Batteries are very expensive.
Couple used car batteries or usb batteries are cheap.
Enough to keep the lights on, a fan or charging a phone. Not to run an AC or dishwasher but enough for the basics.
alt Hacker News
Couple used car batteries or usb batteries are cheap.
Enough to keep the lights on, a fan or charging a phone. Not to run an AC or dishwasher but enough for the basics.