W hile problems with the power grid aren’t new, electric whole-home backup systems are. Having emergency power on hand is a ...

For this to work you need some type of transfer switch which can automatically patch between incoming line voltage, and the battery backup. He already had one of these switches in place for use ...

the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery, overtaking the Tesla Powerwall. The EP900 system earned high marks for its power, warranty, modular design and ...