3.8V 2500mAh Rechargeable Li-Polymer Battery for Lenovo Golden Warrior A8 1. Brand new and high quality Li-ion Battery for Lenovo Golden Warrior A8 2. Best replacement for the original battery with comparable standby and talk time 3. The Li-Polymer battery provides excellent continuous power sources to your device 4. Use the authorized charger only 5. If you don't use the battery for a long time, please put it in a dry and cool place and make it full charged once every three months