We have a potential client for a net metered PV with battery backup system
with a serious interest in using lithium ion storage batteries. I do not
know of any systems that have used these batteries yet. From some quick
calcs I come up with 105 LiFEYPo4 3.2 volt cells. 7 strings of 15 cells for
700
Dave;
The way modern high-performance electric vehicle manufacturers are able
to wrest such awesome performance out of Lithium batteries of any type
is by using extremely sophisticated battery management systems (BMS).
Per-string and per-cell monitoring *and* control is not uncommon, and
temp
your numbers sound to good. My limited to one experiance is $15,000 for 10 kWh
you are talking 33600 kWh for same money. The local people who are putting 5
kWh in to preius cars are $5,000 for 5kWh both of these setups have elaborate
battery managment systems. One of my competors puts 10 kW
I've been following the Li+ for a while, and the word is that the
Chinese made Li+ reliability is not quite there yet. About half of your
EV parts distributors carry them and half don't.
I'm close to trying them on my next EV project, but I can't imagine why
you would try them on a project that
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