The HP M82220-1C1 is an internal replacement battery that powers compatible HP laptops when they are away from an external supply. It is listed for the HP ZBook Studio 16 G9, G10 and G11, so check the model generation when choosing a replacement.
Its lithium-polymer design has six cells and a rated capacity of 7130 mAh (86 Wh), with an output voltage of 11.58 V. These ratings identify the battery’s capacity and electrical output for checking against the laptop’s requirements.
The MPN identifies this specific battery variant. Its internal format makes it a laptop component for battery replacement, rather than an external power supply.