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Thread: Using batteries at 17% charge
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09-28-2019, 11:25 AM #1
Using batteries at 17% charge
I got to test out how well our lithium battery bank works at extremely low DoD.
The vast majority of the time we purposely park in spots where we receive full sun so the solar panels work at maximum efficiency.
Sometimes, very rarely, we're forced to camp in the shade. The panels still put out some amount of power, even shaded, and we have several days reserve power in the battery bank.
Last week, were staying on a friends' property outside Goldendale, Washington. It was a heavily wooded area and we stayed 3 days.
I never ran the generator. Mostly because I was curious to see how long the batteries would last if we were not skimping on electricity.
We were using the microwave several times each day, watching TV until midnight, playing Xbox, using the 300w sound bar, charging both laptops and both phones all day all 3 days, and running the furnace all night.
The morning we left we were at 17% SoC and our voltage was still a VERY useable 12.7 volts!
The lithiums even allowed us to use the microwave to heat up some breakfast and the lights were all still at full brightness.
Don't even think of trying this with your lead-acid batteries kids!
Last edited by DaveMatthewsBand; 09-28-2019 at 12:08 PM.
Resistance is Not Futile, It's Voltage Divided by Current.
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09-28-2019, 11:30 AM #2
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I’m guessing you misspoke. 17% DoD is 83% charged and not remarkable. 17% SoC is a deep discharge!
John & Kathy
2014 F250 Lariat FX4 6.2L SBCC
2014 Reflection 303RLS
SW Indiana
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09-28-2019, 12:09 PM #3
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09-28-2019, 04:31 PM #4
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Newbies count on the info they read on these sites as valid ...
I think it's vitally important for experienced RV'ers to quantify anything put out there (for accuracy).... BEFORE, someone gets inaccurate information and winds up more confused than they began ... LOL. !!!
Michael
Sent from my SM-G930T using TapatalkLast edited by Da Breeze; 09-29-2019 at 11:18 AM.
Previously known as mikgala
F-250 7.3 PSD Lariat Super Cab LB wt 152K - 25 row Ford tranny cooler, A&E Air Intake system, TS-6 high performance Super Chip, Air Ride airbags, Bilstein shocks
2017 Reflection 307 MKS 9,875 UVW / 12,995 GVWR / 1,605 Pin
[SIGPIC][/SIGPIC]
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09-28-2019, 04:42 PM #5
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Very nice. I'm old school though....I can buy a ****load of propane for the Onan for what you have in those batteries lol!!! Jus sayin
2019 Solitude 375RES Onan 5500 Splendide W/D Samsung res. fridge
2020 Ford F450 Platinum dually 6.7L 4:30 gears
B&W Companion for Ford puck system 20K lbs
Jeff
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09-28-2019, 04:56 PM #6
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Old school ???
Me Too...!!!
Just spent two weeks in Smokey Mtns NP
Campground with no hookups and 2 lead acid bttys. Managed just fine running Twin Honda Eu2200i's (set-up in the truck bed for QUIET)... an hour a day to keep batteries topped off. Also ran the AC and any micro cooking before 8 pm cutoff !!
1 hour( in Eco mode) chilled the trailer down for a sound, DRY night's sleep as well !!
Michael
Sent from my SM-G930T using TapatalkLast edited by Da Breeze; 09-29-2019 at 11:19 AM.
Previously known as mikgala
F-250 7.3 PSD Lariat Super Cab LB wt 152K - 25 row Ford tranny cooler, A&E Air Intake system, TS-6 high performance Super Chip, Air Ride airbags, Bilstein shocks
2017 Reflection 307 MKS 9,875 UVW / 12,995 GVWR / 1,605 Pin
[SIGPIC][/SIGPIC]
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09-28-2019, 05:09 PM #7
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Haha we think alike! I just bought 2 of the Honda 2200's as backup and to loan to my daughter in Houston as needed. It floods a lot over there and they lose power if the wind blows over 5 mph! The new EU 2200's are pretty slick. I tried the out and paired they will run 1 AC and everything else in my trailer.
2019 Solitude 375RES Onan 5500 Splendide W/D Samsung res. fridge
2020 Ford F450 Platinum dually 6.7L 4:30 gears
B&W Companion for Ford puck system 20K lbs
Jeff
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09-28-2019, 05:13 PM #8
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Steve and Renee
2018 Solitude 310GK, disc brakes, Morryde SRE4000/XFactor with heavy duty shackles
2012 Ram 3500 SRW 6.7 Diesel, air bags
18k B&W Companion, non-slider
640 watts solar, 400 amp-hour Lion Safari UT 1300 battery bank
Aims 1500 watt inverter/charger with ATS
Somerset, WI
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09-28-2019, 07:07 PM #9
Using batteries at 17% charge
Last edited by DaveMatthewsBand; 09-29-2019 at 12:07 AM.
Resistance is Not Futile, It's Voltage Divided by Current.
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09-28-2019, 10:09 PM #10
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Very cool, I'm going to do this one of these days.
2019 Momentum 395
2018 Ram 3500 DRW 4.10 AISIN
Breakaway Switch Question
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