It base on the model of your laptop, laptop battery has it's own model too. And different battery's model may fit one laptop model. Your question answered by battery specialist hklika.
You need to buy a new battery look up which battery works with your laptop and buy it online
lithium
the battery charger and the charger are the same thing. the charger charges the battery and the laptop runs off the power from the battery. hope this helps
I do not know what cloud computing is, so I really cannot help you with a good answer to this question. You could go online external laptop battery and search what you are looking for though.
no
See below-
no
Your battery will lose charge faster.
The laptop will turn off when it is unplugged from the AC adapter
not really. if you take out the battery when plugged in you could short circuit the laptop. trust me i know.
http://www.udtek.com
You can find good batteries that last a while on Best Buy and Fry's sites. But you should know that it also depends on your laptop brand and model on how long your battery will last.