PROGRAMMABLE SPOT WELDER for batteries - EASY. (Spot Welder DIY Easy) 

I show you how to create your own programmable spot welder to obtain perfect welds and to be able to create your 18650 lithium batteries or similar in a simple way, step by step and with a minimum cost, building our own 20mm2 cable.
🛠 Materials:
Nural 21 (cold welding): www.amazon.es/... %BD%C3%95%C3%91&crid=2W2XIE9JVNZSL&keywords=nural+21&qid=1672752790&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sprefix=nural+2021%2Caps%2C102&sr=8-2
Copper terminals: es.aliexpress....
Copper tips: es.aliexpress....
Self-adhesive tape: es.aliexpress....
Timer Module: es.aliexpress....
Cinta Kapton: es.aliexpress.... 0cd62754d951-1&pdp_ext_f=%7B%22sku_id%22%3A%2212000025632344877%22%7D&pdp_npi=2%40dis%21EUR%212.42%211.94%21%21%21%21%21%402100b1a616727532201563413d0736%2112000025632344877%21sea&curPageLogUid=0l3qFTnLdYah&ad_pvid=202301030540201212895830711000000786950_2&ad_pvid=202301030540201212895830711000000786950_2
Isopropyl alcohol (Lubrilimp 0): www.amazon.es/...