Features:100% brand new and high qualityBright: Charging Off: full Blinking: almost full; If the charging current is too large (or the battery capacity is small), it will quickly enter the flashing state, and the charging current should be reduced.Applications:Cellular Telephones;PDA, MP3 Players, MP4 Players;Digital Cameras; Bluetooth Applications; Solar charging; Game Players Notebook; li-on Lithium Battery 18650; Mobile phone;Audio equipment;Portable DevicesThe terminal has good contact performance, ensure stable workingAdopted of high quality electronic components, and precision process, ensure for the durability Specification:Type:1S-2A,1S-1A, 2S-1A, 2S-05A, 3S-1A,3S-05A(Optional)1-Cell(1S) 4.2V Version:Input voltage : DC 4.5V-23V(Recommend DC 5V/6V/9V/12V/15V)Charging voltage : 4.2VCharging current : 1A/2A(Please choose the parameters you need when purchasing)2-Cell(2S) 8.4V Version:Input voltage : DC 10-23V(Recommend DC 12V/14.8V/15V/18V)Charging voltage : 8.4VCharging current : 0.5A/1A(Please choose the parameters you need when purchasing)3-Cell(3S) 12.6V Version: Input voltage : DC 14.8-23V(Recommend DC 14.8V/15V/18V)Charging voltage : 12.6VCharging current : 0.5A/1A(Please choose the parameters you need when purchasing)Led indicator :Bright: Charging Off: full Blinking: almost full; If the charging current is too large (or the battery capacity is small), it will quickly enter the flashing state, and the charging current should be reduced.Operating ambient temperature : -40 to +85Storage temperature : -65 to +125Size : 30 * 15 * 5.5mm / 1.2 * 0.6 * 0.2inWeight: 2.5 g / 0.1 oz(approx.)Package list:1 x Battery Charger module