[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.

Conventional glues can have a hard time, making it difficult to bond. Enter [zimitt], and a spot welding solution for joining HDPE with ease. Ok, so ‘spot welding’ might be a little optimistic ...

Luis Suárez’s son, Benja, scores for Inter Miami against Peñarol – the tiny kid is a carbon copy of his father!

"Learn the entire process of creating a powerful DIY super capacitor spot welder for 18650 batteries. The guide covers ...