Features:

1. This is the dual-channel standalone charger， different from the previous charger of two parallel charging channel. It has more advantages and benefits.

2. Two battery channels are independent apartment.

3 Battery charging time of one is the same with to charge two batteries.

4.CPU controls intermittent pulse charging each channel. High current charges the battery a short time， then a small current ， and then High current， circulating as this way， until to the cut-off voltage， the charger shuts off automatically!

Specification:

Model: WF-139

Voltage:3.7V

Input 1: AC 100-240V / 50-60HZ

Input 2: DC 12V / 400mA

Output: DC 4.2V / 450mA

Application: For rechargeable battery 18650(but not for the one with protection board)，14500，18500，17670，17500

While Charging， the red and green lights flash alternately. After fully， green LED stays on.

Color: Black

Net weight: 138g

Package weight: 149g

Original box: NO