need a electrical guru

FED 387 · 07-05-2012, 10:31 PM

what is the minimum amp hour battery I need to satisfactorily run a 3 amp 12volt dc motor for about 2 minutes???

Mike Graham · 07-06-2012, 10:06 PM

At about 80% effeciency a .1 amp hour battery would be ok.

Jim Wahl · 07-06-2012, 10:29 PM

So I'm guessing one of those little bitty motorcycle batteries would work fine? Jim

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FED 387 · 07-08-2012, 12:10 AM

thanx for the replies kinda reaffirms what I was thinking

07-05-2012, 10:31 PM	#1
FED 387 VIP Member Join Date: Jun 2006 Posts: 3,410 Likes: 507 Liked 329 Times in 177 Posts	need a electrical guru what is the minimum amp hour battery I need to satisfactorily run a 3 amp 12volt dc motor for about 2 minutes???

07-06-2012, 10:06 PM	#2
Mike Graham Member Join Date: Jul 2002 Posts: 410 Likes: 1 Liked 341 Times in 67 Posts	Re: need a electrical guru At about 80% effeciency a .1 amp hour battery would be ok.

07-06-2012, 10:29 PM	#3
Jim Wahl Veteran Member Join Date: Jan 2002 Location: Central Florida Posts: 5,843 Likes: 666 Liked 683 Times in 129 Posts	Re: need a electrical guru So I'm guessing one of those little bitty motorcycle batteries would work fine? Jim . __________________ Jim Wahl....NHRA #2239 S/SS - IHRA # 8 Stock, D2 Stock Champion (forever I guess) 2019 Baby Gators Stock Champion 2009 D2 National Open Stock Champion 1981 D2 West Palm Beach LDRS SS Runner Up Past President, Southern Stock / Super Stock Association.

07-08-2012, 12:10 AM	#4
FED 387 VIP Member Join Date: Jun 2006 Posts: 3,410 Likes: 507 Liked 329 Times in 177 Posts	Re: need a electrical guru thanx for the replies kinda reaffirms what I was thinking