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 > Your search for posts made by 'Itinerant1' found 184 matches.

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RE: What kind of quality lifepo4 do you get for $300 review

No matter what the lfp battery that the end user is using now with all the info out here with certain possible limitations, one being no charging while the "BATTERY CELLS" are at 0c/ 32f temp but still allows use. If the end user designs their system or places their battery in an area that will encounter those conditions with no plan to warm the battery I would think that they will rethink the placement after the first time the system shutdowns. Sometimes Darwin needs a wake up call because Uncle Murphy will impose his law. ;)
Itinerant1 01/17/22 05:32am Tech Issues
RE: What kind of quality lifepo4 do you get for $300 review

I believe some look for problems that don't exist or haven't been solved already.
Itinerant1 01/16/22 02:10pm Tech Issues
RE: What kind of quality lifepo4 do you get for $300 review

Stircrazy said, “if the battery comes with it and it actavates it totaly kills the battery.”…How so?? A quick check over at LifeBlue dispels this notion: http://www.lifebluebattery.com/rv-boat-low-temperature-lithium-ion-batteries/100ah-d-lt-lithium-battery.html Same thing at Renogy: https://www.renogy.com/12v-200ah-lithium-iron-phosphate-battery-w-bluetooth/ 3 tons doesn't dispell it at all. they are just heating the battery befor it ever gets to 0 degrees. what I was talking about was just cutting off charge sources at around 0 (sorry 32 for you guys) and allowing the battery to still be used untill say -20C (not sure what that is in F this early -17 or somthing like that) just running a load like a furnace at that temp should be enought to keep the internal temp of the battery above 0c which would allow charging again. Steve There are dropin batteries out there that allow what I think you're asking, once below 0c/ 32f or what ever the assemblers call low temp charging cutoff BUT STILL ALLOW THE USE OF THE BATTERY TILL THE NEXT LOW TEMP DISCONNECT. This is Battleborn's... Battle Born Batteries protect themselves from charging in cold temperatures and won’t accept a charge once the internal cell temperature drops to 24°F. At this point they will continue to discharge even down to -4°F. At this temperature we recommend no longer pulling power to avoid damaging the batteries. Lifeblue batteries allow the same. Even my Elite GBS Batteries do the same. If any cell drops below 32f it will cut off charging but still allow the discharge use of the battery pack.
Itinerant1 01/16/22 09:11am Tech Issues
RE: What kind of quality lifepo4 do you get for $300 review

Yep, Lots to do about mostly nothing, but as we’ve all learned about the vagaries of human nature, ‘FEAR sells’ - far too many pages of errant uninformed speculations will readily attest to that - lol 3 tons With almost 6 years of everyday use and over 1,800 partial cycles of 35-45%+ DOD at various SOC. I do find amusement in what some post about lfp. It seems the new thing now that pops up more is longevity instead of use staying within the parameters of the batteries. Well, LFP’s are extremely robust…One may choose to incessantly fiddle around to be certain to ‘dial in’ their purported 5,000 cycles, or maybe just enjoy life, overcome the impulse to micromanage and be perfectly content to settle for a mere 4,000 - pick your poison - lol! Yet, I believe simply by not overcharging (or unnecessarily leaving for extended periods on a charger), and doing an occasional cell re-balancing, it shouldn’t be all too difficult to optimize the batts upper limit longevity - JMO 3 tons They are robust for sure. I did adjust my charge after 2 years going from 14.2v to 14.1v which still allows any balancing if needed. On my Magnum settings 10 minutes is the minimum that absorb can be set to but in reality it's 6 minutes which happens at 99% SOC. I hope everyone that takes the plunge into lfp have as good experience as I have been having. It truly has been a set and forget system.
Itinerant1 01/11/22 04:43pm Tech Issues
RE: What kind of quality lifepo4 do you get for $300 review

Yep, Lots to do about mostly nothing, but as we’ve all learned about the vagaries of human nature, ‘FEAR sells’ - far too many pages of errant uninformed speculations will readily attest to that - lol 3 tons With almost 6 years of everyday use and over 1,800 partial cycles of 35-45%+ DOD at various SOC. I do find amusement in what some post about lfp. It seems the new thing now that pops up more is longevity instead of use staying within the parameters of the batteries.
Itinerant1 01/11/22 02:32pm Tech Issues
RE: LiFePo4 vs Lead Acid...Some points of interest.

