[RE-wrenches] Aquion Batteries

[jerrysgarage01]

DarrylYou might want to look at Blue ion, have a bunch installed and they have been great "Mars Mission Ready" great, had a customer that survived the Fires 2 years ago and all the time with no power these batteries kept up.Jerry


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-------- Original message --------From: Darryl Thayer <darylsolar1 at gmail.com> Date: 1/23/19  2:08 PM  (GMT-08:00) To: offgridsolar at sti.net, newrewrenches <RE-wrenches at lists.re-wrenches.org> Subject: Re: [RE-wrenches] Aquion Batteries 
I have used Simphiphy.  Had a problem  over time nearly 2 years the cells were what appears to be out of balance.  I think i balanced them by setting the charge voltage higher than recomended.  I think the factory has it wrong
On Wed, Jan 23, 2019, 1:39 PM Dave Angelini Offgrid Solar <offgridsolar at sti.net wrote:
 Simplyphi does not have a built in method for Soc. The BMS works well but

the install requires an energy monitor with a shunt. Too much work for me

and my clients. Their batteries are too small at 3.5 kwh or so. If they

changed the size up, and got Soc out to OUtback or Schneider I would use

them.



Dave Angelini Offgrid Solar

"we go where powerlines don't"

http://members.sti.net/offgridsolar/

e-mail  offgridsolar at sti.net

text 209 813 0060



> Awhile back, it was mentioned that missmatched cell voltages could be

> corrected with a 6 volt charger attached to each low layer.  I tried this

> on one and it worked.  I have several stacks that have mostly even

> voltages

> with one cell over charged.  Often 8 to 25 volts.  Some showed the high

> voltage layer when under charge but looked normal when static.  Others had

> the high voltage even when static.  Are these layers just totally

> defective

> or could the voltage be bled off somehow down to the average.  Has anyone

> tried this.  I have three  customers with Aquions that are working well

> and

> staying balanced.  This customer has 24 batteries and 13 show this

> problem.

> Capacity of the bank is very poor.  Customer is ready to call lawyer!  Any

> ideas?

> Tump, yes these include the batteries from Maine but also half of his

> original 12 are showing the same problem.

>

> John Blittersdorf.

> CV Wind Service (and Solar)

> 200 West Road

> N Chittenden, VT 05763

> 802-770-8625

>

>

> PS Also any feedback on the Simpliphi batteries would be appreciated.  I

> have just two systems using these so far.   Both small.  2  48 v and 5

> 24v.

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