Yes, 7 or so years ago we ordered a set of 4KS-25PS Surrettes. These are 4V, 2 cells in one poly case. One had a resting voltage of 0.05. Turns out one cell was installed in reverse inside the case. We removed the two cells from their red poly case and wired them up to allow full 24V until a replacement arrived. James Surrette made it right for us, but it was embarrassing for us.

Allan Sindelar
Allan@positiveenergysolar.com
NABCEP Certified Photovoltaic Installer
EE98J Journeyman Electrician
Positive Energy, Inc.
3201 Calle Marie
Santa Fe, New Mexico 87507
505 424-1112
www.positiveenergysolar.com


On 10/19/2010 4:22 PM, Kirpal Khalsa wrote:
Hey All......just wanted to send out a reminder to not take the markings on the terminals of batteries for granted.....we were installing a brand new bank of 2V 2400Ah batteries today and had one battery mis labeled direct from the manufacturer......had the potential to be catastrophic, just so happened that luck was on our side.......I will not be relying on the manufacturer's polarity markings any more.......


--
Sunny Regards,
Kirpal Khalsa
NABCEP Certified Solar PV Installer
Renewable Energy Systems
www.oregonsolarworks.com
541-218-0201 m
541-592-3958 o
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