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Thread: Best battery for RV?
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11-24-2020, 10:16 PM #11
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I voted for 4 lithium batteries for a total of 400 usable amp-hours. With the correct or better converter the charging is 1/2 or 1/4 of wet cell batteries.
I had these before and 2 were ok, but the residential refrigerator is a bit of a power hog.
Whatever your choice ends up being, get a quality converter (4 stage for wet cell batteries). KENLast edited by orbiker; 11-24-2020 at 10:20 PM.
Backpacker and tent camper all my life, including BSA as a kid and adult.
Motorcycle trips across the USA with a tent - 1978 to Present.
02-10-2005 - 2002 F350 SWD PSD and 2003 Citation 10'8S mostly for Crater Lake Ski Patrol.
10-29-2015 - 2016 Grand Design 380TH. It's HUGE compared to a camper.
10-19-2018 - traded truck for a 2016 Ram 3500 DRW Laramie CC 4 X 4 Long Box.
03-16-2019 - Traded Momentum for a New 2018 374TH-R Solitude
FULL TIME RV'er Nov 2021
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11-27-2020, 12:34 PM #12
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Agree...but if Lithium isn't an option, AGM is definitely superior, IMO. Between our pop-up (2008-2019) and the 297RSTS (2019 - ???) I've destroyed way too many sets of lead acid...they just require too much attention and I have to store offsite from our home.
I just ordered 3 x SOK 206 AH LiFePo4 batts for our TT at a really good price. Will Prowse finally did a review and teardown on his YouTube channel and referred to them as "his new favorite battery..." (he's brutally honest, if you're not familiar)
https://www.sokbattery.com/12v-200ah...tery-pack.html
We're really looking forward to living like 50Amps on those 30A beach posts next summer!! (Hybrid Victron inverter/charger on the way as well)
OzGoodOz
2019 Reflection 297RSTS
2018 F250 6.7 w/2219 available payload
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11-27-2020, 12:55 PM #13
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It's not an issue for many folks who are able to keep their rig at home or otherwise plugged in/trickle charged. However for me, having to store offsite creates an issue regarding the "self discharge" feature of a standard lead acid. I've read somewhere that LA batts self discharge at 10% per month but I've returned to my TT in the past to find completely dead cells...maybe two months later...and that's with a knife blade disconnect off the negative post on the bank (zero phantom draws). Until LiFePo4, AGM worked better for me.
GoodOz
2019 Reflection 297RSTS
2018 F250 6.7 w/2219 available payload
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11-27-2020, 01:55 PM #14
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Searching those lithium batts., holy cow! Thousand bucks a pop! Would one have to change out the converter too? I'm stored at home plugged in to shore power 24/7 and always keep an eye on the batt. Thanks for all the input but don't think my budget can swing a lith. at this time.
2022 Silverado Duramax/Allison 2500 HD
2018 Momentum 328
2018 Polaris RZR
2005 Polaris Sportsman 500
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11-27-2020, 02:37 PM #15
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That new SOK is a sweet battery! The BigBattery that Will tested is super nice as well. Really nice to see these new batteries being introduced at lower cost per Ah. I thought my Lion Energy 100Ah LiFePO4's were a good deal @ $699 but these look much better. Higher capacity, better design and lower price. I have no need currently for a huge battery bank but these new LiFePO4 batteries are tempting!
Brian & Kellie
2020 Solitude 310GK-R, FBP, 1,460w solar, 540ah BBGC3, MORryde IS w/disc brakes
2020 F-350 Platinum SRW Powerstroke Tremor, 60g TF fuel tank, Hensley BD3-F air bag hitch
Previous setups:
2019 Solitude 373FB-R, 2019 F-350 Platinum DRW Powerstroke, Hensley BD5 air bag hitch
2016 Reflection 318RST, 2016 GMC 3500 Denali SRW Duramax, Hensley BD3 air bag hitch
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11-27-2020, 03:28 PM #16
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Yep...I also really like the fact that they can be easily opened up and serviced...Bad cell? Bad BMS? No problem...just swap it out and move on. I liked the Big Batt as well (especially the shape/footprint) but as he mentioned, some folks won't care for the MC connector...not a biggie to get around but would introduce a little more clutter, IMO. Our battery bank will be in the storage under the bed, so I'm not overly concerned with their low temp rating (although, that is very cool!).
GoodOz
2019 Reflection 297RSTS
2018 F250 6.7 w/2219 available payload
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11-28-2020, 03:52 PM #17
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These are kind spendy at first, but are actually cheaper in the long run. Can be nearly completely drained without damage, charges faster and more efficiently than AGM or Lead acid and best of all, no maintenance. https://bigbattery.com/product/12v-1...ck-rv-battery/
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11-28-2020, 04:56 PM #18
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I have to admit, I had put an x on Lithium batteries because of the price. In Canada, BB 100ah batt is $1,400. Just for the batt. I understand all the pros of lithium and that its a long term investment button but that a lot of upfront money for part time RVing. Now that the SOK is half the price of BB it could get back on my list.
Sent from my SM-P610 using TapatalkSteph & Lise
2019 F150 Lariat 2.7 EB
2020 Imagine XLS 22MLE
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11-28-2020, 05:04 PM #19
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I went AGM as they have very little chance of discharging too much with my solar system, and no refilling either. Maybe in a few years when they need replacing I'll see if Li batts and converters, etc. can convince me to go that way.
Dan and Rita
2021 Reflection150 260RD, built June 2020, w/400W solar + 2 size 31 AGMs, added 2" lift blocks to match the
2022 F350 SCSB 7.3 GdZa 4x4, 10 Sp w/4.30s - Lariat Sport in Atlas Blue
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11-28-2020, 10:25 PM #20
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I agree completely. Lost one of my two interstate batteries a year ago. I agonized and researched for a couple of days as to which way to go. I keep distilled water at home because I have to tend 8 batteries for all of the equipment and toys here. After reading dozens of forums I rationalized that for the cost of one LiFePO4 battery I could buy 4-6 Walmart high CCA batteries, depending on whether they were on sale at the time or not. This way, if one of the batteries in my F250 diesel went out, I would have spares to get me home. My truck has two and I rigged a battery box in the Solitude with room for three batteries. My $$ .02.
Frank and Char + Maya, Newport, Michigan. 2016 Solitude 379FL/2006 F250 6.0 diesel w/dually conversion. 4th rain-sense roof vent, two ceiling fans, Kodiak disc brakes, Carlisle G 14-ply tires, Water Miser x2, final dump valve, water header tank, fridge cond fan switch, outside range exhaust, elec hot water anode, filtered drinking water, triple battery box,
best strategie on keeping unit...
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