[Aaron Christophel] has a battery spot welder that costs a not unreasonable 30 euros and can also be used as a novelty power bank. He subjects it to a test and teardown in the video below the break.

Did you ever see a thin metal tab bonded to a battery terminal with little pock marks? That’s the work of a spot welder. Spot welding is one of those processes that doesn’t offer much in the ...

Tools that fall into the former category and go a few steps beyond the average drill or sander are stud and spot welders ... at Harbor Freight during the best times of the year for deals and ...

However, when it comes to small batteries, not all testers are created equal. The best battery tester for small batteries should be easy to use, accurate, and portable. Accuracy is key when it ...

Read more: 5 Of The Best Bug-Busting Gadgets To Keep Pests Out Of Your Home As mentioned, there aren't a ton of options at ...

The Tenergy TN480U eight-bay charger is the best choice ... it stays in one spot [in] an office no one else really comes into,” he said. “It’s been recharging batteries basically once ...

Our picks for the top solar batteries are Tesla Powerwall, SonnenCore+ and Enphase IQ but the best battery for you will depend on your energy needs and preferences. Solar batteries store excess ...

After researching and testing various motorcycle batteries, we’ve identified the top options for riders who want the best performance and reliability. Whether you’re a seasoned rider or a ...

Alkaline batteries are more affordable than lithium batteries and great for use around your house. Here are CNET's picks of the best alkaline batteries. Laboratory Technical Project Manager ...

Gel cell-type batteries like this one are best at delivering relatively low current levels, but for long periods. They do ...

What is the best solar battery overall? We've evaluated many solar batteries over the course of the year, and the Bluetti EP900 Home Battery Backup is CNET's pick for the best solar battery ...

If you still prefer Windows laptops, you’ll definitely want to check out PCWorld’s roundup of the best laptops available ... While the nine hour battery life is considered just average for ...