA charger with 4 x 1.5V 3000mWh lithium li-polymer li-ion AA rechargeable batter for LED falshlight Digital camera Microphone Intelligent charger for universal lithium-ion batteries Intelligent charging management circuit,battery condition judgment,automatic repairing prefilled It is equipped with intelligent protection IC preventing over current,over voltage,over charge ,overheating and short circuit. suitable for AA and AAA series batteries : independent control circuits ,four-channel with charging 1-4 pieces AA or AAA series batteries. USB interface applied - Via USB output can charge the battery for devices such as mobile,also can be used to input more than 1A(5V)power supply to charge from this port