Cameron Sino Rechargeble Battery for Verizon Elipsis QMV7B Type: Li-ion, Volts: 3.7V, Capacity: 4000mAh / 14.80Wh Dimension: 127.90 x 70.13 x 4.04 mm, Weight: 250g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty