Re: [RE-wrenches] Enphase failures

2013-08-03 Thread Mike Nelson
Marco , Haven't seen any M-215 failures (yet) but have had many, many M-190 and M-210 failures. Haven't seen a 250 yet. Michael D Nelson MD Electric & Solar Inc. 707.884.1862 office 707.684.0064 cell Sent from my iPhone On Aug 2, 2013, at 7:29 PM, "Marco Mangelsdorf" wrote: > What are you all

[RE-wrenches] (no subject)

2013-08-03 Thread Mac Lewis
Hello wrenches, I am looking for guidance with charging setpoints for a battery that I don't have experience with. This system was put in by another solar company and this battery bank failed after 1.5 years. He bought these batteries without consulting us, but now we are stuck with them. It is

Re: [RE-wrenches] (no subject)

2013-08-03 Thread Ray Walters
Mac; Is this off grid? The Intimidator is not a high cycle life battery. I've had trouble finding exact ratings, but its probably in the 250 to 300 cycles at 80% DOD. I'd expect 3 years max in an off grid application. Also the Intimidators I've seen are actually AGM, not Gel, but I don'

Re: [RE-wrenches] (no subject)

2013-08-03 Thread Mac Lewis
Ray, Yes, this is an off-grid applications. I think you are right, the battery guy sold him what he had. Pretty pricey battery lesson twice! On Sat, Aug 3, 2013 at 6:42 PM, Ray Walters wrote: > Mac; > > Is this off grid? The Intimidator is not a high cycle life battery. > I've had trouble

Re: [RE-wrenches] (no subject)

2013-08-03 Thread Ray Walters
Just let him know what to expect, and he will respect that latter when it turns out to be true. Does he need sealed batteries? I'd start talking up an industrial grade battery for latter. After all this, he'll be ready for a battery that's going to stay put for awhile. R.Ray Walters CTO, Sol

Re: [RE-wrenches] Sunny Island question

2013-08-03 Thread Jeff Clearwater
Hi Glenn,I believe the answer to your question is that it does support that.The SMA technical report on off-grid supported inverters and issues is found at:http://files.sma.de/dl/7910/SB-OffGrid-TI-US-en-15.pdfBest,JeffGlenn Burt wrote: Did they mention if they support the shifting into/out o