Yongerwy HS04 Laptop Battery Replacement for HP Pavilion 240 245 250 255 256 G4 15-AC100 15-BA000 15-AC121DX 15-AF131DX 15-BA009DX 15-BA079DX HS03 807612-421 TPN-I119 TPN-C126 HSTNN-LB6V 807611-421

[Music] here I will show you how to repair your laptop battery for very cheap at home the laptop batteries consists of lithium cell when you see your laptop is charged fully but does not last even half an hour or less which means the cells inside the battery are dead use some tools to open the laptop battery without damaging the battery box because the box will be used later [Music] open the laptop battery case carefully [Music] [Music] [Music] there are four cells inside the laptop battery take out your multimeter and check the voltage generally 3 point 6 or above volt batteries are good below this voltage are the bad ones [Music] this cell are showing 1.89 bolt that means it's damaged cell on the laptop battery this cell are showing three point seven volt that means it's good cell [Music] it also good [Music] we have to replace the damaged cell by another good cell [Music] [Music] thr