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Short stubby + electrode does not make contact in devices
on 29 March 2015
In different weeks I threw away an old Binatone radio phone and a Digimed 22 heart monitor; this was after their battery went dead and I fitted these batteries and the units still did not work, I checked with a meter and the batteries had full voltage.
Only afterwards I thought to check and found the batteries have a broader but shorter protrusion + electrode which does not make contact in such devices where there is a plastic divider, nice one, I now inter-space a piece of aluminium foil to make the + contact.