Change the battery cell is not a good choice
When we want to repair our laptop battery, we often see some laptop battery maintenance introduce the change battery cell service. You just spend 30$ or less to repair original laptop battery by change the battery cell. As buy a new original laptop battery may cost you 200 $ or more. It looks great but it is really worth?
It has some risk when changing the original Dell laptop battery cell. The batteries can be changed, it is very simple because the battery inside is just some series and parallel battery packs. But the corresponding protection board can not be replaced.Most of the protection boards are added secret infomation the time in the factory , only can be debugged in Dell laptop battery production plant.
Battery Protection Board are based on the corresponding matching HP HSTNN-LB31 battery packs to debug a good, if the random replacement of batteries while protecting the panel without doing the appropriate debugging shield of protection features may fail, so the risk is relatively large.
Another point, if a single change batteries, then is a bad, because the internal resistance of the old and new HP PM579A batteries do not like the efficiency of the battery pack will drop a lot, but for the life of the new batteries also have a significant impact, and we manufacturers to replace the batteries are replaced all the batteries.
Generally laptop battery life is 1-2 years, so the Compaq EVO N400c Battery in the warranty period, warranty or replacement directly to vendors, it is better to buy a new battery replacement when out of the warranty period. After all, the cell-change battery may damage your expensive laptop.
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