Battery Tender Plus 021-0128, 1.25 Amp Battery Charger is a Smart Charger, it will Fully Charge and Maintain a Battery at Proper Storage Voltage without the Damaging Effects Caused by Trickle Chargers,
Car Charging with a Battery Tender (12 and 6 Volt System) - YouTube
Battery charger maintainer 6/12 Volt (38055) - CENTRE OUTILS PLUS
Battery Tender Plus 021-0128, 1.25 Amp Battery Charger is a Smart Charger, it will Fully Charge and Maintain a Battery at Proper Storage Voltage without the Damaging Effects Caused by Trickle Chargers,