Nick_Pyner:
You may well be right, but I thought the whole point was to turn the lights on - to the point even that the problem is when they are on....
I wasn't being too serious but, assuming that running a power device off a light circuit is as frowned upon everywhere as it is here, particularly in a renta, a PV charger beats the hell out of calling the electrician and is almost certainly cheaper.
The MKR WIFI 1010 board drains way too much energy to run off battery power, even in WiFi.lowPower mode while not doing anything.
Considering that disabling WiFi entirely would kinda defeat the entire purpose of the board, it seems safe to say that it's not exactly supposed to be battery fed in a real world scenario - apparently it'll always need a proper power line to run for an extended period of time without interruption.
Whats wrong with feeding it from the light circuit?