Thread: what if I use household 9v batteries?
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Unread 03-04-2010, 19:17
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FRC #2410 (Metal Mustang Robotics) #159 (Alpine Robotics)
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Re: what if I use household 9v batteries?
Quote:
Originally Posted by sanddrag View Post
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.
Im sorry, robot withdrawl? Its been 7 days since I had to change a battery :/.
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Metal Mustang Robotics 2410 (2008-2011)
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2010 GKC Finalists
2010 OKC Champions
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