Jacob, WELL DONE. I have an Acer 15 C910-C451 that was driving me nuts. It would hold a battery charge but only up to 17% then drain fairly rapidly duing use. It didn’t make sense that a battery would have a set of bad cells but that is probably exactly what was the problem. So new battery in hand and a set of tools designed not to harm the case I followed your instructions to the letter. BINGO ! At this moment the unit is charging from a start of 87% it is now at 96% and climbing. Thanks for the detailed pics of the process.