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02-21-2016, 05:28 PM
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#1
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Senior Member
National RV Owners Club Freightliner Owners Club
Join Date: Jul 2015
Location: Conch Republic
Posts: 2,534
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Possible silly question-inverter,coffee maker
Hi
Might be a silly question but it strikes at the heart of what makes the wilderness wonderful in the morning.
Can I run my 900w coffee maker off of a 1000w inverter like
Amazon.com : BESTEK 2 AC Outlets 1000W Power Inverter with Battery Clamps and Car Cigarette Lighter Plug : Vehicle Power Inverters : Electronics
refRID=1TP6S45PJF981BMGMYAT
this without damaging my batteries.
Assuming I have the proper wires to it from the battery?
I have four large 6v golf cart batteries and I do have 3- 100w solar cells ti recharge them. We are talking about a national park situation here with a no generator area.
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02-21-2016, 05:38 PM
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#2
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Senior Member
Join Date: Oct 2015
Location: Albuquerque, NM
Posts: 421
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Probably. The power advertised on inverters always overestimates what they are actually capable of handling. It won't damage your batteries, it will run them down fairly quickly since it's on the neighborhood of a seven amps current draw. When the batteries get low in power the inverter will shut off, so there is no danger in over draining them.
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02-21-2016, 06:05 PM
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#3
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Senior Member
Join Date: Jul 2015
Location: Watertown NY USA
Posts: 6,518
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Very simple solution: We have a coffee pot which is old school. Fill it up and put it on the gas stove and make coffee. We always have our Coleman Road Trip grille along with us. More often than not we use the grille to make coffee on.
This has never run our battery down.
Lynn
__________________
2002 Fleetwood Storm 30H on Workhorse P32 chassis 8.1 gas.
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02-21-2016, 06:12 PM
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#4
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Senior Member
Join Date: Jul 2014
Posts: 35,420
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Should be fine with the right gauge cables to the batteries.
You will be pulling 75 to 80 amps from your batteries but only for 2 minutes, maybe.
You will use about 2.70 AH
You have about 225 AH usable.
The problem I found, was I have my coffee in the AM. By then the batteries are low from too much TV the night before.
In that case, I run the MH engine until the coffee is made. ( Does that count as a generator ? )
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02-21-2016, 11:12 PM
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#5
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Senior Member
Join Date: Nov 2014
Location: TEJAS
Posts: 814
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I use a Keruig unit and it will pop my 200 amp circuit breaker leading to the inverter after about a minute.
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02-21-2016, 11:21 PM
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#6
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Senior Member
Join Date: Oct 2015
Location: Albuquerque, NM
Posts: 421
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Quote:
Originally Posted by spyderRV
I use a Keruig unit and it will pop my 200 amp circuit breaker leading to the inverter after about a minute.
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You have a 24,000 watt coffee maker? That must be pretty hot coffee!
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02-22-2016, 02:00 AM
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#7
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Senior Member
Join Date: Jul 2014
Posts: 35,420
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Quote:
Originally Posted by alvo
You have a 24,000 watt coffee maker? That must be pretty hot coffee!
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That would be 2400 watts at 12 volts.
He was talking about the 12 volt breaker leading to the inverter .
To the OP,
A Keriug draws about about 1500 watts so that works out to 125 amps on the DC side.
Even with losses in the inverter, with nothing else on, the breaker should hold.
Could be a weak breaker or overheating due to small gauge wiring.
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02-22-2016, 05:27 AM
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#8
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Senior Member
Join Date: Jul 2014
Posts: 35,420
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Quote:
Originally Posted by twinboat
That would be 2400 watts at 12 volts.
He was talking about the 12 volt breaker leading to the inverter .
To the OP,
A Keriug draws about about 1500 watts so that works out to 125 amps on the DC side.
Even with losses in the inverter, with nothing else on, the breaker should hold.
Could be a weak breaker or overheating due to small gauge wiring.
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Another point, my 2000 watt inverter suggests a 250 amp fuse.
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02-22-2016, 05:36 AM
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#9
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Senior Member
Join Date: May 2005
Location: Full-timers - Home is where we park it.
Posts: 4,722
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Quote:
Originally Posted by Kahoona
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The cables on that inverter look awful thin to handle that much load even for a couple of minutes.
I didn't see it in the description of the inverter, but for that price is has to be modified sine wave. That will probably be OK for a standard drip coffee pot that does not have a timer with auto function. Electronic controls like that frequently do not like MSW.
If you end up running your coffee pot from an inverter, brew the coffee and put it into a Thermos. Do not leave the pot on to keep the coffee hot or you'll run down the batteries.
A better solution is to do what LETMGROW suggests and get a stove top percolator for when you're boondocking.
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02-22-2016, 06:04 AM
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#10
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Registered User
Join Date: Jan 2009
Location: The Great American Southwest
Posts: 298
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I would make sure you are covered by your fire insurance and have a "Go Bag" ready by the door.
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02-22-2016, 06:20 AM
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#11
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Senior Member
Join Date: Jul 2014
Posts: 35,420
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The Bestek inverter is a pretty popular inexpensive inverter.
Do you think that because they have what looks like "thin wires" in a picture, they are about to burst into flames when you make a cup of coffee ?
Is that a marketing strategy to sell more ?
Do you pack a bag when you light the stove, to perk coffee ? There's a fire waiting to happen !
I used one for a while, it made my coffee. I got tired of the noisy fan when watching TV. No flames though.
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02-22-2016, 07:02 AM
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#12
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Senior Member
Winnebago Owners Club
Join Date: Jun 2010
Location: Iowa
Posts: 1,189
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Whenever I wanted coffee and had no electricity I put a pan of water on the gas stove and heated it up. While It was heating I used that time to fill the coffee makers basket with grounds. Once the water was properly heated I simply slowly poured the hot water on top of the grounds and soon had a pot of coffee.
__________________
Larry B, Luckiest Dreamer
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02-22-2016, 09:29 AM
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#13
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Senior Member
Join Date: Nov 2014
Location: TEJAS
Posts: 814
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Quote:
Originally Posted by twinboat
That would be 2400 watts at 12 volts.
He was talking about the 12 volt breaker leading to the inverter .
To the OP,
A Keriug draws about about 1500 watts so that works out to 125 amps on the DC side.
Even with losses in the inverter, with nothing else on, the breaker should hold.
Could be a weak breaker or overheating due to small gauge wiring.
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It's this breaker:
I also realized the terminals are reversed but I assume that shouldn't make any difference.
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02-22-2016, 09:30 AM
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#14
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Senior Member
Join Date: Jul 2014
Posts: 35,420
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Quote:
Originally Posted by spyderRV
It's this breaker:
I also realized the terminals are reversed but I assume that shouldn't make any difference.
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It may.
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