To get the best efficiency for my battery backup system I want to make sure that the backup battery is large enough to cope with at least twice the total amp hours required in my calculations. So, in ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Start by making a list of the devices and appliances you need to power and add up the ...

We may receive a commission on purchases made from links. Propane is a non-toxic, colorless, and odorless (although ...