On 12/03/2012 22:55, Ian Jackson wrote:
In message , Mark writes
ARWadsworth wrote:



Dunno why it's getting through batteries, butb the reason you can't
use re-chargables is probably that they are usually only 1.2v whereas
alkaline batteries are 1.5v

Or that re-chargables self discharge too quickly?


never heard of Eneloop ?

and you can now get 1.5volt Rechargeable Alkaline, but not tried them as
yet.
https://www.pureenergydistribution.com/

The prices look very good. However, unless I've missed it, there's no
sign of any capacity ratings (which seems strange).

Try some Energizer Lithium Batteries, they are expensive, around £8 quid
for a pack of 4 but they do last longer. Really good for digital cameras.

Failing that, whats to stop you from running a mails wall wart and
feeding 3 volts via twin bell wire to the programmable room thermostats?

Stephen.