Spot welding for microwave oven batteries and NY-D01
I assembled and tested a spot welder for 18650 and 21700 batteries from a microwave transformer and an NY-D01 module.
Ozone:
Voltmeter 528129723
Switch 2129217416
Housing 2153096718
Welding handle 1878244453
Control board 1848172194
WB:
PG16 seals 234638329
14/7 heat shrink 243672465
Rubber feet 524986627
Everything else was bought at a local store. Transformer at a flea market 😊
#spotwelding #contactwelding #18650 #diy