Genuine BMW Motorrad Motorcycle Battery Trickle Charger Plus 12V 2.5A 230V | eBay
COMPATIBLE WITH BMW I3 BATTERY SAVER BATTERY CHARGER MAINTAINER 6AMP FROM 6V / 12V 63W LEAD, DEEP-CYCLE, AGM, GEL AUTOMATIC FOR CAR MOTORCYCLE SCOOTER QUAD CAMPER : Amazon.co.uk: Automotive