Description
UltraFire Universal Li-on Battery Charger
The Ultrafire WF-139 Lithium Ion battery charger is among the most affordable intelligent dual bay battery chargers for 18650 batteries.
The UltraFire WF-139 battery charger has two independent charging bays perfect for charging 18650 batteries. Independently charge two 18650 batteries simultaneously.
It incorporates recharging technology and capabilities specifically for 18650 batteries, such as its alternating current that facilitates the perfect charging conditions for maximizing your battery life while quickly and efficiently restoring full charge.
Integrated with intelligent auto shutoff detection and overcharge protection after the batteries reach a full charge, you can rest assured UltraFire battery chargers are safe and help dramatically extend the life of your external batteries.
Ultra-fire WF-139Battery Charger Features:
Dual-channel Li-on battery chargerRapid charge time.Smart CPU controlsAlternating pulse charging
Charging Specifications:
Input: AC 100-240VOutput: 4.2V / 550mA
Optional Car Adapter Available:
DC 12V / 400mA(sold separately)
