Useful links to related resources...

Will Prowse - the motherlode of solar battery knowledge

https://www.youtube.com/channel/UCoj6RxIAQq8kmJme-5dnN0Q

Explorist - pro van electrical advice from a pro

https://www.youtube.com/channel/UC6nhezTEpRgsBaQ-nPd-Upw

Everlanders - the overlander's holy grail laced with some magic maker tips

https://www.youtube.com/channel/UC76GYXW3j9z5g3OdW--Sf5g

Technomadia - mobile comms

https://www.youtube.com/channel/UCgMpNBkUc7tTsk_gr06d17g

Humble Road - Sprinter van builds

https://www.youtube.com/channel/UCE9t6igwaLab9Fo05hs0Nsg

Andreas Speiss - the guy with the Swiss accent - raspberry pi and home automation

https://www.youtube.com/channel/UCu7_D0o48KbfhpEohoP7YSQ

The Hook Up - Home Automation ground zero

https://www.youtube.com/channel/UC2gyzKcHbYfqoXA5xbyGXtQ