Features:
2-slot independent charging and independent management system, USB DC 5V/2A input.
The defaulted current is 0.5A.
Multiple safety protection functions of over-charging, over-discharge, short-circuited and can automatically Identify broken/defective battery(will not charge bad batteries).
Charging under constant voltage and current.

Specification:
Brand Name: Valefod
Type: Battery Charger
Color: Black
Input: DC 5V 2A
Output: DC 3.7V / 4.20V for Li-Ion
Standby Current: <15mA
Item Size: 11.8 * 6.3 * 3cm / 4.6 * 2.5 * 1.2in
Package Size: 15 * 9 * 3.3cm / 5.9 * 3.5 * 1.3in
Package Weight: 117g / 4.1oz

Package List:
1 * Battery Charger
1 * USB Cable