Used but works fine this is only for the plus version the HF4 the batteries look similar but they are different
Hoover HF4 Plus battery Charger..
Hoover HF4 Plus battery Charger
Hoover HF4 PLUS Li-ion Rechargeable Battery - Tested.
Genuine Hoover HF4 Plus Brand New Hoover Tools
HF1NOZ02 Power Nozzle = Hoover HF4 PLUS Anti Twist Vacuum Cleaner HF4P10P
Dust Bin (No Filter) = Hoover HF4 PLUS Anti Twist Vacuum Cleaner HF4P10P
