I bought this just in case I needed it. Used it once just to make sure it worked As good as new, cost £34 from Halfords
Halfords Automatic Battery Charger - used three times
VINTAGE HALFORDS FULLY AUTOMATIC BATTERY CHARGER . used
QDD 84V 3A Charger 72V Li-ion Battery Smart Charger Used for 20S 72V Li-ion Battery High Power with Fan Aluminum Case
QDD 48V Battery Charger 55.2V Lead Acid Charger Used for 48V Lead Acid AGM Gel V
VINTAGE HALFORDS BATTERY CHARGER. 12V & 6V. HI & LOW SETTINGS. WORKING
Halfords Battery Charger 12V or 6V
