The Battery Tender Junior 6 volt, 1.25 amp high efficiency battery charger is much more than a trickle charger. It has a brain. It's lightweight, compact, and fully automatic; very easy to use, especially in small spaces. It will keep your battery fully charged so that it is ready to go when you are! This unit replaces both the 021-0127 (BT JR 6V, 0.75A) and 021-0144 (BT Plus 6, 1.25A) in the California compliant battery charger market.
These little devices are the secret to battery longevity. I have 4 of them and my lawn tractor battery is 9 years old and still good.
Needed this 6v charger for years...does the job