Peter Stephenson wrote:
> Are Lithium ION rechargeable batteries the way to go these days? I need 10
> AA size batteries for my radio-transceiver (ICOM A22).
>
> PeterS
I'm in a similar position to Peter on this one. I find myself with the need to
replace the cells in the pack on my aged IC A-20. I'll probably be guided by
the company who usually manufactures/assembles my replacement cell packs, but
in general I'm inclined to stay with NiCads for the present. As already
stated, lithium ion batteries are not quite up to this degree of user
friendliness just yet.
One point which I've read somewhere long ago, but haven't been able to
rediscover, was that it was suggested that NiMh cells will self discharge at
the rate of about 1% per day in normal storage. Has anyone else any similar
information, or was this just an ill founded rumour? Are NiCads any better in
this respect anyway?
There does seem to be a school of thought which holds that in most instances
the charging regimes for NiMh and NiCad cells are similar - but NiMh types are
more easily offended if overcharged; indeed potentially dangerous if
seriously overcharged and the symptoms (overheating) are ignored or not
noticed.
Most modern off-the-shelf chargers seem to be able to manage both, but older
ni-cad chargers, especially those with a fast charge facility, should be viewed
with suspicion if used with NiMh replacements. Care is needed.
Any further comments welcome.
Regards,
Terry
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