1. Indicator light lets you know when charging is complete.
2. Designed to charge your batteries quickly and safely.
3. Input Voltage: 110-240V, 47-63Hz
4. Output: 4.2V 600mA
5. Charges 1 or 2 batteries simultaneously
6. Dimensions: 3.34 in x 1.85 in x 1.49 inch
7. Weight: 2.46 oz.
18650 Rechargeable Lithium Battery:
1. Ultrafire 18650 Li-Ion Rechargeable Battery
2. Capacity: 3000mAh.
3. Voltage: 3.7V.
4. Can be used in laser pointer,Torch Flashlights and other electronic products.
5. Over charge and discharge protection.
6. Protection kicks in : 2.75v and 4.2v.
7. Over-Charging / Draining at 4.2v / 2.75v