It works from the Micro USB interface to 5V/2A input and output 4.2V/1A (1000mAh, others are normally 500mAh and slower than this charger) to charge a Li-ion battery.
When the indicator is red, it means no battery installed in the charger or it charges; when it is green, it means full charged; make sure to put battery in position and contacts with Charger.
The Li-on lamp charger has been featured on charging and discharge protection, short circuit protection, intelligent identification of damaged batteries and reverse polarity protection of batteries.
Portable and convenient design to support global USB charging directly..With current output at 1A, the flashlight charger is at high speed to make charging faster than normal.
The Li-on charger is used for rechargeable batteries, like 18650, 26650, 14500 and etc. for LED flashlights.