Ray,
The mobile version of the Little Rosie is listed to UL489 and UL1741 so
it can be used in residential applications as well as mobile
applications. The neutral bond switching makes particular sense for
using the Little Rosie with a portable generator, which is appropriate
for a small inverter.
Kent Osterberg
Blue Mountain Solar
On 10/11/2025 12:12 PM, Ray Walters via RE-wrenches wrote:
Maybe I'm missing something, but I just skimmed through the manual,
and it appears the Little RosieM is meant for mobile applications. It
mentions an RE version for off grid, but I can't find that anywhere.
The manual just discusses class T fuses, makes no mention of
breakers. It looks like a cool inverter with a form factor similar to
an old Trace DR, but not really seeing the usual matching Midnite BOS
components we've come to expect. My guess is they're working on all
of that for the RE version, which isn't quite ready.
In the meantime, one of their E panel lites could be used. You'd have
some exposed DC cable though, which seems to be the "IN" thing these
days with many of the latest LiPO4 batteries.......:) Apparently, one
man's code compliance is another man's unnecessary hangup........Also
don't wire the neutral through the switched neutral relay in the
inverter.
Personally, I'd just wait for the RE version and the accompanying BOS
to come out. Maybe a Victron in the meantime? Used Magnum on Flea
Bay? The pickin's are slim for us poor off grid installers these days....
Ray Walters
Remote Solar
On 10/11/2025 9:08 AM, Jeremy Rodriguez via RE-wrenches wrote:
Is the breaker box you mention anywhere on MidNite’s website ?
Jeremy Rodriguez
Solar Installation / Design
All Solar, Inc.
1453 M St.
Penrose Colorado 81240
Sent from Jeremy's iPhone.
On Oct 10, 2025, at 6:49 AM, William Bryce via RE-wrenches
<[email protected]> wrote:
The Little Rosie has a nice breaker box with plenty of room and
options. But, the sheet metal is running behind from the US based
manufacturer.
Hopefully it will be available soon.
On Thu, Oct 9, 2025 at 12:53 PM Nick Lucchese via RE-wrenches
<[email protected]> wrote:
Great, thank you Kent. I didn't realize the AC and DC terminals
needed to be on top, I should have read the manual before
asking. I can now see how the access door would be blocked if
there were also a charge controller mounted on the door. I
thought the Plus models were wider than the Lite but it appears
my assumption was wrong. Seems it could still work if the
controller were mounted off on the side of the chassis but for
now I'll try to come up with a better plan. Lots of mice around
here so I can see how your point of dropping "things" into the
top ventilation slots could really be an issue.
Assuming your generator is large enough are you finding that the
60 amp DC charger is working on a similar ratio as the VFX's 45
amp charger?
I appreciate your feedback!
Nick
On Wed, Oct 8, 2025 at 5:53 PM Kent via RE-wrenches
<[email protected]> wrote:
Nick,
I recently looked into installing a Little Rosie on the door
of an
E-panel lite and decided against it. Just not enough room to
get the
battery cables connected. I ended up with the Little Rosie
mounted
vertically beside an E-panel lite. To tell you the truth I
wasn't happy
with the vertical installation of the little Rosie. Per the
installation
manual you are only allowed to mount it vertically in one
orientation
and that leaves the top of the Little Rosie at risk of
dropping things
into it through the ventilation slots.
Kent Osterberg
Blue Mountain Solar
On 10/8/2025 4:18 PM, Nick Lucchese via RE-wrenches wrote:
> Greetings Wrenches,
>
> Has anyone tried updating an Outback E-panel to
accommodate a Midnite
> Little Rosie yet? I'm still looking for ways to upgrade my
VFX FXR
> systems with 24v inverters without having to buy from the
new owners
> at Outback as well as solve battery communications and
seems like a
> Little Rosie is quite doable. I'm told I can get a blank
door from
> Midnite and appears that there are a few extra inches to
spare
> relating to the LR and E-panel length. Beyond that getting
the AC and
> DC conductors out of the LR through the E-panel door seems
to be the
> only sticking point. Possibly just modifying a 4x4 wireway
gutter
> would work.
>
> Thought perhaps one of you has already attempted this!
Thanks for your
> time, Nick
>
>
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