1300mAh battery for Fiio EO7K PL503560 1S1P Cameron Sino Brand New and High Quality Replacement Battery for Fiio EO7K PL503560 Type: Li-Polymer, Volts: 3.7V, Capacity: 1300mAh / 4.81Wh Dimension: 60.83 x 34.62 x 5.02 mm, Weight: 60g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty