Offgrid testing in Aotearoa

This group is for people on Aotearoa who have various bits of complimentary experience of running solar panels, 12v systems, LED lighting, powering bikes, fridges, water systems, disposing of waste, etc etc. To discuss getting these systems to run - usually a case of experimentation- is this battery enough for my ipad, what plug do i need, how do i rewire this light etc etc...