No - if you're using a laptop at home, it's better to unplug the battery and run it from the mains adaptor. You should only run the laptop form the internal battery when there's no main supply present .
Some Sony laptops have generically manufactured batteries, but not all. The AC adapters are generic, but the batteries may be a custom fit, dependent on the model.
Batteries for laptops can be found on eBay. The site offers many cheap batteries that work quite well with all types of laptops. Make sure that you check out the seller's ratings to determine the authenticity of the product.
Global Batteries is a company that sells batteries for many different devices from AAA to Lithium batteries for laptops.
Mainly all laptop are power by a cord. Usually its the kid version laptops that can run on batteries, but not the professional ones.
All wireless headphones do need batteries.
All computers will use batteries in some form or other. Desktop Computers will have small cell battery (the type used for hearing aids) which is just used to keep the time etc, while Laptops tend to use a Lithium-ion battery which is rechargeable. A few Laptops still use NiMH type batteries but these are in the minority.
Yes, almost all keyboard batteries are rechargable. However, you'll need a rechargable batteries for it.
They work on many pieces of home equipment that require batteries, such as laptops, camcorders, and digital cameras. It just depends on what types of batteries you've picked up.
Buy discount laptop batteries at a cheap price at Batteries.com. Batteries.com offers quality replacement Laptop batteries and Chargers for most brands of laptops and netbooks.
You can go to laptop battery life online for they have all kinds of battery for all kinds of laptops. If you wish you could also visit amazon.com and eBay for more choices.
A good place to find replacement batteries for Dell laptops is eBay. It is possible to find batteries for less than $10, but they might not last as long as Dell-manufactured batteries.