Re: [Paddlewise] Battery Questions

From: Dave Kruger <dkruger_at_pacifier.com>
Date: Tue, 29 Dec 1998 08:42:34 -0800
Roger Korn wrote:

> [snip] The advent of the digital camera has created suficient demand
> that a new class of rechargeable is available at "reasonable" cost. NiMH
> (Nickel Metal Hydride, or if you prefer, National Institutes for Mental
> Health) batteries have about 50% more capacity than NiCads, and can be
> recharged indefinitely at rates of up to .5C. For example, the capacity
> of an AA NiMH is about 1400 maH (milliamp-hours) and can be recharged at
> 700ma in about 2 hours. They live for over 1000 cycles and the cost has
> got down to $2.50 each in qty 10 from mail-order sources. NiCad chargers
> work fine with NiMH cells.

Thanks to Roger, a partner in suffering-from-rainfall, for the NiMH info. 
The capacity increase over NiCads makes these attractive. In my VHF,
ordinary NiCads will only provide about 30 - 45 minutes of transmit time,
marginal for handling a typical emergency.

-- 
Dave Kruger
Astoria, OR
over the hill from Roger -- on the *wetter* side of the Coast Range of
Oregon

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Received on Tue Dec 29 1998 - 08:51:32 PST

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