Yea, but at the cost of those plus the size I can pay someone to drive once a year and do it. Although if I were to do it again I think I would just put in bigger conditioned cabinets so I could put whatever I wanted in there.
On Fri, Jan 5, 2018 at 12:04 PM <[email protected]> wrote: > That is what I like about the BC-2000 telemetry module that you can > install on the eltek/valre modular rectifiers. > Scheduled or manual load testing and graphing over the network. You > never have to leave your chair to test all of your batts. > > *From:* Lewis Bergman > *Sent:* Friday, January 5, 2018 11:00 AM > *To:* [email protected] > *Subject:* Re: [AFMUG] Sealed or flooded batteries for DC backup? > AGM still needs an annual check if you want your sites to stay up. We > started a maintenance routine after we got caught with our pants down. We > load tested them once every year and always ended up replacing 4 or 5 > across all the sites. Maybe 50 or so sites or roughly 100 batteries. So > maybe a failure rate of around 5%. Maybe I was just buying crappy AGM but > they weren't cheap. > > On Fri, Jan 5, 2018 at 10:20 AM Christopher Tyler < > [email protected]> wrote: > >> On a side note, most AGM batteries are also DOT approved (at least the >> Northstar brand is), so you can "legally" carry them in your vehicle >> without worrying about hazmat. >> >> -- >> Christopher Tyler >> MTCRE/MTCNA/MTCTCE/MTCWE >> Total Highspeed Internet Services >> 417.851.1107 <(417)%20851-1107> >> >> ----- Original Message ----- >> From: [email protected] >> To: [email protected] >> Sent: Friday, January 5, 2018 10:16:31 AM >> Subject: Re: [AFMUG] Sealed or flooded batteries for DC backup? >> >> AGM are great, unless you are cheap... >> >> From: Jeremy >> Sent: Friday, January 5, 2018 9:07 AM >> To: [email protected] >> Subject: Re: [AFMUG] Sealed or flooded batteries for DC backup? >> >> Gave up flooded years ago. Had a few sites where the APC exploded the >> batteries. Even when that didn't happen, I got tired of the yearly battery >> check and fill at all the sites. When I started my own company I switched >> to AGM and never looked back. They are amazing. Also, we don't use APCs >> anymore except at a couple of large sites where we use the 3000XL, which >> has a much better charging system. >> >> On Fri, Jan 5, 2018 at 6:38 AM, David M <[email protected]> wrote: >> >> there is always an evaporation issue with flooded.. >> >> They have to be maintained on a regular schedule in order to have >> extended life beyond 5 yrs >> >> AGM/GEL expensive but reliable with little maintenance. Give em a good >> home and little venting and get >> >> 7 to 10 with those. >> >> >> >> >> >> On 1/4/2018 3:47 PM, Robert Andrews wrote: >> >> Sounds like a problem with the Charge controller being incorrectly >> set. If this is on-grid, I would lower the voltage the charge controller is >> maintaining and make sure it is set to NOT do any equalize cycles. >> >> Then flooded should be better. Of course if the environment is >> causing evaporation that is a different problem. >> >> I didn't find telecom batteries were worth the expense. So if I >> dumped wet, I would probably go with sealed Marine.. >> >> Best, >> Robert >> >> On 01/04/2018 01:38 PM, TJ Trout wrote: >> >> I have been really liking flooded batteries over the last 10 years >> or so because I am able to service the battery and extend the life but I am >> finding that on sites that I forget to add distilled water at least twice a >> year sometimes the batteries dry out due to the charge controller over >> gassing the batteries. >> >> Right now I'm trying to decide between Walmart deep Cycles, rack >> mount telecom batteries or just sealed RV Marine deep cycle batteries. >> >> What is the best bang-for-the-buck currently considering the life >> span and capacity ? >> >> Thanks >> >> TJ >> >> >> >>
