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Old 06-05-2019, 08:45 PM   #3
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TurnerFam's Avatar
Brand: Thor Motor Coach
Model: Palazzo 33.3 34'bunkhouse
State: Alabama
Posts: 1,993
THOR #4735

in essence, since you are doubling the output of a 12v 220amp hour SERIES battery 'bank', when in PARALLEL with another, you are then doubling the amp hours to 440.

Use 400 if that is your only option - it's close enough for hand grenades, horse shoes, and submarines. (...that's a good 'ol saying from another time!)

Series(Positive to Negative) wiring doubles the VOLTS, but thereby decreases the HOURS
Parallel(Positive to Positive) wiring doubles the HOURS, while maintaining the same VOLTS

here's a photo of my house battery bank:
DURACELL GC(GolfCart) 6v 215ah Battery bank...
in Series and Parallel = 12v at 430ah = 215ah usable power for
FLA Flooded Lead Acid batteries
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the Turners
'14 Palazzo 33.3 bunkhouse 34' diesel
KingTailgater2 Dish HD, 100w/5a SOLAR, BlueOx
100,000+mi since '14 - US, Alaska, Canada.... formerly Georgia, then NorthCarolina, now Alabama : )
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