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Old 09-22-2016, 12:55 PM   #11
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Is your refrigerator or anything else running off the inverter at the same time?

My guess is voltage drop as well. Check the gauge of the wires as well as the length and you should be able to calculate the theoretical voltage drop.

Voltage Drop Calculator

Anyone know if the T-105 can handle 70+ amps without dropping voltage too much? The technical specs do have a 75amp rating but I suspect voltage drops a fair bit and then additional voltage losses from the wiring.

Cheers
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Old 09-22-2016, 12:57 PM   #12
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Quote:
Originally Posted by mike837go View Post
I'm with Murff.


Heating water with battery power is a mis-application of resources!
I guess running our crock pot off the solar panels is a no no too then.
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Old 09-22-2016, 01:13 PM   #13
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I guess running our crock pot off the solar panels is a no no too then.
If you've got enough solar panels (and sunshine) to replenish 400W for 3-4 hours, then go for it!

Not us. Too many trees. Lovely trees. Shady spaces to relax and listen to the water.

For me, because I am still not used to so many 'little draws', I want to preserve as many Ah as possible. I much prefer to lean on the up to 60# of propane sitting right next to the battery.


On topic: I had installed a 1,500W inverter in my previous trailer. 2' of #6 wire to feed it. You could microwave a cup of coffee from room temp to drinkable or 2 hot dogs from fridge to sizzling. Then the water pump wouldn't work properly.


No inverter in the new trailer.
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Old 09-22-2016, 02:56 PM   #14
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Is your refrigerator or anything else running off the inverter at the same time?
On our Greyhawk, the inverter only powers the TV outlet. My own thought is that the 800 watt rating is nominal. And there's a surge.
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Old 09-22-2016, 05:11 PM   #15
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- What is your battery(s) voltage before you turn on your coffee pot? Should be 12.6 or better. The closer to 12.0VDC your battery is the less effort it takes to hit the 10.5VDC cutoff voltage of your inverter.

- How old are your batteries? They may hold a charge, but your original 220Ah battery rating may only be 120Ah now.

- Is the water level topped off in the batteries?

- How many feet from your battery is your inverter? Recommended is around 5' max.

- What size battery cables connect your batteries DIRECTLY to your inverters (+) & (-) connections. (Frame ground should not be used for an inverters ground)

- Are all your inverter and battery connectors clean and tight?
- Are your cable ends (connectors) tight? Not corroded!



I would venture to say that you either have too much distance between your inverter and your battery or your cables are not large enough for the task.

I have 2 Trojan T145 batteries (6volt, 260Ah), the 1/0AWG cables between the inverter and batteries are 5' and it has never tripped the inverter's low voltage disconnect. I would test the voltage drop now but, they are still at 13.1 VDC and it would not show a normal voltage drop... Got to love SOLAR

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Old 10-24-2016, 09:39 PM   #16
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Im fairly certain the coffee maker isn't running off of the inverter. We have a 2015 greyhawk and I believe the inverter is only for the TV, so if the inverter is tripping, there may be something else wrong. Good Luck
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Old 10-25-2016, 10:28 PM   #17
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I also have a 2016 29MV. How did you install 2 golf cart batteries? The battery tray surely won't accommodate them.
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Old 10-26-2016, 06:02 AM   #18
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I have a 2k PSW Inverter with 2 x Interstate 6V GC batteries. AH ratings are similar to the T-105's. I once tried to run my coffee maker prior to AM generator hours and while it did it, the batteries were hit hard. I got about half the pot going and decided it was better to forego and use the press instead.

So, to answer your question. Yes a 2k inverter can run a coffee pot, but I would not do it regularly or even that often. There are better more efficient options out there for certain applications.

My main use of the inverter is for TV's an occasional blender run and charging our electronics, like phones.

2/0 wire is what I used on a 24 inch run.
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Old 10-26-2016, 03:09 PM   #19
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I have a 1000 watt inverter that I use in emergencies. (once in 8 years so far) With 1 ga wire it will run my K-pod coffee maker..
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