Wow, they almost look like Lion Energy batteries. I wonder if the price is to good to be true.
Itinerant1 01/07/22 09:24pm Tech Issues
RE: LiFePo4 vs Lead Acid...Some points of interest.

What was this thread about??? JK The superiority of LFP over dead lead and i before e except after c.
Itinerant1 01/06/22 06:49am Tech Issues
RE: LiFePo4 vs Lead Acid...Some points of interest.

Wownowgrammerandpunctuationpoliceareoutitsgoingtobealongwinter :0
Itinerant1 01/06/22 05:14am Tech Issues
RE: LFP Info

That article has been updated a couple times over the years by the author. BFL13, I posted a link to a different article in this thread (LFP vs. Lead Acid) when you were confused so you could understand more of what you were debating thoughout the thread back in April of 2021. Lots of good info there. https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/30225474/srt/pa/pging/1/page/1.cfm ;)
Itinerant1 01/01/22 10:32am Tech Issues
RE: Sizing a battery bank. Ah VS wh?

Pianotuna gave a good link in your other thread to read and learn from. Read this a couple times till you understand the 12v side of life. There is a couple parts. http://www.marxrv.com/12volt/12volt.htm
Itinerant1 01/01/22 09:59am Tech Issues
RE: Sizing a battery bank. Ah VS wh?

With little time and little money. Conservation of power will be needed. 200ah daily is a tall order and you will be carrying a lot of dead lead if you have a reserve of a couple days. No sense beating up that horse again it's been beaten in your other thread. 12v x 100ah= 1,200wh 24v x 50ah= 1,200wh 48v x 25ah= 1,200wh You are confusing yourself now and will most likely using 12v that's in the trailer already.
Itinerant1 01/01/22 09:55am Tech Issues
RE: Amp draw vs battery bank & solar array = totally confused!

One person's waste is another person's living/ enjoyment. ;) Edit: 0700 this morning walking the dogs enjoying a cup of coffee and not a soul around within view of any direction. 35% SOC making second pot of coffee and use the microwave for breakfast. If this is wasteful I'll happily keep lugging around the solar on the roof. https://i.imgur.com/Yk3QzWUl.jpg
Itinerant1 12/30/21 12:01pm Tech Issues
RE: Amp draw vs battery bank & solar array = totally confused!

I don't even worry/ think about the 48ah draw with the lfp's. I could probably make an adjustment within the ME-ARC if it was a issue. The 1,280w solar & 500ah lfp are a pretty good match together. When the day comes and I just need to replace the batteries I'll probably add 100ah more and just about eliminate the generator except for the very rare stretch of bad solar production days, but that might not be for a few more years seeing the batteries aren't showing signs of voltage sag with high draws for long periods of time yet nearing 6 years of daily use.
Itinerant1 12/30/21 10:21am Tech Issues
RE: Amp draw vs battery bank & solar array = totally confused!

Batteries living in the PSOC (bouncing between 25%-95%) using whatever is needed at anytime during this period of time with the daily use of 200-250ah. Decided yesterday to do a full charge using the generator, it was another overcast/ drizzle day and at 1:45pm (47% SOC) with solar production of only 50ah total for the entire day. wow 50AH a day is my daily use in the camper on a cold evening with the furnace running a bit during the day and all night. in the summer I only use about 20 to 25AH. Steve The inverter alone is 48ah daily. Like I said I live like on hookups. December is the roughest month power production/ use with shorter daylight hours, if I can get the nose of the 5th wheel facing the sunrise solar production is usually good throughout the day with little needed help from the generator with an hour charge boost on occasion. This is the 6th winter on the system using it like this.
Itinerant1 12/30/21 08:00am Tech Issues
RE: this is why

Pianotuna with all this talk of extreme cold living at times got me searching yesterday on YouTube videos and came across some... "frozen butt hang" surviving in a hammock in subzero weather on purpose just for fun doesn't sound like fun, almost like being in Canada at -40 in a Class C. More power to you...literally. ;)
Itinerant1 12/29/21 12:21pm Tech Issues
RE: Amp draw vs battery bank & solar array = totally confused!

