snip

Although NiMH cells tend to lose charge faster, the higher capacity
and lack of 'memory' effect more than compensate - the cells can be
topped up at any time. Charge life can be extended by storing in a
'fridge.

The following site has some useful information:
http://tinyurl.com/ykku

Terry D.

NiCd do not have memory effect. They just get fried by people with timer or
manual chargers.

From your own tinyurl:
http://www.greenbatteries.com/docume...#NiCd%20memory

Bob