I wager the difference between 1.5 and 2 amps
is inconsequential given that it only comes on when the battery voltage has dropped and then for a relatively short time. I know my 2 amp has kept my battery charged and working for 5 years with about 2-3 months of use per year. A changer and that difference might matter. But a maintainer, I think not. Consider what the alternator puts out....
I can't wait to see 50 degrees again so I can take it out but the next week calls for snow so it remains snug under its cover with my 2 amp plugged in.
Oh, during the spring and summer, my lawn mower battery is plugged in to the same charger. Original battery after 4 years.
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