[RE-wrenches] Adding battery to grid tie

[Tyrone Houck]

Midnite AIO and Sol-Ark both work great for AC coupling in my experience.
If anyone is new to "All In One" inverters I recommend having tech support
walk you through commissioning, check firmware, etc. the first time.




On Sat, Aug 9, 2025, 8:47 AM William Miller via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Two options:
>
> 1. AC couple existing inverter to a battery capable inverter.
>
> 2. Replace existing inverter.
>
> I favor option 2.
>
> Option 1 is only preferred if gaining access to the existing inverter for
> replacement is difficult. An example would be a micro-inverter system.
>
> New AIO inverters allow true high voltage PV input so the existing
> stringing will probably not need to be modified.
>
> I’m new to this so type of upgrade so I welcome any corrections to these
> opinions.  I did replace a Sunny Boy in my shop with a Soul Ark and it’s
> working great!
>
> William Miller
> Miller Solar.com
> 805-438-5600
> www.millersolar.com
>
>
> On Sat, Aug 9, 2025 at 8:26 AM Jay via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> Is there a consensus as to what equipment to use for adding battery
>> backup to normal GT inverter?
>>
>>
>>
>> I’ve had a few people ask and I actually haven’t done it.
>>
>> Thx
>> Jay
>>
>>
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