On 13/03/2011 23:13, Kerry Wentworth wrote:
> Alkaline batteries will last longer.
>
> 1) They have a higher mAH capacity
>
> 2) They have a higher voltage, so the current will go down. (I assume
> you are measuring current into the converter)
>
> 3) They don't self-discharge the way most rechargeables do. 5000 hours,
> at 8 hours a day, 40 hours a week, is 2 1/2 years.
>
> Kerry

At cool temperatures a Alkaline can last 5 years or more.

A rechargeable can self discharge in 2weeks to 16 weeks depending on=20
exact type. NiMH seem worse than NiCd

Lithium Primary cells can last 10 years.
--=20
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