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Greetings all!
I was about to purchase a battery tender from Northern Tools for the two cars parked in my garage, but first wondered what everyone had to say about what amperage is best. My plan was to buy one unit and plug one car in the first week, then the other the following week, and so on. I figured that I would go with a 2 amp unit, which is also the lowest setting on my old battery charger. What's good for a trickle charger should be good for a tender, right? However, Northern Tools' 2 amp unit (as well as their 4 and 6 amp) cost $100 whereas their 1 amp unit cost only $45.
So my question is whether people think that a 1 amp unit is sufficient to maintain an automotive battery, or is there a minimum amperage that would be better suited. After all, at $45, I could purchase two 1 amp units and keep both car batteries plugged in all the time instead of swapping one tender back and forth.
Thanks in advance,
Tony Fontaine
I was about to purchase a battery tender from Northern Tools for the two cars parked in my garage, but first wondered what everyone had to say about what amperage is best. My plan was to buy one unit and plug one car in the first week, then the other the following week, and so on. I figured that I would go with a 2 amp unit, which is also the lowest setting on my old battery charger. What's good for a trickle charger should be good for a tender, right? However, Northern Tools' 2 amp unit (as well as their 4 and 6 amp) cost $100 whereas their 1 amp unit cost only $45.
So my question is whether people think that a 1 amp unit is sufficient to maintain an automotive battery, or is there a minimum amperage that would be better suited. After all, at $45, I could purchase two 1 amp units and keep both car batteries plugged in all the time instead of swapping one tender back and forth.
Thanks in advance,
Tony Fontaine
