G-Tech Air Ram Model AR02 Battery Vacuum Cleaner.
Working, battery fully charged to test but you'll need to source your own charger, I need mine for other G-Tech products I still use. Amazon will sell you a suitable charger (27v) for a few pounds.
G-Tech Air Ram Model AR02 Battery Vacuum Cleaner (West Bletchley MK3)
This offer has been gifted to someone and is no longer available.