Re: [RE-wrenches] FullRiver battery question

2018-11-29 Thread Ray
Hi Jay, Thanks for that info on AGM behavior.  I've advocated for years that charge controller temp sensors should also be used to sense over temp and shut down or reduce charge current.  Midnite added this feature to their Classic charge controllers. Its a bit hard to find, but you can set t

Re: [RE-wrenches] FullRiver battery question

2018-11-29 Thread jay
Hi All, My 2 cents. I’ve recently had to do some research for someone who had 16 Full River 400/6v melt down. ( 48v bank, 2-3 yrs old). Both banks, all 16 melted. In talking with a battery company expert, what I was given is the following: AGM if not charged correctly, especially if they are

Re: [RE-wrenches] FullRiver battery question

2018-11-29 Thread Starlight Solar Power Systems
Let me confirm what William has shared about Deka/MK 8D AGM batteries; they have a very high failure rate. We saw over 40% fail within 2-3 years of installation. Deka would not own up to the problem and offered no compensation. Fullriver has been the finest AGM we have ever sold. All DC models a

Re: [RE-wrenches] FullRiver battery question

2018-11-29 Thread Jay
Hi Allan, You check Rolls, which has a similar battery. Jay Peltz power. > On Nov 28, 2018, at 10:43 PM, William Miller wrote: > > Allan: > > We have had poor luck with the 8D AGM batteries (MK/Deka). Many of them have > had short life spans along with swelling, heating and even exploding

Re: [RE-wrenches] FullRiver battery question

2018-11-29 Thread William Miller
Allan: We have had poor luck with the 8D AGM batteries (MK/Deka). Many of them have had short life spans along with swelling, heating and even exploding. Your point about the inefficient footprint is right on. I have minimal experience with Full River. I have seen a set fail, but heck, anyone c