Li-Ion OEM battery for the Samsung SCH-A930 cell phone provided by AtBatt.com. This standard capacity battery is designed for use with the Samsung SCH-A870, SCH-A930, SCH-A990, SCH-U620, SPH-A420, and SPH-A580 cellular phones. • Chemistry: Li-Ion • Rating: 3.7V 1000mAh • No Memory Effect • Note that a new lithium ion battery's full capacity is only achieved after 2-3 complete charge and discharge cycles. Charge the initial 24-hour battery charge with the Samsung SCH-A870, SCH-A930, SCH-A990, SCH-U620, SPH-A420, SPH-A580 model cell phone turned off. • Warranty: 4 Years