[RE-wrenches] Midnite Powerflo16 Enclosure Rust Issues

[Jason Szumlanski]

This is encouraging, Nick. Are you saying the rust did not spread, or no
additional rust locations appeared over time?

I just want to give my client an idea of what to expect.


Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208

On Sat, Aug 30, 2025, 1:06 PM Nick Lucchese via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> I noticed it on just the lid screws on one of my outdoor installs back in
> March (northern California). It initially got my attention but seemed very
> isolated and my concerns quickly went away as I recalled that in the last
> 22 years Midnite has never let me down. If something comes of it they'll
> stand behind it just like every other time. A 16 kwh battery with all these
> attributes is a game changer, no problem bringing up the concern with my
> clients and letting them know that the manufacturer and I will stand behind
> it should it go beyond a minor visual blemish. Barely 1/5 the price of my
> favorite Blue Ion, great days for affordable quality solutions to store
> sunshine!
>
> Nick
>
>
> On Thu, Aug 28, 2025 at 4:54 PM Jason Szumlanski via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> We have five PF16 installed outdoors at a home. It has been only 2 weeks
>> and I'm seeing rust forming around some cover screws (both the top cover
>> and front cover). The brackets are also showing some rust spots, and under
>> the rims of the top cover I'm seeing rust spots that look like they are
>> from small metal shavings. We also found minor rust around a prepunched
>> knockout immediately after removing the protective plastic cap.
>>
>> This all happened after they had been mounted outdoors for two weeks, but
>> no conduit had been installed yet and the top covers hadn't even been
>> opened once.
>>
>> Is anyone else seeing these issues? I'm pretty concerned that my customer
>> won't accept this early defect, and I have lots of outdoor installations
>> planned for other customers.
>>
>> P.S. This is not a coastal location (although all of Florida is kind of
>> coastal). Regardless, it's IP65 and should withstand a typical outdoor
>> installation.
>>
>>
>> Jason Szumlanski
>> Florida Solar Design Group
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