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The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


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Re: Battteries...


  • To: ukha_d@xxxxxxx
  • Subject: Re: Battteries...
  • From: patrickl@xxxxxxx
  • Date: Wed, 28 Mar 2001 19:26:58 -0000
  • Delivered-to: rich@xxxxxxx
  • Delivered-to: mailing list ukha_d@xxxxxxx
  • Mailing-list: list ukha_d@xxxxxxx; contact ukha_d-owner@xxxxxxx
  • Reply-to: ukha_d@xxxxxxx

> The reason I ask is that I'm looking to make up a high capacity
power pack
> for a very current hungry digital camera and their D size alkaline
cells are
> rated at 18,000mAh as compared with a typical 1,600mAh for a
rechargeable AA
> set. Of course they're not rechargeable but with ten times the
battery life
> then I'm happy to accept that the batteries are thrown away if it
means an
> uninterrupted day of shooting!

Be aware that the electrical characteristics of NiCd (if that's what
you currently use) vs. disposable cells are such that they may not
actually be suitable for digital camera use.
I had a (now defunct) digital camera which used 2xAA nicd cells. The
camera would not work properly with dry cells. I think this may have
been due to the fact that alkaline dry cells are unable to supply the
high transient peak currents which NiCd cells can. I don't pretend to
be an expert on battery technology and no doubt someone else will be
along shortly who can elaborate further/rubbish my theory. I guess if
you know your current camera works with conventional dry cells ok,
you are unlikely to have a problem.

Patrick



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