Contact polarity
Hi elepant,
I haven't seen a 202, but if it's the same as the later 45 series, then looking into the bottom of the flash, the top pin at the round end is positive, the left one half way down is the negative for 7.2V NiCDs and the bottom right one, lowest down in the square corner, is the negative for 9V alkaline batteries. I've used NiCds and NIMH batteries with no problems,connected to the alkaline pins, it's just a tapping on the power supply transformer to compensate for the NiCDs having a lower voltage. There's also a 0.2 ohm resistor inside some of the Metz 45 models, in series with the NiCd negative line, probably to limit the initial current. I've had no problems at all over 24 years, with using NICds or NIMH on the alkaline connections, in an alkaline battery holder.
Regards,
Neil
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