New 2880mAh Battery for Samsung Galaxy Express I437 AT&T - High Quality Battery type: Li-ion; Voltage: 3.7V; Capacity: 2880mAh Package includes : New 2880 mAh Rechargeable Li_ion Battery X 1. Compatible with: Samsung Galaxy Express SGH-I437 ( AT&T ) Accessory only, cell phone not included. High Quality,100% Brand New.