2A 1S/2S/3S Synchronous Buck Li-Ion Charger DC 5-23V to 4.2V 8.4V 12.6V Power Supply Module for 3.7V 7.4V 11.1V 18650 Lithium Battery

Description: 1-Cell(1S) 4.2V Version: Input voltage: DC 4.5V-23V(Recommend DC 5V/6V/9V/12V/15V) Charging voltage: 4.2V Charging 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: 8.4V Charging 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: 12.6V Charging 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 +85 Storage temperature: -65 to +125 Size: 30*15*5.5mm Weight: 2g Applications: Cellular Telephones PDA, MP3 Players, MP4 Players Digital Cameras Bluetooth Applications Game Players Notebook li-on Lithium Battery 18650 Mobile phone Solar charging MP3/MP4 player Audio equipment Portable Devices Package includes: 1 x Synchronous Buck Li-Ion battery charger (optional)