Hoover H-GO 700 Replacement Battery 21.9V 4000mAh V850 USB-PD fast charge not working

USB-PD fast charge not working after cell replacement

The BMS trips a protective shutdown before the percentage indicator reaches zero

2V Ni-CD Replacement Battery (N71F)

cell voltage drops below the charger's acceptance window — typically under 2

Hoover H-GO 700 Replacement Battery 21.9V 4000mAh V850 USB-PD fast charge not workingHoover H GO 700 Series 21. 9V Li ion Replacement Battery (2022 0103) This is a 21. 9V 4000mAh lithium ion replacement battery for the Hoover H GO 700 range of cordless stick vacuums. It fits the H GO 700, H GO 700 Extra, H GO 700 Plus, and H GO 700 Pro, among other variants in the same series. OEM part references are 2022 0103 and HRBT722BAT. H GO 700 series compatibility: All H GO 700 variants share the same 21. 9V battery rail, connector pinout, and