18650 battery pack - How to remove (thick) nickel strip? Helpful? Please support me on Patreon: / roelvandepaar With thanks & praise to God, and with thanks to the many people who have made this
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how to remove battery cell from pack nickel strip ebike battery repair 38 subscribers Subscribed 7 606 views 8 months ago this is the safes way i found to remove stripsmore
I can''t remember if they''re soldered or spot welded or riveted to the board inside the controller. I think the contacts are soldered on but the easiest way to repair it would be to spot weld a piece of nickel strip to the existing broken off tab and bend it to shape.
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Yes, I''ve tried to pull manufactured ones apart - they do exactly that. After my initial question I tried it with some nickel strip pulled from the dead battery pack - barely
As you can see, there is quite a bit to the process, a quick rundown of the process remove the cells from their packs, clean off the nickel strip, weed out the bad ones
One thing I tried but my soldering iron too weak/broken, to pre solder the battery as well as nickel, then put the two together,heating nickel from above till they merge. Didn''t work but think it should. And not so hot. Version 2 idea, is to make a spot welder out of an old sla battery such as some guys did on .
because our nominal current for 1 cell is 25 amps i decided to go with 10mm x 1mm size nickel strip. we have 4 cells in parallel so one single strip is capable of carrying 34 amps, can it carry 100 amps from all the 4 cells or do i have to
It''s a 6s1p pack and I''m 3D printing a case for it. I''m spot welding all the series connectors as can be seen in the last photo. My question is, should I use nickel strips to from the series connectors to the BMS? Or should I solder wire to the series connectors and the BMS? This is my first 18650 pack. Max current in the pack will be ~1.5A
Many battery packs can be revived by replacing the individual battery cells. In this article, James gives step-by-step instructions for rebuilding a battery pack for an electric drill by spot welding metal ribbons to the battery
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The nickel strip on the battery packs I have is approx 0.3mm thick and is nickel-coated steel strip. It is welded 4 times per cell per side (2 weld operations, 4 indents from the
After the welds are broken use a soldering iron to remove the nickel strips from the circuit board. The cells are held in with silicone, use a non conductive rod to push them out from the
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Hey guys, what is the best way to remove the nickel strips from harvested 18650s? I''ve been thinking about ripping them off with a pair of pliers. BR x
I''ve looked all over for solutions to removing these nickel tabs for battery pack repair and most of the videos I''ve found use a method of twisting/prying with needle nose which...
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Battery Pack Construction. Nickel strips connect individual cells in battery packs. In battery packs, the quality of solder joints directly affects performance and safety. Apply a small amount of flux to the prepared areas of the nickel strip. Flux helps remove oxides and prevents further oxidation during soldering, ensuring a strong bond.
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The nickel strip on the battery packs I have is approx 0.3mm thick and is nickel-coated steel strip. It is welded 4 times per cell per side (2 weld operations, 4 indents from the spot welding pins). The diameter of the indents is approximately 1mm or perhaps 0.8mm. My current approach: The pliers look like these:
Take side cutters and lift up the edge of the nickel strip. Rotate the side cutters and peel the strip away from the battery. This may take some force but remember to roll the side cutters and the welds will break. On the positive side of the cell only the center is positive. The outside perimeter is still negative.
After the welds are broken use a soldering iron to remove the nickel strips from the circuit board. The cells are held in with silicone, use a non conductive rod to push them out from the negative side. The cells are Moli IBR-18650B and they are rated at 1.5Ah, 25A
When you are connecting the large ground or positive wires to the pack you can try to solder them to the nickel strips on the pack or you can solder them to a scrap of nickel strip and then spot weld that strip to the pack.
They use a large box-cutter type knife and a hammer to cut the existing nickel or nickel-steel strip from the individual cells. This is the kind of knife with snap-off blade segments. You want to use the large style, not the small ones. Place the group of cells flat (horizontally) on your work table.
Cover nearby cells with Kapton tape or electrical tape to prevent accidental shorts. Start by removing the 4 torx screws holding the shell together. Once the screws are removed there is nothing else holding the pack together. Turn the shell upside down and the batteries, battery holder and circuit board will come out as one piece.
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