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Old 03-05-2017, 11:43 AM   #21
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2015 30' Classic
Pleasanton , California
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No need to worry. The capacity rating on battery chargers has more to do with the worst-case heat sinking capabilities of the charger when used to recharge a battery from a fully depleted condition. You're very close to the rating and your intention is the keep the batteries topped up, so you won't be repeatedly using the charger in it's most demanding mode. If they manual states approximate charge times, connecting the charger to a slightly larger battery might exaggerate these times.
Al, K6IV
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Old 03-05-2017, 01:12 PM   #22
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Much appreciated, Al!
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Old 12-03-2017, 07:00 PM   #23
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I'm using the same setup as the OP (CTEK) to maintain 2 AGM batteries with the coach in "store" mode.

Before I start using this wanted to double check how to hook the CTEK up. I assume I should use attach the CTEK to one pole on different batteries eg "A and B".

A.(Pos)* (Neg)* Battery one

(Pos)* B(Neg)* Battery two
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