Nickel-metal-hybride (NiMH) batteries
have now become widely available. A
typical one is the 120AAH, which has a
capacity of 1.2 Ah in size AA (MNI500;
LR6). This type does not lose more than
45% of its capacity through self-discharge
over a period of 25 days at a temperature
of 20 °C. Recommended fast charging instructtons
are charging with a current of
0,3 C for not more than 2.5 hours, or until
the cell voltage has risen to 1.49 V, or until
the cell temperature rises above 40 "C.
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