In this video I’m showing how I’ve built a very simple battery backup circuit for my home alarm system. The circuit charges a 12v lead acid battery and in an event of a power loss, it transfers the ...

EV batteries degrade gradually, not suddenly. Key warning signs include reduced driving range, slower charging, power loss, ...

Earlier this year, a CA family found themselves panicking after discovering their baby trapped inside their Cadillac Lyriq ...

We solve the issue with portable power stations / solar generators like Jackery Explorer or Maxoak Bluetti slow charging or ...

A 2025 Toyota Prius owner has to jump his new hybrid with his 2009 Honda Civic, and he’s not happy. It seems his old Civic does just fine in the Ohio winter, and his Prius fails. Here is what Prius ...

Boston Scientific announced multiple recalls but has said its battery issues were limited. One internal test in 2025 found ...

A Bay Area family’s Cadillac Lyriq EV experiencing a faulty 12-volt battery became a potential safety hazard when its electric doors blocked with an infant inside the vehicle. Reporting this week on ...

Earlier this year, Finnish startup Donut Lab grabbed headlines after claiming it had developed the first production-ready solid-state EV battery capable of charging in about five minutes. The ...

Checking your AirPods battery should be done regularly so you don’t find yourself at a loss without your music, audiobook, or podcasts when your AirPods run out of battery. Did you know there are ...

Without a working car battery, you're unlikely to get very far. It's worth knowing the lifespan of a typical battery so you're not caught dead on the roadside.

An archaic DieHard device has seemingly died hard; is hacking it to resurrect a portion of its original function a worthwhile endeavor?