Quote:
Originally Posted by slantt01
I've been researching doubling up the house battery in my 2017 Thor 23H. Sites I've been to mention having to use batteries of equal strength, recommending replacing the current used battery with two equally new batteries.
Being retired and on a fixed income I watch my cash flow closely. Two new decent batteries would be a sizable investment. Could someone explain the rationale of needing to use batteries of equal strength?
Any info appreciated.
Jim
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Easiest explanation is that the charger makes them both equal.
So if one is old and bad and the other is new and good, the old and bad one will bring down the new and good one.
You can get a 12 volt marine deep cycle battery at Walmart, SAMs, or Costco for about $75-80
If you manage & service them properly, They will last 5yrs or longer.
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