-1 old dead laptop battery from laptop repair shop-1 your laptop battery (which you want to repair) some wire & tools like wire cutter etc... and also some electric tape. add tip ask question comment download. step 2: open the old dead battery . use some tools to open the laptop battery without damaging the battery box.. Step 4: reinsert the laptop battery and charge it completely.. step 5: once charged, unplug the power and let the battery drain all the way down.. now repeat steps 4 and 5 at least 4 times: charge all the way to full, then discharge completely. that should be it! unless your battery is leaking acid, you should get some kind of bump in the battery life.. Bu-911: how to repair a laptop battery. find out the challenges and limitations of repairing “smart” batteries. most laptop batteries are smart and consist of the “chemical battery” that is managed by the “digital battery.” a common protocol is the system management bus, better known as smbus..
Avoid discharging your battery past 50 percent. discharging your laptop's battery all the way can cause the battery's life to drop by 30 percent after between 300 and 500 discharges, while discharging to 50 percent requires well over 1000 discharges before the battery will lose a comparable amount of its lifespan.. Often this is as far as you'll need to venture as you have access to all the main components including the hard drive, memory expansion, wireless mini-pci-e module, cooling module and backup battery.. Your problem may lie within the actual power cord or laptop battery itself. if your battery is old and has been discharging faster than usual for a period of time, it may be time to purchase a new one..
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