Friends in this video i will show you how to repair dead mobile battery..fix dead cell phone battery at home..simple process easy way..the common problem is that suddenly our mobile battery goes. 4 secret ways to revive any dead phone battery. to do this, gently wipe the metal contents of the battery and your mobile phone with a suitable cleaning tool. this also improves recharging efficiency and the battery use duration. fix common screen/display problems.. The battery cell in the video below is a rechargeable lithium-ion cell from a laptop battery pack. since the positive terminal on the cell was not making contact with the internal power source, the entire battery pack became useless. to repair the connection, furu levi soldered a ring shape on the positive end of the cell so that it made contact..

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