[RE-wrenches] How much Li battery?

[Mark Frye]

Humm, so maybe a 3kwhr would work for my situation.

On 5/23/2020 10:55 AM, Jerry Shafer wrote:
> Mark
> The smallest battery I have used is the Blue Planet 8 kWhr. its a half 
> stack in there cabinet with a 10.8 k PS-3 inverter system with about 6 
> k on the roof, 8 K is not much but this particular customer only uses 
> this for some low demand power consumption that must operate. It is 
> less expensive to go with 16 kWhrs vs 8 at a cost per watt also
> Jerry
>
> On Sat, May 23, 2020 at 10:37 AM Mark Frye <markf at berkeleysolar.com 
> <mailto:markf at berkeleysolar.com>> wrote:
>
>     In the way back machine I remember being at a product roll out
>     meeting
>     for the brand new Outback FX inverter. I asked the engineer, what was
>     the smallest battery bank that could be connected to the inverter. He
>     said on the fly that probably you would want the battery to
>     "weight" at
>     least as much as the inverter. I thought that was a great answer.
>
>     Fast forward, with a 4000w Outback Radian, AC coupled with 2000w
>     of PV,
>     what is the smallest Li battery I would want for stable operation?
>
>     My loads don't really need more than 40ah of capacity.
>
>     What is the latest best practice on this?
>
>     Thanks.
>
>
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