The OP has mentioned they want to go fulltime and mostly away from hookups. Obviously they are very new to understanding battery power with different draws from items in the trailer, then add solar into the mix and it might be a little more confusing to them during this time of the year with caviar power wants. Having 1,280w of solar might be considered moderate amount by some. Unless you don't mind dragging out the generator and listening to it for long periods of time then there shouldn't be no issues at all. I personally don't like listening to them even mine and it's only eu2200i so it gets run only when necessary and try to use it for the least amount of time. Over the past 40 days boondocking traveling out of CO, UT, NV and AZ now. Shorter daylight hours, overcast and rainy days and one location was no option than pointing the trailer west which is just horrible for my solar production potential. Batteries living in the PSOC (bouncing between 25%-95%) using whatever is needed at anytime during this period of time with the daily use of 200-250ah. Decided yesterday to do a full charge using the generator, it was another overcast/ drizzle day and at 1:45pm (47% SOC) with solar production of only 50ah total for the entire day. The batteries needed 265ah (53%) taking 2 3/4 hours to fill the batteries completely charging to 14.1v at 100a. If the OP can afford them LiFePO4 batteries can have alot of benefits over dead lead. Weight is major factor when living fulltime and traveling. My entire system solar panels, inverter/ charger, solar controller, batteries and misc wiring was 500# total. Just food for thought.
Itinerant1 12/29/21 09:05am Tech Issues
RE: this is why

You can keep that garbage, southern AZ for winter is just fine for roughing it conditions. ;)
Itinerant1 12/27/21 10:45am Tech Issues
RE: Amp draw vs battery bank & solar array = totally confused!

Prepare for long generator run times to care for the batteries if longevity might be a concern. Solar will help but won't do much on cloudy/ rainy days or the shoulder seasons. I fulltime and boondock continously. From my experience living like I'm on hookups using microwave whenever I want, make a couple pots of coffee daily, charge phone/ tablets/ laptops, watch tv/ dvds for hours if we want, have the furnace going and any other appliances in the 5th wheel and inverter on 24/7. With my system (see sig) during spring, summer,late fall we'll average 35% +/- DOD or 175ah daily. Late fall, winter with shorter day light hours for solar DOD goes up to 45% +/- or 225ah daily. Just to give an idea, if you're more of a minimalist or conserve more you can certainly get by on less. ;)
Itinerant1 12/27/21 06:49am Tech Issues
RE: Should I upgrade to a Magnum 3012RV inverter/charger

Are you sure it was 150a+, 125a is max or atleast I ever saw. https://i.imgur.com/Y5RC8Cel.jpg
Itinerant1 12/09/21 06:27pm Tech Issues
RE: Should I upgrade to a Magnum 3012RV inverter/charger

Maybe placement of the unit makes a difference. I've run the microwave drawing near 150a plus my other misc loads nearing 165-175a for 45 minute. This past spring, summer daily running the 15k A/C unit for 3 hours off of solar/ batteries then switching over to the eu2200i for many hours after that. I do leave the top portion of my front compartment open to vent the hot air out from the inverter. My personal experience with 1,883 days of boondocking use has been great with Magnum equipment especially after adding the easy start to the air conditioner. Even charging the batteries is easy with the eu2200i, set the incoming loadshare to 15a and the batteries are charging at 100a. SOC right now is 38% in 3 hours 60% will be replaced in the batteries for 98% SOC maybe tomorrow will be a better solar production day.
Itinerant1 12/09/21 02:39pm Tech Issues
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