How to replace a Garmin 520 battery – The BEST DIY way

How to replace a Garmin 520 battery – The BEST DIY way details a safe and successful way of undertaking a strip down and rebuild. There are other ways here on the internet but quite often miss out details or have some potentially harmful methods. After watching enough I decided to have a go to see if it was possible for a fairly inexperienced person to undertake.

All the Tools you need are as follows:
Plastic Opening Tools
Small Phillips head screwdriver
Small flat headed screwdriver
Soldering iron & solder
Permanent marker
Scissors

Parts needed and links to suppliers:
(note, I am not affiliated with any supplier below – these just worked well hence the recommendation)
New battery: (£11.95 (£14.90 inc postage))
https://www.subtel.co.uk/index.php?cl...

1 x 80mm x 80mm 3M double sided sticky pad:
https://www.ebay.co.uk/itm/1142228354...

Other Links
Justech Tool Kit:
https://www.amazon.co.uk/Justech-Prec...

Overall cost for unit and repair (excluding any tools, including postage)
Garmin 520 – eBay auction = £27.70
One Sticky Pad = Pack of 5 for £8.95 = £1.79 each
New Battery = £14.90
Total cost for unit and repair: £44.39