This video should teach you how to choose the proper number and size of nickel strips. Here's a link to buy pure nickel strips: http://goo.gl/VIrNQq'>http://goo.gl/VIrNQq
Where to buy a cheap spot welder for 18650 cells?
Source 1: https://goo.gl/ECP3kf (usually around $85)
Source 2: https://goo.gl/4a3a4U
Source 3: https://goo.gl/dA3kAS
Other parts that I use for building batteries:
18650 cells (Sanyo GA 3500mAh): https://goo.gl/J6ONJV
18650 cells (another Sanyo GA 3500mAh source): https://goo.gl/f10wHH
18650 cells (Samsung 26F 2600mAh): https://goo.gl/VhpP7T
18650 cells (Panasonic 18650B 3400mAh): https://goo.gl/fvwJZQ
18650 positive insulating washer: https://goo.gl/HBVOuc
Ebike battery cases: https://goo.gl/W2DLmE
Nickel strip: http://goo.gl/VIrNQq'>http://goo.gl/VIrNQq
Spot welder: https://goo.gl/KN3Uaw
BMSs: http://goo.gl/S6gSQx
Silicone wire: http://goo.gl/xmpbKD
Black 18650 cell spacers: http://goo.gl/hQxWF6
Large heat shrink tubing: http://goo.gl/6v1ow9
Small heat shrink tubing: https://goo.gl/OU3Z6u
Foam sheet for protecting battery: http://goo.gl/5e71tE
Kapton tape: https://goo.gl/D6BT57
Chargers: https://goo.gl/js0T0V
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