Site Information

 Loading... Please wait...
  • Ultrafire 18650 Charger | UltraFire WF-139 External Battery Charger
  • Ultrafire 18650 Battery Charger
  • UltraFire WF-139 External Battery Charger

UltraFire WF-139 External Battery Charger

Price: $6.49

UltraFire Universal 18650 External Battery Charger

Dual Bay Lithium Battery Charger For 18650 18500 17670 16340 14500

The UltraFire WF-139 battery charger has two independent charging bays. You can independently charge two batteries of unequal discharge at once. Charge only with 14500, 1700, 18500, 17670, or 18650 batteries. Other batteries may cause personal injury and damage.



1. This is the dual-channel standalone battery charger, different from the previous chargers with two parallel charging channels. It has more advantages and extra features.

2. Two battery channels are 100% independent from one another.

3 Dual Independent Battery charging allows for rapid charge time.

4. CPU controls intermittent pulses charging each channel.

Best performance with Alternating High and Low current which charges the batteries quickly until each battery reaches its cut-off voltage then this smart charger function conveniently shuts the charger off automatically!



Brand: UltraFire

Model: WF-139


Input 1: AC 100-240V / 50-60HZ Input 2: DC 12V / 400mA

Output: DC 4.2V / 450mA


1 x UltraFire Battery Charger

1 x Cable plug US

Product Reviews

Write Review

This product hasn't received any reviews yet. Be the first to review this product!