Battery spot welding electrode holder

This is a holder/handle for the spotweld electrodes of a battery spotwelder. Specifically the ones found on Aliexpress. With this device you can hold both electrodes with one hand.Some things you'll need:Spot welding electrodesSpot welding timing and current control9V AC transformerSpot weld pensThis model is made by Eric van der Aar, and is licensed under CC BY 4.0.