Thanks for your suggestion, mate.
I decided not to go for this one I found on eBay.
It's not even an OEM, and I don't want to take risk with this "unknown" brand's product, especially when it comes to a battery charger.
I checked the Nokia site, I found the USB charger, but again, this is Canada and we don't have many stores that have these kinds of accessories.
Instead, I might just go for the regular charger.
I have a USB power port in my car, so USB charger was definitely better..but if I can't find this, well I don't have choice.
Again, thanks for your information, though.