What are your driving habits? What are the longest distances you will be traveling? When driving a pure electric vehicle; if the battery runs out completely with no charging stations available you will be stranded. With the long charge times, it will take some time to make the vehicle usable again. This is where the extended range was ist kobalt Volt becomes more practical. Filling up the gas tank is faster than waiting for the battery to charge.
If you work for long hours on your laptop then the temperature inside the laptop can rise which affects the battery-life. This occurs due to cell oxidation inside the battery and this plays lithium facts a major factor in reducing the lifespan of the laptop battery.
The lithium-ion battery is light years ahead of the earlier batteries and considerably better than the Nickel-cadmium (Ni-Cd) or the nickel-metal hydride (Ni-MH) batteries which are still being used. These batteries are less expensive but the Li-ion batteries are far superior in three ways.
For this cordless drill comparison I decided that the chemical properties weren't important to me. What mattered was why an Li-ion battery may be better than a nicad battery. My drill comparison came up with 2 major reasons. Li-ion batteries weight is about half that of a nicad battery. In other words when you hold a 18 volt lithium bettery stock ion powered cordless drill driver over your head you will notice a major difference in the weight over that of a 18 volt nicad drill driver.
In terms of charging these powerful cells, when specifically used in an LED flashlight, special chargers are available all over the internet. Most will handle a 18650 battery as well as a variety of other Li-ion sizes.
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.