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 ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

The Bluetti AC300 & B300 home backup battery combo can be the first step in developing an expandable off-grid power solution. We've reviewed a lot of power stations, but this is the first time we've ...

If you’ve done work on a computer for any length of time, you’ve likely experienced the horror being in the middle of a project and the power goes sideways - either from a surge or an outage - and ...

When Hurricane Katrina hit back in 2005, I was trapped in New Orleans for days without power. That lesson taught me to always have a backup plan because you never know when you will find yourself in a ...

It's about time to prepare for summer by selecting a home battery or generator that can make sure your air conditioning stays up and running. Batteries and generators provide the same basic service, ...

The right battery capacity (also referred to as sizing) is of the utmost importance when finding a home battery to meet your household's energy needs. But how do you know what size is right for your ...

Now, there’s a Kickstarter for this $1,999 battery that can keep a fridge running for hours. Now, there’s a Kickstarter for this $1,999 battery that can keep a fridge running for hours. is a senior ...

Smartphone battery life in 2025 isn’t just about how many milliamp-hours you can cram into a device anymore. Sure, battery capacity still matters, but the game has changed pretty dramatically. But ...