Motorola W385 W490 W510 W315 ROKR Z6M V360 OEM Li-Ion Cell Phone Battery SNN5814A/BT51 High Capacity reliable OEM Lithium-Ion Battery rated at 880 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.