Now yes kobalt minen it depends on how you're using it. But the Apple creators say it will play movies solidly for 10 hours for example before the iPad battery says "feed me".
To avoid this you can check date of manufacture and buy one that is more recently out the gates of the factory. As a workaround you can buy any netbook while it's under warranty test the battery and if it's not up lithium facts to your expectations you can send it back as dead on arrival and demand for a replace.
ONickel Cadmium (NiCd) - The oldest battery type used in cell phones. They are the heaviest and lowest capacity battery type. These can be somewhat hard to find.
Why lithium bettery stock is this important? If you have a relatively new PC the only problem you will get are error messages relating to the clock on start up. No big deal. If your PC is older then a low battery could be a nightmare. I had a PC which once every few months refused to boot. Rather than take the PC in for repair or start replacing parts myself the first thing I did was look at the BIOS settings. It was soon obvious that the BIOS settings were corrupt (wrong bus speed). I put a volt meter on the battery and sure enough it was reading 2.2 volts.
You have more power to perform work better and faster such as drilling and screwing than the smaller model. Once I used the 18v model I found that I prefer to use it more often because it gives me more power to complete the same task with less effort. At the end of the day it is better and faster, productivity counts.
Next on the list is our gas weed wackers little brother the cordless weed wacker. Cordless weed wackers are great for smaller yards and the environmentally friendly. When looking at cordless string trimmers, you can't miss out on WORX. WORX products are known for being easy to use and operate by home owners. Without any hassle of using gas and oil, the WORX GT WG151 18-Volt Cordless Electric Lithium-Ion String Trimmer/Edger. This tool is easy to use right out the box, and does excellent finish work on trimming your yard. Also the built in edger capability makes this the best cordless weed eater of 2010.