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Need ideas for running 2 Group 27 Batteries on TT

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JoshTT

RVF Newbee
Joined
Oct 22, 2025
Messages
1
Location
East Texas
RV Year
2025
RV Make
Winnebago
RV Model
2326rk
RV Length
27
Fulltimer
No
Hello,

First time posting here. I recently bought a Winnebago 2326rk. It came with one Group 27 Battery. I want to run dual batteries; however, two group 27 batteries will not fit in the tray between the tongue.

Has anyone found any mounts or trays that will allow me to run the 2 bigger batteries? I would hate to have to buy 2 group 24 batteries and waste the 27


Pic is dealer photo, battery actually sits sideways in the tray.
1761186861336.png
 
If you're trying to increase battery storage, you realize how inadequate the factory setup is.

Changing the form factor usually require modification. SO! Here is what I have done past and present.

1. Fabricated using angle iron a frame the 31 series batteries would nest in above the 'a' frame. Not attached to the top, as this weakens the frame. It should be welded to the side, or bolted to the side.

2. Mounted under the kitchen cabinet (front kitchen), moving the weight back a little (AGM or sealed battery only.

3. Mounted 4 AGM31 series batteries in between tandem axles with a floor hatch to access them. In my view this is the best way, avoiding unbalanced conditions.

However I have returned to an under counter configuration for my Northstar blue + carbon lead battery bank as they are taller than a standard form automobile battery. Many here will suggest you take the plunge to lithium! I am not one of them. I know environmentally lead is considerably more environmentally friendly.
 

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