Main Features:
1. 100 percent brand new and high quality Lithium Polymer rechargeable battery
2. It is full capacity and can last work more than 15 hours (3.7V， 4000mAh)
3. Suitable for 7-10 inch tablet PC
4. Built-in protection circuit PCM for prevent over charging or over discharging
5. Light weight， high capacity， and NO memory effect