Alcatel One Touch M'Pop OT-5020 OT-5020D TLi014A1 Aksberry(R) 1400mAh High Capacity Li-ion Mobile Phone Battery Compatible Model: Alcatel One Touch M'Pop OT-5020 OT-5020D TLi014A1 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.