| Joined: | Mon Apr 2nd, 2012 |
| Location: | South Lakeland, UK |
| Posts: | 4066 |
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I guess by 'Travel Converters' they mean voltage adjusting converters rather than plug pin adaptors.
As far as I know all Nikon chargers are multi voltage self adjusting, you can use them at any voltage from 100V to 240V and at 50 or 60 Hz, you don't NEED an adaptor for the voltage and if you do use one it may confuse the charger because it may loose it's reference voltage and end up either under or over charging the battery
My MH-22 is dual voltage and so are my MH-21, MH-18a and MH-24 chargers. They are all self adjusting for the AC input. Which will be why the manual says, effectively, don't double adjust.
Also it's possible the 'travel converter' is just a resistor which will only give the correct voltage for a given sample load, all other loads will be wrong voltage.
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Robert.