battery reconditioning lead acid

Waqar my laptop battery habe problem that it drains too fast becouse of it is 4 year old. when i took out the battery cell and chaked the power by multemeter all 6 cells shows 4.9 but it drains too fast and also it charging too fast... i dont what is the problem.cells show perfact voltage.. Battery pack works by putting individual cells in parallel / series. each cell has a nominal voltage / capacity and they are put together to give the whole battery pack it's global voltage / capacity.. I replaced my toshiba battery with new cells but buttery itself doesn't identify new cells. the problem is there is a microchip in battery which has the details of the battery. to reset the battery you have to reset the values on eeprom of battery too..

Replacement apple ibook a1061 battery 10.8v 4400mah silver

Hp 4310s battery [4 cells 2200mah 14.4v]

Ibm l11l6r02 battery [6 cells 4400mah 11.1v]

If you have a laptop that gets really hot, it can damage the battery and cause the shortness in battery life. i have an old sony vaio laptop and i saw a significant increase in laptop battery life when i bought a laptop cooling pad off amazon.. Admit it. come out of denial. you know your laptop that was supercool 2 years ago now gets 15 minutes of battery life. it sucks and we all share the same problem eventually.. Bu-911: how to repair a laptop battery. find out the challenges and limitations of repairing “smart” batteries. i re-celled a laptop battery with 4 cells. after completion, i turned on the laptop but it didn’t power up! the laptop does turn on with ac adapter plugged in, but if i unplug the charger, the laptop shuts down, as if the.