Brand: UltraFire

Model: WF-39

Number of Batteries Included: None

Compatible Battery Type (s) : 18650

Specifications:

• Input1: AC100-240V 50/60Hz
• Iutput 1: DC 12V / 400mA
• Output: DC 4.2V/ 450mA
• Cost effective, high efficiency and reliability
• Built in over voltage, over current and short circuit protection
• Perfect fitting and 100% satisfaction guaranteed! It is very convenient to use with high quality and performance.
• Fit for 18650 14500 18500 17670 17500 rechargeable battery