Garmin Genuine Forerunner 405, 405cx and 410 Replacement Battery (Pd 3048 Li-ion) PROFESSIONAL INSTALLATION REQUIRED This battery requires specialized soldering tools and knowledge of microelectronics to replace. We highly recommend finding a professional to replace your battery for you. New Original Replacement Battery for Garmin Forerunner 405, 405CX, and 410 GPS Watch Restores original battery performance (more than 8 hours in GPS mode)!