I received the BIOS Update notification to upgrade to F16, BATTERY WAS 100% capacity , 100% percentage: my battery extremely performant all is ok, it can stand for 5 hours ! ( normal because my device is brand new)
After Bios update, and in first boot, i got warning to replace the battery !!
battery dropped to 23% capacity and each time on boot the bios gives warning that I need to replace the battery, my device is only 7 month old from the package battery check in the HP assistante gives me the battery is 11 months old , 35/1000 cycle , 23% capacity.