Motorola Q9C OEM Motorola SNN5759 / BT90 Extended OEM Li-Ion Cell Phone Battery (1800 mAh) with Green Battery Door High Capacity reliable OEM Lithium-Ion Battery rated at 1800 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.