[RE-wrenches] Aquion Batteries

William Miller william at millersolar.com
Wed Mar 8 13:21:38 PST 2017 

Wrenches:



As a caution:  The TL22 inverters have been discontinued.  The TL40s have
some limitations as compared to the TL22s, in my opinion.  You may still
find TL22s on the shelf.



William





[image: Gradient Cap_mini]
Lic 773985
millersolar.com <http://www.millersolar.com/>
805-438-5600



*From:* RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] *On
Behalf Of *Tump
*Sent:* Wednesday, March 08, 2017 1:13 PM
*To:* findsolar at herzfeld.org; RE-wrenches
*Subject:* Re: [RE-wrenches] Aquion Batteries



I have dual Sunny Islands & dual SB 4000TL22US  w/ 20 stack on one and
another site w/ the *Aspen 48M* w/ Schneider. I will say this; cost per amp
hour of storage  sucks w/ the Aquion batteries. Both my client and I feel,
that the batteries, despite there size have very little capacity. The
“30”%DOD, that I have the SIs set to start the Gen set, charges the stacks
OK but one gets better performance from  charging w/slower solar source.
The Aspen48M is ~ 42X28X42” @563 AH of capacity, UnigyII 2000 Ah ~ 42x40x6’
tall. Batteries are defiantly temperature sensitive, operating should be ~
60*. The set up w/ the SMA product, adds additional cost due to the
required  BM200 AND  the Sunny Island Interface Device, and the SM100
unless you are buying theAspen48M which comes pre wired. (*Aspen 48M which
comes thru w/ the sensing module installed).  It is quite helpful, if this
is an off grid install due to the fact that the BM200 needs and when things
go south Aquion can toggle the unit off site and help w/ configuration
& **upgrades,
to be connected to the internet. This install also needs the correct
firmware to be installed on the SI which when  was delivered, the firmware
 would only load into the master then shut down the system. Had
to reconfigure as 2 separate units, load the firm ware and then reconfigure
for 2 phase. *

*I have spoken to the manufacture re/ lack of capacity and was told that
must be my loads…. NOT. *

*I would suggest that despite their hype these are quite expensive and
require quite a bit more of labor IF you are wiring the un sensed stacks.
And there is definitely a learning curve if you are using the SI.*

*My own system and what I prefer to push IS the SMA SI w/ the SMA SBs (make
sure that you get the TL22s as the newest SB is not compatible for “ AC
coupling” in this configuration) w/ the Unigy II/MK line. (same battery)
These have buss bars, stack vertically , the interlocking stacks is perfect
for earthquake locations. AND are totally **recyclable.*

*Pictures  of the SMA install & insights of battery installation available,
contact me off line.  TUMP *



On Mar 8, 2017, at 12:55 PM, Martin Herzfeld <findsolar at herzfeld.org> wrote:



Has anyone worked with them with a Sunny Island?  Space is not an issue for
this client.

Martin Herzfeld, IREC Certified Master Trainer ™ for PV Installation
Professional #IREC 10037
California Solar Contractor License  #00833782  C46, D56, D31, C-7
Solar, Trenching, Pole Installation & Maintenance, Instrumentation

UL Certified PV Installer #17, OSHA 30
OSHA-Authorized Construction Trainer #C0068034
CompTIA Certified Technical Classroom Trainer (CTT+) #T3NSZCNBBKB4QTQG

Registered NABCEP Continuing Education (CE) Provider




On Jul 20, 2016 2:00 PM, "Jerry Shafer" <jerrysgarage01 at gmail.com> wrote:

We had a customer request them but once we found out how many it would
take, he decided on the deka unigee instead. l dont like running my OB's at
such a low voltage as they seem to get hotter due to the higher current.
Some of our other product lines don't even reccomend aquions due to that
low voltage, suggest asking your inverter manufacture too.



On Jul 20, 2016 10:52 AM, "Drake" <drake.chamberlin at redwoodalliance.org>
wrote:

Hello Wrenches,

I have a client who is going to take the plunge and buy a set of Aquion
Batteries. They look pretty good on paper, but I'm not sure how well an
inverter would function at the 40 V minimum. Does anyone have experience to
recommend them or warn against using them?

Thanks,

Drake

Drake Chamberlin





*Athens Electric LLCOH License 44810CO License 3773NABCEP Certified Solar
PV 740-448-7328 <740-448-7328>*http://athens-electric.com/



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