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[OM] Re: TSA: Safe Travel with Batteries and Devices

Subject: [OM] Re: TSA: Safe Travel with Batteries and Devices
From: Garth Wood <garth@xxxxxxxxxxxxxxx>
Date: Tue, 01 Jan 2008 09:16:39 -0700
Larry wrote:
> Tim Hughes wrote:
>> "Is there a marketed size that will just fit into the CT60 pack" 
>> Not exactly, 
>>
>>
>> To get the fast charge you need a different high power charger
> 
> I noticed that someone in the battery industry thinking logically would 
> make an AA sized cell of this type with just enough electrolyte to be 
> sure they are at least 1.5 Volts...


If it's the wrong chemistry, no amount of electrolyte in the cell will 
give you 1.5 volts -- it'll just give you a bigger capacity (more amps).

Alkalines are 1.5 volts because that's what their chemistry produces. 
NiMH are 1.2 because that's what *their* chemistry produces.

If manufacturers of electronic devices were smart, they'd re-engineer 
their devices so that 4 x 1.2 volts (or whatever number of cells they 
require in the device's battery compartments) would produce the 
necessary voltage to properly run their devices -- then you wouldn't 
need alkalines.  Radio Shack, a long LONG time ago, used to sell a 
5-watt walkie-talkie that had a battery compartment that could take 8 
alkaline AAs (for twelve volts) or *ten* rechargeable AAs (to still give 
twelve volts).  One of the more elegant solutions for this type of problem.


Garth

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