Gift Battery Rechargeable- Cylindrical 
This item contain 1 piece battery charger and 2 pieces rechargeable Li-ion Battery
Charger:
    
- Input : AC100-240V, 50/60Hz 500mA Max. 
- Output : 4.2V 1A x 2 
- Could charge 1 battery or 2 batteries at the same time. 
- The charger provide output shortage protection when battery is fully charged 
- Compact and portable design 
Rechargeable Li-ion Battery
    
- Capacity: 2400mAh 
- Voltage output: 3.7V 
- Chemistry: Li-ion 
- Rechargeable Times: Up to 1500 times