The Professor reviews (and disassembles) the Power Queen 100Ah 1280wh lfp drop in replacement lithium battery at a best bang ...

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, ...

Over the past few weeks we've looked at the humble digital caliper, a tool that makes measuring easy, if not fun; a vacuum purge and refill kit that helps ensure your cooling system is properly ...

The double-punch of the surprise May derecho and Hurricane Beryl spurred many Houstonians to consider backup power options. Even before this year’s natural disasters, one in four households in the ...

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 ...

We've all been there: The lights go out and the power company sends you a text message. A tree fell on a transmission line or the weather turned severe, and you'll be out of electricity until people ...

Battery technology hasn’t kept pace with advancements in portable electronics, but the race is on to fix this. One revolutionary concept being pursued by a team of researchers in New Zealand involves ...

The EcoFlow Delta is a new battery generator available on Kickstarter with incredible features claimed. Most are true, some are not. Devices like the Delta offer incredible battery storage capacity.