Galaxy Note 4 battery :Power Plus Galaxy Note 4 Replacement Battery (4000 mAh) Battery for AT&T, Sprint & T-Mobile Models Power Plus Galaxy Note 4 Replacement Battery (4000 mAh) for AT&T, Sprint & T-Mobile Models Battery Specs. Capacity: 4000mAh. Battery type: Lithium Ion, Voltage: 3.8 Li-ion Polymer. Brand new and high quality; Item as pictures shown Fast shipping from New York