For those who need to replace the lithium battery in the xp deus coil and would like the metal detector to work longer. Some photos of procedure:
These are new batteries with larger capacity - 1000 mAh.
It's size in comparison to standard xp deus battery:
New battery inserted inside the search coil:
Cover is closed:
Also one my friend used DIY change in 9'' search coil also with battery of larger size for longer life during prospecting (60 mm x 18 mm and 9 mm thickness) and it perfectly fit to the battery slot:
If you are from the UK you can buy the battery of standard size for replacement from this seller on eBay
This size is fit both to remote control, headphones and coils.
But this seller ship only inside the United Kingdom.
Other way - choose custom battery larger capacity for example on Aliexpress
. You need search by dimensions
, because almost no one seller note that the battery fit for Xp Deus.