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<p>Lynelle,<br>
I see you've received lots of all-valid comments/advice from
different directions.<br>
Batteries other than lead-acid have various advantages, but not
in price. Lead-acid is still the overwhelming default standard
for PV system storage (even though Tesla & others are trying
to change that, it's early). And yes, AGM batteries handle the
off-gas issue when used with a decent charge controller.</p>
<p> I think mrgoodbeer gives the best advice for you - especially
as a "solar neophyte". Although I have no experience with
microgreen.ca, their system appears to have all the pieces you
need for a good and complete, albeit smallish, system, already
hooked up. <br>
With 2 or 4 batteries, you'll have 600 or 1200 watt-hours on a
full charge draining from 100% to 80%. Double that if draining to
60%, which is about as far as lead-acid is recommended to be
drained.</p>
<p> You can glean much information from the web. One site I find
quite good is batteryuniversity.com/learn/.<br>
I'm an electrical engineer with over 50 years experience. I
live using off-grid systems myself. Choosing economy over
ultimate specs in any sense, I use lead-acid. <br>
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<p>Joe<br>
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