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Paul Cowley
Works at NCR Corporation
Lives in Ames, IA
20 followers|71,687 views
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Paul Cowley

commented on a video on YouTube.
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We need footage of the fix... I'd love to watch along as you 'fixed' the AK!

Paul Cowley

commented on a video on YouTube.
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AA "Lithium" batteries (Li-FeS2) like the ones you used and AA "Alkaline" batteries have the same nominal voltage (1.5V) so you shouldn't see a difference in brightness between fully charged batteries of either type.  Where this type of lithium battery rules, though, is in the total capacity.  At a constant 500 mA drain, alkaline batteries will hold 1800-2600 mAh versus lithium batteries with somewhere between 2700-3400 mAh.  In high-discharge applications, you can see up to 2.5x longer life with the lithium cells versus alkaline.  They also store better due to much lower self-discharge rates (think storage in the 10-20 year range with little to no effect on capacity).

Also, don't confuse these "Lithium" cells with the CR123A lithium batteries often used in high-brightness flashlights (think "Surefire") and such.  The CR123A uses a Li-MnO2 chemistry, producing a terminal voltage of 3V (instead of 1.5V as with the Li-FeS2), and work better in low-drain applications.  They don't like high current drain applications, but can deliver brief "spikes" of high current effectively.  The CR123A will also self-discharge at high temperatures so are more critical of storage.

Paul Cowley

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Fantastic giveaway... congratulations to the winners!
Work
Employment
  • NCR Corporation
    Field Service Manager, present
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Gender
Male
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Currently
Ames, IA
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Clean room and a comfortable bed. Breakfast was decent. Toilet in my room kept running, and the place feels a bit run down, but worth the cost.
Public - a month ago
reviewed a month ago
Restaurant is very run down and dirty. Coke machine is watered down. There are better BKs to get your Whopper!
Public - a month ago
reviewed a month ago
Outstanding and friendly service. Fantastic home-style cooking, with made-from-scratch food.
Public - a month ago
reviewed a month ago
Public - a month ago
reviewed a month ago
11 reviews
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Great gyros... Some of the best I've had. Try it with feta!
Public - a month ago
reviewed a month ago
Food is tasty and made to order, but the restaurant seems a bit run down and dingy. Good value, and a nice change from typical fast food Mexican food.
Public - a month ago
reviewed a month ago
Public - 2 months ago
reviewed 2 months ago