UltraFire WF-139 battery charger with two independent charging channels and adjustable compartments. Works with the following batteries 14500 / 17500 / 17670 / 18500 / 18650 / RCR123 3.7 volt rechargeable batteries.
International worldwide power input 100 - 240V
Automatically adjusts power input
Premium quality and extremely durable
Microprocessor-controlled auto-cut-off charging
Low battery temperature rise
Will not charge over-discharged batteries