DIY replacing the battery in Garmin GPS navigator

Ever wonder how to open up the Garmin GPS navigator's casing, and replace the rechargeable Lithium-ion battery in case it won't charge again?

This is how the Lithium-ion battery in Garmin looks like...

And here is a video showing us in detail how to do it...



Well, the battery in my Garmin Nuvi 255W GPS navigator is still working fine. I just keep this info here for future reference.