This seems to be a development fork, with outdated data now. Where (or how) did you find this link?
This is the current list.
If charging is the problem, you could try to charge the battery with a universal smartphone battery charger.
For instance, a lot of sellers on eBay still sell a cheapo charger which works for the Fairphone 2 battery, looks like this (just look for it on your region’s eBay or similar platform) …
https://www.ebay.com/itm/374877765945
https://www.ebay.co.uk/itm/334997106432
https://www.ebay.de/itm/404982017129
There are non-cheapo options, too, of course … External universal chargers for Fairphone batteries