18650 Portable Battery Charger

Through a variety of certification, the charger output voltage of 4.2V, with a perfect over-current, short circuit protection function.  

Basic parameters:

Output voltage: 4.2V
Output Current: 350 mA
Input voltage :100-240V / 47/63Hz

Suitable for 18650 3.7V batteries

The use of the method:

Red light turns to green when the rechargeable battery voltage reaches 4.16V, however the charger is not entirely stop charging flow to continue, but a small current charge, the maximum ended voltage of 4.21V. The charger with a full range of protection and will not damage the charger.

LED status:

Green light for standby and fully charged
Red light for charging or short circuit !