Hi battery doctor, I bought a car battery 38Ah for my Nissan Cube and used for 7 months and there after parcked it after noticing a knockin sound. Later after 4 months, I have attended to the knocking sound but now the battery is not holding the charge. I have just noticed the battery acid is a little below the cells level. Do I need to just add distilled water or follow your dead battery reconditioning process, or if better still, drain the battery and refill with fresh battery acid? Please help and thank you most sincerely in advance.
If you’ve got the courage and the know-how to do it yourself, you can buy a DIY kit, including the battery and all the tools you need. iFixit sells these kits and also provides you with comprehensive video repair guides.
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BatteriRetur, Norway’s main battery collector, feels that there is a growing need for battery repair centers. “Often only one of the modules is defective and not the whole battery”, says Per-Magnus Karlsson from BatteriRetur. “In that case you can change one module and the battery will work again.” A common failure in EV batteries is corrosion on parts that can signal an error to the battery management system, which stops the functioning of the vehicle.
Apple is increasing battery replacement service charges for out-of-warranty devices
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Try the correct position of the battery pack in the plastic shell.
>>>>TO babar hi babar don't worry your laptop is ok. just your battery cells cant save charge chemicaly . I read a paper some where about old batteries. it said put the old batteries into freezer for 24 hour . the problem will fix. I don't test this way myself . if you want do that , put the battery into a plastic packet first. inform me about the result please.>> smbTabatabaei@gmail.com
Is there really a need to pull the battery case apart to do this. Can’t the same be achieved by touching the terminals when it is still fully assembled?!
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I have FP 06 10.8 Volt 47 wh ( 10.8 volt 4100 mAh) hp battery in my laptop. it was not working for long . I have dismantled it . Found 6 cells of 18650 of 3.7 volts each in side it . I want to replace its bed cells. I have 18650 3.7 volt 2200mAh Cells. can the existing cells be replaced with available 2200 mAh cells.
That small dent in your battery pack could be a big problem. What may seem like a superficial blemish on the outside could be a serious problem inside the cell. If a cell is dented enough (it doesn't take much) the positive and negative sides of the cell will connect.
If you’ve got the courage and the know-how to do it yourself, you can buy a DIY kit, including the battery and all the tools you need. iFixit sells these kits and also provides you with comprehensive video repair guides.
You don’t need much space to complete a battery replacement, but you do need proper lighting. Do this job outside in the daytime or in a well-lit area indoors. Disconnect the negative terminal with a small wrench (8mm or 10 mm). Disconnect the positive terminal. Remove the battery holder/clamp and any bolts or screws keeping it in place. Remove the battery from the battery tray (it may be heavier than you expect).
What role can battery repair centres play in extending the life cycle of EV batteries? Find out in this article.
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Replacement: A metal brush (again, not too harsh) is a fine replacement. One can also use a grinding sponge.