The method of correcting quick battery discharge (after full charging

Some batteries after fully charged..will show battery low after some minutes ..dis problem is mainly occur in china battery due to hot alkassem content of the battery ...if ur battery is having this kind of problem look at what to do to stop it
Procedure
* Bring out the battery from your phone after fully charged
* Clean it with methylated spirit
* Fold it in a polythene bag so that water will not penetrate
* put it in a freezer at 75°c for 48hrs (2 days)
* Bring it out from the freezer and clean with.cloth
* Put it.back into your phone and charged it again the problem will stop