jolooote
Miami, FL
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Learjet...20 amps is 20 amps no matter Whats loading or Recharging it...its, comparitively, ALOT of current...
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wolfe10
Texas
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Sorry, lack of math here.
WATTS is WATTS
Amps of 12 VDC is NOT equal to Amps of 120 VAC.
20 amps @ 12VDC equals 2 amps @ 120 VAC.
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MrWizard
Traveling
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that cabin cool is a chassis/ basement style unit , not small for the roof
but boy it does seem super efficient
he sure did not help the oem a/c and onan by starting and stoping the generator withe the a/c turned on
these guys should go to an RV show and demo these units
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Learjet
Louisiana
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jolooote wrote:Learjet...20 amps is 20 amps no matter Whats loading or Recharging it...its, comparitively, ALOT of current...
you might want to check that sir 
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mena661
Southern California
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wolfe10 wrote:Sorry, lack of math here.
WATTS is WATTS
Amps of 12 VDC is NOT equal to Amps of 120 VAC.
20 amps @ 12VDC equals 2 amps @ 120 VAC. X2
2009 Newmar Canyon Star 3205, Ford F53 V10
Trojan L16 6V's 740 Amp-hours
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Learjet
Louisiana
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wolfe10 wrote:Sorry, lack of math here.
WATTS is WATTS
Amps of 12 VDC is NOT equal to Amps of 120 VAC.
20 amps @ 12VDC equals 2 amps @ 120 VAC.
Thank you! electrical advice on this forum gets pretty scary sometimes.
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jolooote
Miami, FL
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Lear, the man wants an AC thats going to draw 20 amps...that all thats important. He's gonna have to recharge those batteries after drawing 20 amps/hour. A good battery is gonna last about 4-5 hours. Than he's gonna have to run his generator all evening to recharge for the next days heat. Seems silly to me. Or he could cover an acre of land with solar panels. lol
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smkettner
Southern California
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An acre? Not quite that much. Probably 800 watts would about do it. 400 watts to run the air an 400 watts to recharge the battery to run the air into the evening. Maybe another 400w and more battery if it is to run well into the night. Should cycle some by then.
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mena661
Southern California
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smkettner wrote:An acre? Not quite that much. Probably 800 watts would about do it. 400 watts to run the air an 400 watts to recharge the battery to run the air into the evening. Maybe another 400w and more battery if it is to run well into the night. Should cycle some by then. Yep, this is a hell of a lot more feasible at 20 amps.
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MEXICOWANDERER
las peñas, michoacan, mexico
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Until someone I trust stands under one on a hot day and says "Man that thing puts out some cold air, I'll tell ya" this critter goes into the "Good tasting salt substitute" and "Bernie Madoff's fund has the very best return" dept. Sorry.
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