When breaking down a lithium-ion battery pack, having the right tools for the job is critical. The tools you use to disassemble a lithium-ion battery pack can be the difference between salvaging a bunch of great cells and starting a fire. 5 pack of flush cut pliers. Perfect for removing the nickel strip that is attached to cells when salvaging.
Here's my steps for dealing with an OEM battery pack Pick a non-noticeable place, start by wedging a sharp crafting knife into the seams to create separation. If the battery is held together with mainly clips, use flat head screwdriver to pop the clips open.
Remember, battery packs are made of many cells that are grouped in a specific way. So, if one cell dies, it will bring down the cells that it is immediately attached to. This is bad news for the cells in that group but it's good news for the rest of the battery pack. It generally means that the other cell groups are just fine.
Taking apart a lithium-ion battery pack may appear challenging at first, but with a solid approach and some patience, anyone can do it. It’s super important to understand the connections between battery cells and to recognize the potential risks, like shoulder shorts.
Building a battery pack from individual cells generally requires a degree of dexterity, electrical expertise, and a spot welder. As you can see from the old unwrapped battery pack in Figure 3, the five green cells are neatly connected at the positive and negative contacts via thin, spot-welded nickel strips.
Whatever the main battery pack is electrically connected to, remove it. Remove any circuit boards, regulators, lights, wires, or anything else there is, and get it down to the raw battery pack. Step 2: Mask off the area that you are not working on with Kapton tape or any other easily removable adhesive insulator.