[RE-wrenches] High End battery

[Jerry Shafer]

Mac
Take a look at these batteries
V2energysystems.com
Jerry

On Mon, Mar 27, 2017 at 2:53 AM, Mac Lewis <maclewis1 at gmail.com> wrote:

> Hi Wrenches,
>
> I've got a customer that has an older off-grid system with a 5 string
> ~2000 Ahr (No I didn't install this) L16 battery bank that is failing.  Its
> a Trace SW 4024 system where the batteries are located in a
> difficult-to-access crawl space where I'm sure they never got watered.
>
> We'd like to have these characteristics:
> 1.  Modular (need to be able to get them to the crawl space)
> 2.  Maintenance free
> 3.  Able to be abused and bounce back
> 4.  Compatible with an Outback MX 60 charge controller (preferably)
> 5.  In case of charge controller failure, we'd like the batteries to be
> able to go over the winter with no charge and not be damaged
> 6.  Need about 30-40 kWh bank size
> 7.  Able to withstand cool temps (operate decently at 45F) withstand near
> freezing temps over winter (with no usage)
> 8.  Price tag isn't a big constraint with these customers
>
> What are some batteries you might recommend?
>
> Thanks in advance
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
>
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