my laptops battery got wet and it's not charging anymore what am I suppose to do.
Your battery is designed to retain up to 80% of its original capacity at 400 complete charge cycles. The one-year warranty includes service coverage for a defective battery. If it is out of warranty, Apple offers a battery service. Prices and terms may vary.
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Hi, I have a laptop battery which is suspect. However, I am not sure whether it is a problem with the cells or a problem with the way the laptop is charging the battery. I have opened up the battery. It is organised into three pairs of cells. Each pair is connected in parallel. I don't want to disconnect the cells from the battery circuit board, so I was wondering if I can connect my 18650 battery charger and charge (in place), each pair of batteries in turn?
You can check out the Apple battery replacement price for iPhones, iPads and for Apple Watches visit our repair pages.
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My new laptop was normally used only for several days and then not used for few months and now it's li-ion battery is totally discharged. I have plugged power source even for 12 hours, but unfortunately it is still 0 % :-(. My battery data: 4ICR19/66 L12M4E01 14,88V 41Wh 2800 mAh Is there any way to bring it back to life? Is it possible to self discharge smart battery "to death"? Thanks for your help
Repeat the "pulse" boosting and testing the battery until it will finally be recognized by the charger and you get the green light. Black wire = negative Striped or solid white wire = positive It is very important to not mix the two up. There's a hidden screw under a piece of plastic. You need to pry the plastic off to get at the screw underneath. I used a very thin screwdriver to pry it off. Volts are symbolized by a "V" with one or two straight lines over it on a multimeter so it's that section of the multimeter that you use. The section under the V with the straight line(s). Not the squiggly line. The straight line. Lithium ion batteries need to be "pulse" charged. Which means you hold your wires down for 15 seconds or so, then release them. Then hold them down again. Over and over.
Hi, my old battery is BTP-ARJ1 and it was dead.then i bought new one.but it is not charging more than 2% it says plugged in,not charging.so I replace my old battery's circuit with new one.now the battery is charging but it says "consider replacing battery" same as my old one.is there anything i can do with this.
In order to check whether the reconditioning is functioning, you need to charge the battery. However, do not put the caps back because the charging might cause the electrolyte to overflow. The charging speed should be 12-volt. Leave it on charge for 36 hours or a day.
Taking the Repair mode for a spin using a NOCO GENIUS 5, attempting to recover an old battery. This is a follow-up to my previous review of the NOCO GENIUS charger/tender series.
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i found as a temporary battery i can use a 12 volt and a 6 volt battery wired in series to make 18 volts and then solder it onto my laptops old broken charger cable works great i just had the idea the other day and to charge them i just use a lead acid battery charger i can charge them while it is plugged into the laptop the laptop doesnt care still keeps running and will work for most laptops as 18 volts is pretty standard.
After verifying the voltage, take the old acid from the battery. By using a screwdriver, focus on battery caps. The caps can be between 2 to 6. Remove all caps but before emptying the cells, test them separately in order to know whether the battery has a dead cell. After the cells are empty, take some baking soda and add it in the bucket of old battery acid. This step will neutralize the battery acid.
You will also need to be aware of compliance issues. Unlike other regulated standards, the SMBus allows variations and this can cause problems. The repaired SMBus battery should be checked for compatibility with the charger. Batteries for critical uses, such as heathcare, are typically replaced and not repaired. See also www.sbs-forum.org and www.acpi.info. Please when a laptop battery is replaced and there is no voltage at the outer terminals, but there is at the battery terminal. (1) What are the appropriate steps to take to get this rectified without damaging the BMS.
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Over time, a battery is charged and discharged. It’s these charge and discharge cycles that wear the battery the most. A battery pack is only good for so many cycles. Typical cobalt-based lithium-ion battery packs will last anywhere between 500 to 1200 cycles depending on the configuration and application. This usually comes out to 3 to 5 years in most use cases.