No need to shout Vernon.
Yes there is! I have enough years up to be entitled to be short. Equally I could reply no need to ask the bleeding obvious!
Patience is a virtue.
A virtue indeed, but a virtue tested by repetition.
I did not assume the last device to be a stepdown transformer.
Then why the hell was it included in the discussion?
I was referring to DeWalt's explanation about chargers.
Where the hell did DeWalt make reference to dubious Asian timer switches?
Additionally, do you think purchasing stepdown transformer instead of original charger will make more sense because transformer can be used for other purposes as well?
That depends entirely upon your intended use. If the tool is carted about like most are with the charger in a heavy duty case then having to carry/remember an additional heave stepdown TX will soon become a right pain. If the charger livesin the shed/garage then it won't be much of a problem. Your step down needs to be sufficient for the start-up and running current demands of your charger.
No one can tell you what set of compromises will workbest for you, that's a choice you have to make for yourself. What works for someone else may not be your best option.
If you want my opinion I'd by the local charger to be sure not to add yet another annoyance to my day, for someone else one a tight budget a TX and USA charger may be the answer to their prayers. Ask for support by all means but remember when you are asking for opinions everyone has one, some people have more. Only opinion that will matter to you in the end is your own.