Battery for INSIGNIA NS-4V17, NS-4V17R, NS-4V17B, NS-2V17, NS2V17R, NS-2V17B (2G, 4G) Capacity: 560mAh / 2.07Wh Type: Li-Polymer Volts: 3.7V Size : 50.50 x 32.50 x 4.00mm Certificated with ISO9001, RoHS & CE;