Usually, plastic and non-conductive metal
There is no safe way to charge a phone without a charger made specifically for that phone/battery
Magic Gnomes
I am not sure who invented the phone charger First but In the year 2000, Wen-Chin Yang applied for a patent for a mobile phone battery charger. After few years a company able to create a portable phone charger. Apart from that recently Eesha Khare named guy invented charger that charge the phone in 20 seconds. However now there are many stores like "Amazon" selling normal phone charger.
One that is made by the same model maker of the phone.
To be honest there is no phone charger
yes, it does. as long as you buy a new phone, there are matched phone charger.
It is a cell phone charger that you can take with you. A cell phone charger is what you use to keep your battery from dying. You will need to charge your phone once a week or so.
you get a new charger
Yes Phone charger is included with phone accessories
Yes, your cell phone charger will work in Europe.
You can purchase an emergency cell phone charger online from the Cell Phone Shop Network website. Alternatively, you can purchase emergency cell phone charges from retailers such as Amazon.
The DSi XL's charger is proprietary, ie, it's specially made by Nintendo. No phone charger will fit in its socket. You might be able to find a 3rd party XL charger made by a different company. However be warned, as these may damage the XL or even start fires.