Quick view Amazon Fire Phone Battery Amazon Fire Phone Battery Voltage: 3.8 Volts Capacity: 2400mAh Chemistry: Li-Poly - Lithium Polymer Dimensions: L 4.23" x W 1.50" x H 0.157" Replacement for: Amazon58-000068Fire PhoneSD4930UR MSRP: Was: Now: $29.00 Add to Cart Compare