A car battery that works fine in September can leave you stranded in January. Cold temperatures expose weakness you didn't ...

Forget the Battery Tester. Buy a Multimeter Instead. I found this “Traveller” brand 100 amp battery tester at the local Tractor Supply farm store. They were having a big sale and it was $17.95 and I ...

Your car’s battery might seem like a “set it and forget it” part, but when it fails, it can leave you stranded, potentially costing you hundreds of dollars in tow fees or a visit to the mechanic to ...

“Saved me from having to purchase a new battery,” said one shopper. As with your personal health care, preventative maintenance goes a long way in ensuring the dependability of your vehicle. A battery ...

The Topdon BT200 Battery and Charging System Tester showed up at exactly the right time. I’ve gotten a couple of sporadic check engine lights from a low-voltage code with no noticeable difficulty ...

The reality is that like almost every component under the hood, a car battery has a finite lifespan and will conk out on you eventually. Weather conditions, corrosion, electrical shorts, charging ...

The importance of calibration for all electronic test equipment. The main reason why such equipment must be regularly calibrated. The pros and cons of self-calibration or using outside services. It’s ...

ZDNET's key takeaways Total battery capacity is only one factor influencing actual device longevity.Lab tests demonstrate how ...

Is the battery empty, or is there something wrong with the device? That’s always a difficult question when your walkman or some other battery-powered device appears to be dead when you switch it on.

You can salvage lithium 18650 cells from all sorts of modern gadgets, from disposable vapes to cordless power tools. The tricky part, other than physically liberating ...

Samsung has reportedly tested a 20,000mAh silicon-carbon battery, but there's bad news if you want a Galaxy phone with this ...

It’s no exaggeration to say that the development of cheap rechargeable lithium-ion batteries has changed the world. Enabling everything from smartphones to electric cars, their ability to pack an ...