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StephenH View Drop Down
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Post Options Post Options   Quote StephenH Quote  Post ReplyReply Direct Link To This Post Topic: Batteries
    Posted: 11 Aug 2023 at 9:44pm
Some of them do have the ability to warm themselves. They use some of the battery's power to run a small heating plate. Mine has this specified in the manual.
StephenH
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Post Options Post Options   Quote mjlrpod Quote  Post ReplyReply Direct Link To This Post Posted: 11 Aug 2023 at 2:54pm
Originally posted by StephenH

You will need to have it in a somewhat controlled environment as I don't see anything about self-heating.

Self heating?? I did not know there was such a thing. I did hear that lithium batteries should not be charged in below freezing temps, so I thought that they have to be removed in the winter. Is that not true? Would you have a recommendation? I mainly picked this cause I saw good reviews, and the additional 30 Ah over a 200 ah. 

This was my review search 
https://www.bestproductsreviews.com/lifepo4-lithium-batteries?targetid=dsa-19959388920&matchtype=&device=c&campaignid=14938899091&creative=552785546059&adgroupid=131352087307&feeditemid=&loc_physical_ms=9001778&loc_interest_ms=&network=g&devicemodel=&placement=&keyword=$&target=&aceid=&adposition=&trackid=us_all_top_1_1&mId=407-132-4411&trackOld=true&gclid=Cj0KCQjwuNemBhCBARIsADp74QSj0Tb0ZmwTm4Rjt6tjRtl8U0OGFMmU3rkihtkkbCPBIdSZPpmX6GYaApSQEALw_wcB

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StephenH View Drop Down
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Post Options Post Options   Quote StephenH Quote  Post ReplyReply Direct Link To This Post Posted: 11 Aug 2023 at 2:13pm
I'm going to take a neutral position on that one. I don't have any experience with the company. The specs look okay. You will need to have it in a somewhat controlled environment as I don't see anything about self-heating.
StephenH
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Post Options Post Options   Quote mjlrpod Quote  Post ReplyReply Direct Link To This Post Posted: 11 Aug 2023 at 12:47pm
I am going to go with Lifepo4 battery / batteries. I am not sure if it will be 1 or 2 of them, but 1 for sure. I am looking into the one I put the link below for. It's a LI Time 230 Ah lithium battery. Anybody have any idea if these are good / bad / or indifferent?? I think I might wait till black friday, since camp season is close enough to over.
    
https://www.litime.com/products/litime-12v-230ah-plus-lifepo4-battery-built-in-200a-bms-max-2944wh-energy?variant=43846095339740

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Post Options Post Options   Quote GlueGuy Quote  Post ReplyReply Direct Link To This Post Posted: 24 Apr 2023 at 10:35am
I did not think LFP batteries use any "rare earths" at all. Further more , they don't impose any fire hazard, and I might argue that they are safer than SLA batteries. These days, they are cost competitive with SLA batteries. They are lighter than SLA batteries (watt per watt). Finally, they can probably handle at 3 or 4 times as many charge/discharge cycles than SLA batteries.
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Post Options Post Options   Quote jato Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2023 at 8:10pm
Gopokluda,  I will not argue your point, it is obvious the LI battery is the hands down winner for versatility.  Value?  well I will still hold out on that one due to the above price/year on the current batteries owned.  We do camp in colder weather and the ability to recharge LI is somewhat limited there IMHO.  Also, since the FW tank is behind the axle (177) and is usually full or near so as we travel, the extra tongue weight is a necessity.  The Trojan T-1275 (85 lbs.) and Interstate (45 lbs.) gives me just over the 11% tongue weight needed to give me peace while traveling down the road.  Our tongue weight with batteries and both 20# propane tanks adds up to 340 lbs.  11% of the loaded 177 weight comes out to 323 lbs on the tongue.
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Post Options Post Options   Quote gpokluda Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2023 at 6:27pm
Originally posted by jato

Going through battery expense so far after 12 years, I cannot justify the cost of lithium when looking at what has been spent so far with the old LA batteries, especially when looking at the expense of producing lithium and at the limited rare earth minerals needed to produce them.

3/2011  purchased 2 12v Interstate batteries (deep cycle) @ $ 50 each   total $ 100
8/2020 retired 1 original of the above and replaced with
           Trojan T-1275 which gives 165 AH (incl. core exchange)               total  $ 210
      
Where's Offgrid when you need him!

There is no disputing your good fortune, Jato. That charmed 12 year old LA battery is legendary. Maybe it should have its own Facebook page Tongue

Last I looked, the lead acid battery was not the poster child of the environmental movement. All that aside, however, while an LA battery is a good, economical alternative in some applications, the LI batteries wins the award for ease of use and overall performance across the board. Add to that the ever decreasing footprint for the same amp/hr output at less than 50% weight, and the ability to securely place the batteries in the coach and the LI battery is the hands down winner for versatility and value.
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Post Options Post Options   Quote jato Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2023 at 4:43pm
Going through battery expense so far after 12 years, I cannot justify the cost of lithium when looking at what has been spent so far with the old LA batteries, especially when looking at the expense of producing lithium and at the limited rare earth minerals needed to produce them.

3/2011  purchased 2 12v Interstate batteries (deep cycle) @ $ 50 each   total $ 100
8/2020 retired 1 original of the above and replaced with
           Trojan T-1275 which gives 165 AH (incl. core exchange)               total  $ 210

Grand total spent after 12 years service ($ 310.00) which figures out to a yearly expense after 12 years of $ 25.83/year.   I suppose I could add a gallon of distilled water but seeing that it came from my de-humidifier, cost on that was about nil, except for the electricity needed to pull it out of my damp basement. Also didn't include the yearly twice a year cost when they are given a 24 hour 2 amp trickle charge just before storing for winter.
 
      
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'11 model 177
'17 Ford F-150 4WD 3.5 Ecoboost
Jim and Diane by beautiful Torch Lake
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StephenH View Drop Down
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Post Options Post Options   Quote StephenH Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2023 at 3:27pm
Originally posted by mjlrpod

I feel kinda stupid now. No actually I feel very stupid. My surveyor already can support lithium batts. It's an auto detect system for whatever type of batt you install. I had no idea till I saw your comment, and I went and took a look. I would have thought my service guy might have mentioned that when I had a conversation about batts with him. 
Don't feel stupid. The service guy might not have thought of it since LiFePO4 batteries in camping trailers is still a fairly new idea. I like that there was a label on the power center in the Grey Wolf that let me know that ours has the auto-sensing feature. In a few years, you will be ready to make the change when the GC-2 batteries reach the point of needing to be replaced.
StephenH
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ouR escaPOD mods
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Post Options Post Options   Quote gpokluda Quote  Post ReplyReply Direct Link To This Post Posted: 23 Apr 2023 at 10:32am
Originally posted by mjlrpod

Hey did you ever get your hughes autoformer installed in your new unit? I got mine done, but had to add a power watchdog to it so I could monitor the power thru bluetooth, My autoformer in behind my converter, under the fridge and unseeable. 

It’s all installed but all of our camping has been off grid. Have yet to connect to shore power to test it out
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