This battery is also suitable for replacing110/120mAh batteries and
others.
The Mempac range is
used
in many memory back up applications, particulary for Fruit Machine Backups and Central Heating
Timers, like the Potterton.
Many original
batteries may of been in a Blue Case, it was Nicad and known as
3V100R. Others with a Honeywell Timer will note that their outer case
was Beige and has a small locating peg. This Ni-MH battery is a uprated
version of these older batteries.