to equalize or not, that is zee question [RE-wrenches]

Marco Mangelsdorf marco at pvthawaii.com
Mon Feb 13 18:55:17 PST 2006


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The system: 2 kW grid-tie with a Xantrex SW4048 w/GTI w/ (8) Interstate
L16s.  Assume that the batteries will not be regularly cycled beyond
drifting down in voltage at night since I'm not using any grid power at
night to keep the batteries charged.  That is, only PV power will be used to
charge the batteries with the inverter being in the "sell" mode.

Question: should this battery bank be periodically equalized or is
equalization not really necessary?  If you believe that the batteries should
be equalized, how often?

thanks,

Marco Mangelsdorf
President
ProVision Technologies, Inc.
Electrical Contractor License C-26351
69 Railroad Avenue, Suite A-7
Hilo, Hawaii 96720 USA
(808) 969-3281, fax 934-7462
www.provisiontechnologies.com



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