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HP Notebook PCs - Testing and calibrating the battery (Windows) | HP® Customer Support
Add "Battery Care Function" (battery charge limit to 80%) to... - HP Support Community - 7329598
Calibrate HP battery from BIOS - HP Support Community - 7232734
HP Business Notebooks, Mobile Workstations, and Mobile Thin Clients - HP Introduces HP Battery Health Manager To Help Optimize Battery Health | HP® Customer Support