Hp Mu06 Notebook Battery Pinout Configuration -

Have you checked the voltage on Pins 1 & 2? Let me know what you read below.

If you are trying to replace a dead cell, jump-start a locked BMS (Battery Management System), or troubleshoot a "Connected but not charging" error on your HP Pavilion Aero 13, you need the correct pinout for the MU06 battery. Hp Mu06 Notebook Battery Pinout Configuration