Ultrafire W-139 External Battery Charger

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1 - UltraFire WF-139 Charger
Ultrafire W-139 External Battery Charger

UltraFire Universal 18650 External Battery Charger


Dual Bay Lithium Battery Charger 1860 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 specified batteries, others may cause injury or damage to batteries. 



- Dual channel battery bays

- Two independent channels

- CPU controls intermittent pulses charging each channel


- Brand: UltraFire

- Model: WF-139

-Voltage: 3.7V

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



1 X UltraFire Battery Charger

1 X Cable Plus US

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