Pure Nickel or Tinned Copper tabbing strip bus wire buss tab 18650 battery pack

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eBay item number:283963908952

Last updated on Nov 06, 2023 16:17:25 PSTView all revisionsView all revisions

Item specifics

Condition: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...

MPN: Does Not Apply

Brand: Nexmetal

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Pure Nickel Strip -or- Tinned Copper Strip

Are you pulse welding? For fastest assembly of battery packs with a pulse welder, choose Nickel Strip.

Pure nickel tabbing strip is used to weld together lithium battery packs from 18650's or other cells using a pulse welder. It is fast, efficient, and neat. It will work with most 18650 holders like in the picture.

Our nickel strip is superior for 2 reasons:

It is pure nickel, not iron core. This means it will never rust and has the lowest possible resistance that pure nickel can offer. Compared to cheap iron core strips, it is a little more difficult to weld! For example, if using the popular Sunkko welders with the hand wand tool, you may have to double or triple tap the junction, where iron filled strips stick immediately, pure nickel dissipates heat so fast you need higher current to weld it. But it's so worth it.
The strip is Wide and Thick. Since even pure nickel still has much higher resistance than copper bus bar, having the full 8 mm instead of the more typical 6 (or even 4), and the 0.15mm thickness instead of the typical 0.1mm, means superior reliability, conductivity, and heat dissipation. There is absolutely no reason to use a narrower or thinner nickel strip for your cells.

Are you soldering with a soldering iron? Need lowest possible resistance for high current applications? Then choose Tinned Copper busbar.

Tinned copper busbar is used for soldering solar panels or other electronics, including battery packs. The copper bus wire is more pliable compared to the nickel and can carry more current for the same size. You can effectively substitute our 3mm tinned copper strip for the 8mm nickel strip. If you're putting together a battery pack and do not own a pulse welder, you're better off using the copper strip because it is very easy to solder. You can use some flux and solder it directly to your electronics using minimal, if any solder. Since the strip is already coated in tin, it melts when soldering, completing your joint with no mess.

Our tinned copper bus bar comes in two sizes:

3mm wide x 0.2mm thick - very versatile, easy to work with, but thicker than the more common 0.1mm thickness, so it holds its shape nicely and can carry high currents with ease. Suggested maximum current 10 A. Perfect for solar and interconnecting small electronics.
6mm wide x 0.4mm thick - very heavy duty. Perfect for longer runs, interconnecting high discharge battery cells, or main bus line connecting series of solar cells together. Quite rigid and holds its shape. Suggested maximum current, 60 A.

If you order multiple quantities we merge your order and ship one long roll, uncut, so you can procure uncut sections and cut later as you please so there is no waste.

If you need larger quantities or other sizes, just message us.

Specifications - Nickel Strip

Type: Nickel strip
Purity: 3N 99.9
Thickness: 0.15 mm
Width: 8 mm
Length: select from 5 - 100 foot increments
Multiple quantities will ship together (not cut)

Specifications - Tinned Copper Strip

Type: Tinned copper strip
Purity: 3N 99 Cu / Sb (RoHS compliant)
Thickness: 0.2 - 0.4 mm
Width: 3 - 6 mm
Length: select from 5 - 100 foot increments
Multiple quantities will ship together (not cut)

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