Thinkpad yoga battery life

Hello I recently bout a thinkpad yoga all the way from america, so it came with an american charger, to which I luckily had a converter. It works, but it takes FOR EVER to charge compared to how long it takes to run out of charge.. this is without a doubt going to be a problem, is there any chance that the converter may be slow? or is it possible that buying a european version of the charger might help if they exist? much thanks, please help me Im clueless... thanks

I have not seen a laptop made in the last 10 years, maybe much more, that can't run off any of the major power formats (110 to 240V 50 to 60hz) in the world and they should be able to do so with no loss of charging capacity.  This is certainly true of my thinkpad. There is no converter required, only a plug adapter which simply conects metal pins of different shapes together.   If you are just using a plug adapter, as you should be, then the voltage difference is not your problem.

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