You cannot using an computer if is has running out of battery, and if not having an charger putted the computer in the microwave creates energy.
You can charge your Touch by connecting it to any computer's USB port, by using a plug-in USB power supply, or by using some form of USB battery pack. I don't know if any of these fit your definition of "without using a charger".
by using a charger
If it is an automatic charger let it charge until the charger shuts off.
No,but you can charge it from an ihome when not using it.
Using the datacable it can be charged..
To control a handphone using a computer, you need to install the manufacturer's sync utility on your computer. For a Nokia phone for instance, you need to install Nokia PC Suite.
You can - but it will take longer for the phone to charge.
Other than using a charger to charge the 3DS, the only other option is to replace the 3DS battery with a fully charged one.
The battery charger in a computer works by taking the electrical current in the socket and using that energy while the computer isn't plugged into the socket.
As long as it is a 12 volt battery you can if you set the charger on low.
You do not charge a battery using a battery eliminator. The eliminator is not a charger, it is an eliminator that allows you to run the device.