pianotuna
Regina, SK, Canada
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MFL wrote:pianotuna said: "12.3 volts is 50% If it is a marine battery that's already pushing it too low."
I'm thinking 12.3 is about 70%, and not an issue, until getting closer to 12.0, which will shorten life of battery.
Deep cycle 12.06 = 50%
Marine 12.2 = 50%
Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp-hours of Telcom jars, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.
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Thermoguy
Graham, WA
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Why use the fridge? you are talking just 1 weekend, use a cooler for your food. Use minimal lights, minimal water (pump).
Problem solved.
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Grit dog
Black Diamond, WA
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JimK-NY wrote:This thread reminds me of a friend who bought an EV and wanted to take a road trip. In theory they should be able to drive a couple hundred miles before charging so not much of a road trip. To make it worse they wanted to travel in the winter months. The batteries are less efficient in the cold and battery power is needed to heat the interior of the car. So no road trips in that car.
They had great intentions. First they thought they would save on operating costs. We live in an area where electric rates are way, way over the national average so that is not going to happen. Next they thought they were helping to keep pollution down and doing their part to reduce global warming. That electric power did not come free. It comes from a power plant burning natural gas or an older plant burning oil.
Sometimes there just isn't a good fix after buying the wrong thing.
Great story that has nothing to do with the OPs thread. And while you’re correct that some of the things you mentioned are concerns or challenges with EVs, your selective info shared and the sensationalizing of it show that you’re just trolling….
Nice work!
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Grit dog
Black Diamond, WA
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pianotuna wrote:MFL wrote:pianotuna said: "12.3 volts is 50% If it is a marine battery that's already pushing it too low."
I'm thinking 12.3 is about 70%, and not an issue, until getting closer to 12.0, which will shorten life of battery.
Deep cycle 12.06 = 50%
Marine 12.2 = 50%
Jerry, you’re right presuming the OP has a FLA battery (most likely since he’s just schlepping the cheapo dealer throwaway battery).
But never count out Tuna to be the antagonist whether there’s actual opportunity to be or not! Lol
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Grit dog
Black Diamond, WA
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Thermoguy wrote:Why use the fridge? you are talking just 1 weekend, use a cooler for your food. Use minimal lights, minimal water (pump).
Problem solved.
Yeah, I mean I’ve camped a lot of times with 2 coolers. Dry ice cooler for frozen and other food and ice cooler for bevvies.
And when camping like that also use minimal water and lights. And don’t use heat or AC either.
AND the “camper” rolls up into a little bag with its poles….haha.
But then we got an actual camper, u know, for conveniences like refrigeration and water and lights and heat and and and ….
OP is fixated on something here, whether it’s his being cheap or lack of finances to shore up his electrical system, or something else. Since it’s almost impossible, as a RVer to not learn by default how long your batteries last.
If you haven’t, then you’re either oblivious or never unplug the camper.
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JimK-NY
NY
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Thermoguy wrote:Why use the fridge? you are talking just 1 weekend, use a cooler for your food. Use minimal lights, minimal water (pump).
Problem solved.
This has been suggested numerous times but somehow does not meet the OPs requirements.
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ewarnerusa
Helena, Montana
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swimmer_spe wrote:ewarnerusa wrote:swimmer_spe wrote:... you can fire up your tow vehicle ... it is equipment you already have.
How long should I run it for if the battery goes down below 12V?
...
I like the idea of jumper cables instead of 7 pin. Pull in forward so you're close enough to run jumper cables between your tow vehicle battery and trailer battery. Idle the tow vehicle while hooked up this way, the alternator will push amps into your trailer battery. I have no idea for how long though.
Aspen Trail 2710BH | 470 watts of solar | 2x 6V GC batteries | 100% LED lighting | 1500W PSW inverter | MicroAir on air con | Yamaha 2400 gen
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MFL
Midwest
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Grit dog wrote:pianotuna wrote:MFL wrote:pianotuna said: "12.3 volts is 50% If it is a marine battery that's already pushing it too low."
I'm thinking 12.3 is about 70%, and not an issue, until getting closer to 12.0, which will shorten life of battery.
Deep cycle 12.06 = 50%
Marine 12.2 = 50%
Jerry, you’re right presuming the OP has a FLA battery (most likely since he’s just schlepping the cheapo dealer throwaway battery).
But never count out Tuna to be the antagonist whether there’s actual opportunity to be or not! Lol
Thanks Grit...I do know a bit about batteries. I was giving PT a chance to say typo...I meant 12.03, but he just back pedaled instead.
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swimmer_spe
Sudbury, Ontario, Canada
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Joined: 08/14/2013
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JimK-NY wrote:This thread reminds me of a friend who bought an EV and wanted to take a road trip. In theory they should be able to drive a couple hundred miles before charging so not much of a road trip. To make it worse they wanted to travel in the winter months. The batteries are less efficient in the cold and battery power is needed to heat the interior of the car. So no road trips in that car.
They had great intentions. First they thought they would save on operating costs. We live in an area where electric rates are way, way over the national average so that is not going to happen. Next they thought they were helping to keep pollution down and doing their part to reduce global warming. That electric power did not come free. It comes from a power plant burning natural gas or an older plant burning oil.
Sometimes there just isn't a good fix after buying the wrong thing.
I have plans of getting a generator in a year or so, so it is not that I bought the wrong equipment, but that I am not yet prepared for what eventually I will be for.
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JimK-NY
NY
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swimmer_spe wrote:
I have plans of getting a generator in a year or so, so it is not that I bought the wrong equipment, but that I am not yet prepared for what eventually I will be for.
You have other issues besides just getting a generator. First you need a battery bank of appropriate size for your power consumption. Next besides just buying a generator, do you have any idea of how much generator time is needed to replenish and completely charge your batteries? You are going to have to let that generator run for hours assuming you are allowed to do that where you are staying. For example in many National Parks some campgrounds do not allow generators. In others use is limited to a few hours a day corresponding to meal times. If you do stay where generator use is not restricted, you might be subject to listening to a campground full of noisy generators.
Or are you just willing to limit almost all of your camping to RV parks with hook ups?
Do you really think you bought the right equipment? Does it work for you now? Will it be what you want later on? If so, then great.
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