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Battery sparking during removal, still stuck, what to do now?

I was following the Macbook battery replacement guide at MacBook Pro（13英寸，带有Retina显示屏，2013末）电池更换.

(Well maybe not exactly following, because I don’t have adhesive remover or an iOpener heater. And I also unfortunately did not read the part about discharging the battery closely enough before beginning)

The first two segments of the battery I was able to carefully pry up without too much trouble. On the third one it started sparking generated a bright light as I was trying to pull it up. I stopped prying and the sparks settled down and fortunately nothing caught on fire or generated too much smoke. But when I tried again to lift the segment, the same thing happened. I applied some more heat with a hair dryer to make the adhesive as pliable as possible and tried again carefully (outside this time) and started to notice sparking a third time.

That segment of the battery is still glued down, and I’m not sure what the best course of action is at this point. I could order some adhesive remover and wait for that to arrive, but given that there’s also a warning about the flammability of the adhesive remover, maybe it would be unwise to use it close to where I expect that sparks might occur again.

The other thing that I’m considering is that I should attempt to discharge the battery somehow before continuing, but I’m not sure if it is safe for me to reconnect everything and discharge it using the computer. I have read in some places about discharging batteries using a resistor or a light, but I’m confident in that idea either given that the battery connector has a lot of very small pins.

Does anyone have any advice about how I might safely proceed here?

Thanks!

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You can thank Apple for not using a better method to hold the battery in!

Support Right to Repair!

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I think you're really stuck here!

The damaged cell(s) won't allow the battery to discharge properly when you reconnect the system and turn it back on.

Somehow you need to gain access to the discreet cells leads so you can manually discharge them using a load resistor (cutting into the connector and/or wires). The speed of discharge needs to be very slow as you don’t want the battery to heat up.

As you’ve got damages cells the risk of fire is very present no matter what you do!

And of course the followup is deeper damage to your system than the battery!

For now make sure you don’t bring your system inside your home and make sure you place its some where that does not have anything flammable near it (ideally on a cement garage floor/car port which has nothing near it, at least 10 ft. around it, in all directions).

With the damage you can’t use solvents which are flammable which makes this much harder! As any spark can set it or the fumes off. Using heat is also is risky! If you are not careful you can melt the plastic outer shell of the still bonded battery and heat also can cause the damaged cell to react badly!

This leaves us with only one option brut force and doing very quickly once the battery cells are all fully discharged!

Wearing leather gloves nonflammable clothes (long sleeves - no exposed skin), face & hair protection and respirator. You’ll want a CO2 fire extinguisher (not chemical) and a metal bucket with bed of sand and a second bucket which has enough sand to pile on top.

To be clear this is very dangerous! You are taking on a very big risk between loosing your system, your personal safety as well as where you attempt to do this.

Fire and smoke are real risks here.

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Thanks very much for the explanations and clear warnings.

I sensed that I was i bit over my head, and fortunately a shop in town was able to help me out. They removed the motherboard and some other components as a precaution and then were able to get the battery out without any major calamities!

This whole experience has given me a newfound appreciation for manufacturers who make it easy to replace batteries and other items without using strong adhesives. I had replaced some cell phone batteries that had some light adhesive on them in the past, and had expected that the macbook battery would be similar, but the adhesive was quite a bit stronger.

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