Long story short my charger doesn't work anymore so I thought I cut it up, solder it to a USB-A connector and use a normal phone charger to charge it.
Now I'm pretty sure the positive is on the inside and negative on the outside and that I have soldered it correctly, however to be completely...
btw i feel this a good time to remind you guys that sea of thieves was made by rare, who also made DKC1-3 and DK64, alongside banjo kazooie and conker's bad fur day