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Re: what if I use household 9v batteries?
Quote:
Originally Posted by Jeffy
OUr kit batteries can give 18 amps for one hour.
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The above is not correct. The capacity of the battery is not constant for different loads. Due to the chemistry of the battery, it is not a 1 to 1 relationship between current draw and run time. The capacity of sealed lead acid batteries is typically rated based on a 20 hour discharge. According to the spec sheet, the MK ES17-12 has a capacity of 8.1 Amp-ours under an 18 Amp draw, meaning it would last about 25 minutes before it will be depleted.
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Teacher/Engineer/Machinist - Team 696 Circuit Breakers, 2011 - Present
Mentor/Engineer/Machinist, Team 968 RAWC, 2007-2010
Technical Mentor, Team 696 Circuit Breakers, 2005-2007
Student Mechanical Leader and Driver, Team 696 Circuit Breakers, 2002-2004
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Don't limit programming to just hitting keys, there is a lot of logic/design involved. - Mike [more] 
03-04-2010, 16:28
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