Raise you’re hand if you’ve ever soldered directly to a battery even though you know better. We’ve all been there. Sometimes we get away with it when we have a small pack and don’t care about ...

The Hobart Trek 180 is a portable MIG welding that operates off its self-contained battery or 115V power and welds 24-gauge up to 1/4-in. mild steel in a single pass and recharges off an automotive ...

There was a time when every gizmo on AliExpress also had a big white LED so it could also work as a flashlight, but maybe the power bank is the new flashlight. [Aaron Christophel] has a battery spot ...

You may have never thought of it, but a long time ago someone did. It probably happened when a mechanic dropped his wrench across the positive battery terminal and the body metal-ZZZZAP! But can a ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. If we’re lucky enough to survive Armageddon, our precious ...

Custom lithium battery pack maker Alexander Battery Technologies has installed “the world’s most advanced laser welding machine”, it said, at its factory in Peterlee, UK. “The EV Flex laser welder ...

How ultrasonic metal welding meets the demand for increasingly advanced battery technologies. In-depth details of how the ultrasonic metal-welding technology works. How ultrasonic metal welding ...