BLU Studio C Mini D670U C706043200L Aksberry(R) 2000mAh High Capacity Li-ion Mobile Phone Battery Compatible Model: BLU Studio C Mini C706043200L Brand new and high quality battery. Integrated microchip inside prevents overcharging and lengthens battery life. Use the authorized charger only. 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.