LS Accessories BF5X 1500 mAh Battery for Motorola Droid 3 (XT862), Defy (MB525), Bravo (MB520), and Photon 4G (MB855) Battery (BF5X) compatible with Motorola Droid 3 (XT862), Defy (MB525), Bravo (MB520), and Photon 4G (MB855) High quality Lithium Ion battery that charges to its full capacity for over 500 cycles Grade A batteries with Dual IC protection to ensure safety; Battery Voltage: 3.7 Volts Battery Energy Content: 5.55 Watt Hours