New 2950mAh Extended Slim Replacement Battery for T-Mobile Samsung Galaxy Alpha SM-G850T SmartPhone - High Capacity * Battery type: Li-ion; Voltage: 3.85V; Capacity: 2990mAh * Package includes : New 2990mAh Rechargeable Li_ion Battery X 1. * Compatible with: Samsung Galaxy Alpha SM-G850T T-Mobile * Accessory only, cell phone not included. High Quality,100% Brand New.