"William Sommer****** = Colossal ****WIT "

A two-hour charge is, by any reasonable standard, a "quick charge".
It would be at least 0.5C -- hardly a slow charge.

** Standard charge for a NiMH is 16 hours at 0.1C.
Quick chargers deliver about 0.2C to 0.5 C
Fast chargers deliver 1C to 4C (ouch!)
Because NiMH ( AA, A or 9V ) cells vary widely in rated capacity --
the same charger has multiple rates.

So-called "simple" chargers have a timer as the only cutout.
A 4C fast charger that only has a timer is a lethal weapon.

IME -- the worst offenders in supplying chargers that are practically
guaranteed to ruin the cells are the battery makers -- ie Energizer,
Varta, and Sanyo.
Funny about that.

As they sell batteries, why should it be funny?


** FFS - the irony is pretty damn strong.

Not to mention being contrary to consumer law.


Based on my experience at Microsoft Hardware, and MAHA's documentation,
0.1C
is not considered an appropriate charge rate for NiMH cells.

** Totally IRRELEVANT.

For * loose cells * sold to the public and in the absence of " smart "
chargers that treat each cell as in individual - it is the only reliably
safe method.


Higher rates
are recommended, supposedly because they pump more charge into the cell
before the cutoff voltage or temperature is reached.

** Requires a smart charger, matched packs of cells et alia ad nauseam.

A whole different ball game.


I rarely charge faster than 0.3C.

** Still well capable of ruining NiMH cells left on charge for too long.

BTW:

Ruining refers to a simultaneous loss of capacity and LARGE increases in
self discharge rate and internal resistance.


..... Phil