Motorola HW4X SNN5906A 1735 mAh Battery Sealed in Retail Packaging for Motorola Atrix 2 MB865 / Droid Bionic XT875 Model Number: HW4X / SNN5906A Type: Lithium Ion Capacity: 1735 mAh Voltage: 3.8V Compatible Motorola Devices: Motorola Atrix 2 MB865 / Droid Bionic XT875