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Xringer · 07-19-16, 01:54 PM

Since I use an 800w space heater for my discharge testing, I normally do a test when it's cooler.
Around December. When the forecast for the next day is sunny..

If the voltage stays => 48 volts for an hour or two, I call it good.
Since the bank is getting older, The last December test was only for an hour..
I'm always amazed how cool the inverter stays..

I want to be able to run my pumps until the power comes back on..
It's normally back in less than an hour. If it's not back on,
and my basement is flooding, I'll get out the gas generator while
the bank still has some watt hours left..

07-19-16, 01:54 PM	#13
Xringer Lex Parsimoniae Join Date: Feb 2009 Location: Woburn, MA Posts: 4,918 Thanks: 114 Thanked 250 Times in 230 Posts	Since I use an 800w space heater for my discharge testing, I normally do a test when it's cooler. Around December. When the forecast for the next day is sunny.. If the voltage stays => 48 volts for an hour or two, I call it good. Since the bank is getting older, The last December test was only for an hour.. I'm always amazed how cool the inverter stays.. I want to be able to run my pumps until the power comes back on.. It's normally back in less than an hour. If it's not back on, and my basement is flooding, I'll get out the gas generator while the bank still has some watt hours left.. __________________ My hobby is installing & trying to repair mini-splits EPA 608 Type 1 Technician Certification ~ 5 lbs or less..