Dave I don't have an aux battery. Over on the Samba forum a post with
pictures shows a 41 battery with the side flanges cut off and the bottom
edge trimmed down. I may try that. The discussion also states a T5 battery
is a better fit and same CCA but I'm not sure of the amp hours.  What main
battery are you using?
Spencer

On Fri, Mar 27, 2026 at 5:55 AM ddbjorkman@verizon.net <
ddbjorkman@verizon.net> wrote:

> Hi Spencer
>
> I know what you mean!!
>
> Are you talking about the house or start battery?
>
> Dave B.
>
> On Thursday, March 26, 2026 at 03:49:23 PM EDT, Spencer Allen <
> soxndubs1951@gmail.com> wrote:
>
>
> I think my 85 westy's battery box shrank (shrunk?) over winter. For years
> I've always had a struggle when dropping the group 41 battery past the
> pos-neg cables and have banged-up the pos cables some but always got the
> battery in with a bit of maneuvering. today no matter what I did that
> battery will not settle into the box. Any tips from those still using the
> lead acid battery?
> Spencer
>