Yes you can
Both of them has the same size about the port. But different output voltage and current.
YES! you can only use an IPAD charger or other Ipod DEVICE!
You need to obtain a correct charger for your iPod
no
no.
no it doesn't the Alba charger is smaller than the iPod one
Yes - the Ipod charger is 5.1v, and the Walkman is 5v. Use the Sony USB cable & it will charger just fine (Sony NWZ-Z1040 charged with Ipod/Ipad/Iphone USB charger confirmed).
No, you cannot charge an iPod with just any mp3 charger. You must have a charger made specifically for the iPod. Even if an mp3 charger happens to fit into an iPod, do not attempt to charge it as it may short circuit the internal workings of the iPod and kill your iPod forever.
About 5 watts for an iPod and 10 watts for an ipad
No, I have both and the charger on the pen doesn't fit into the phone charger.
Yes, the iPad comes with a charger.
No because the 5th gen charger is small and 4th gen charger is big
No, it will only work with the charger it comes with, or any other chargers that are designed for iPod shuffle.