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:
Brand: UltraFire
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

Packing content:
1 x UltraFire Charger
1 x Cable plug (US plug)

';