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Gadgetman

Charging AGM battgery

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was in my local auto parts store recently and looking at AGM batteries and was told that I would need a special charger to charge them with. Anybody heard of this before? Will my normal 10 amp deep cycle charger do the job ok?

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You may need a new one. The onboard charger I have is a 7 year old Dual Pro. I just checked with the manufacturer and they said it would work OK with all AGMs on the market today. I had a specific question about Cabela's AGMs which have a label on them describing some charger requirements. Try and check with the manufacturer of your charger.

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you will need to trickle charge using 2amp mode only and will take a long time to charge. Hope this helps! grin.gif

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I disagree. A charger with an AGM curve would be ideal, but not absolutely necessary - nor is a 2A charger a necessity.

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What is an "AGM curve" does that mean that my normal charger is good enough or not?

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I have a optima and a cabelas AGM and I am charging them with a 2 bank Guest 20 amp (10 amp per battery) charger. The guest manual says it's safe for sealed batteries. Am I doing something wrong?

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My new smart charger has a selection from wet,gel to agm. I know between gel and wet their is a diffence. I would go with correct chrager for maxium life of battery. The charge cost's as much a battery. I finally laid to rest my 1982 craftsman trickle charger and bought a new one. Good luck!

P.S.

Still have it though!

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You can use your 10 amp deep cycle charger for AGM batteries.

Like shachbash said the smart charger is probably the best option but they cost a lot.

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