Lenmar Battery for Palm M500, M505, and M515 Fits: Lenovo - IBM Workpad c500, c505, Palm M500, M505, M515 Replaces: Lenovo - IBM 8602-10U, Palm UP383562A 3.7V / 850mAh Lithium Polymer 2 Year Warranty Fits Palm M500, M505, M515 3.7V 850mAh Lithium Polymer 2 Year Warranty Warning: This Battery may require Skilled Installer or Special Tools to Replace. For Skilled End Users Only.