Good Sam Club Open Roads Forum: New batteries I have some questions?
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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > New batteries I have some questions?

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KD4UPL

Swoope, VA

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Joined: 03/16/2008

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Posted: 02/18/19 01:45pm Link  |  Quote  |  Print  |  Notify Moderator

If you have a fairly modern inverter/charger it is likely just as capable of properly charging your batteries as any other charger if it is programmed properly. The nice inverter/chargers like Xantrex, Magnum, Outback, etc. have many different voltage and current settings that can be custom programmed to the exact specs your battery needs. If someone did this wrong (like set the voltage too high) you would certainly boil the batteries. I can't imagine a new charger is needed, just proper programming. Do you have a battery temperature sensor? Is it installed correctly?
2/0 cable doesn't sound like overkill to me at all. What is the wattage of your inverter? Assuming it might be 2,000 watts it could pull as much as 200 amps from your batteries under full load. I wouldn't go less than 2/0 if that's the case.

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