William,
You might also check out the Concorde SunXtender PVX-4050T,
http://www.sunxtender.com/solarbattery.php?id=30. We have never had
a failure, and we have one pair of PVX-2580s in off-grid use since
2000. Also, they're manufactured in SoCal, so freight should be
moderate.
Allan
Allan Sindelar
[email protected]
NABCEP Certified Photovoltaic
Installer
NABCEP Certified Technical Sales Professional
New Mexico EE98J Journeyman Electrician
Positive Energy, Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505 424-1112
www.positiveenergysolar.com
On 6/27/2011 4:33 PM, William Miller wrote:
Colleagues
I need to replace batteries for a customer. They have Trojan L-16
batteries in an infrequently occupied vacation home. Maintenance
has been an issue due to the infrequency in which the customer is
on
site. I think VRLA batteries are indicated.
The enclosure is built for L-16 size batteries so it would be
ideal to
find VRLA batteries the same size. I find that Fullriver and US
Battery offer batteries that meet the size specification. Do any
of
you have experience with these batteries?
I notice that Trojan and MK have abandoned the threaded stud
connections
in favor of flags. This makes sense as we have seen some studs
pull
out. The Fullriver and US Battery have the dual threaded stud /
automotive terminals. Have any of you had similar failures with
the
threaded studs?
Thanks in advance,
William
William Miller
Miller Solar
Voice :805-438-5600
email: [email protected]
http://millersolar.com
License No. C-10-773985
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