What do you do when your Garmin nuvi GPS will no longer hold a charge, and the internal battery doesn't last more than a few minutes? You could just live with it and always use the vehicle power adapter. Or you could send it in to Garmin for repair.
There's another option: It turns out that replacing the internal battery is an easy task that takes just a few minutes to complete. Here's everything you need to know to successfully replace the internal rechargeable battery, complete with step-by-step instruction.
Important Note: This is an easy procedure, but doing so may void your warranty. GPSmagazine.com assumes no liability expressed or implied for any damage to your device.
For full details on how to replace the battery please click this link: http://www.gpsmagazine.com/2010/02/how_to_replace_the_internal_ba.php