Motorola Droid 2 A955 A855 Milestone Super Extended Monaco Extended High Capacity 3500mAh With Extended Battery Cover High Capacity reliable OEM Lithium-Ion Battery rated at 3500 mAh Expect to Approx. Double Your Talk and Standby Times OEM battery for you to keep as a reliable extra power source handy Advanced lithium-ion technology keeps phone working at optimum performance.