How do you solder a battery protection board?

After ensuring that the protection board is normal, solder the blue B- wire on the protection board to the total negative B- of the battery pack. The P-line on the protection board is soldered to the negative pole of charge and discharge.

How do I replace a battery pack?

Start spot welding the new battery pack and get it to resemble as much of this as possible. Carefully separate the old battery from the housing and start peeling away tape. Remember to separate the thermal probe!! If your BMS belongs to the evil ones, have the old and replacement packs charged up to roughly the same level.

How do I Fix an OEM battery pack?

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.

How do I re-wire a car battery?

If it's connected with a thru hole wire, it's the easiest - just pick a sufficiently long wire and double up the wiring from the bottom of the thru hole to another place on the battery that has the same polarity. This way you can disconnect the original wire from the battery end and reuse the wire.

How important is safety when rebuilding a battery pack?

Pics are linked at the bottom of the post. Of course, safety is extremely important when you're rebuilding such battery packs and use it normally and forget about it. On my later rebuilds I mimic basically all wirings as out of the factory to keep them as safe as they were out of the factory.

How do you solder a battery?

Soldering and wiring 1. The B0 of the cable is soldered to the B0 position of the battery. 2. The cable B1 is soldered to the B1 position of the battery. 5. The cable B4 is soldered to the B4 position of the battery. Ⅳ. Voltage Detection