UltraFire WF-137 Battery Charger
Brand: TrustFire
Model: WF-137
Input:110V-240V 50-60Hz
Output: 4.2 900mAh
Applicable battery: 3.7V Lithium batteries
Battery type:18650
Colour: Silver
Size(mm):124(Length)x41(width)x31(thickness)
Body weight(g):61g (Not include cable & packing)