In this video, I show you how I build 18650 batteries for my FPV Planes! In this video, I make a 3000mah 4 cell battery, with a spot of spot welding!

Heres all the stuff I got, with non-affiliate eBay Links:

S787A+ Spot Welder:
https://www.ebay.co.uk/itm/S787A-Dual...

Samsung 18650 30Q Cells (30a Continuous, 50a Burst:
https://www.ebay.co.uk/itm/GENUINE-Sa...

10 Meters of 8x0.2mm Nickel Strip:
https://www.ebay.co.uk/itm/10M-8x0-2m...