Electric cars are designed to run by the use of a battery or 'electric' parts rather than from fuel like gasoline. Electric cars don't pollute like gasoline ones do so that makes them environmentally friendly. I believe in the future of electric cars. But there are some draw backs.
The Bosch AKE 30 Li feels light in the hands, but the torque packed into that engine is incredible. It oils itself to keep the chain from drying out, and it is easy to check the level of the oil. This is an important feature, because letting the oil run out will damage the chain, guide and workings of the saw in just a small amount of time. Another thing that adds to the easiness of the Bosch AKE 30 Li is ergonomics. The handle is made of a spongy material cobalt mines that is easy on the hands. This allows you to use the saw from several positions in comfort. This feature on the Bosch AKE 30 Li also will get you through hour after hour of sawing without much damage to your hands and wrists.
The typical lithium-ion battery lasts 2-3 years. Eventually oxidation lowers internal resistance, causing it to not be able to deliver the stored energy, even though the battery is charge. Lower current draw applications will add to the life vs. high draw devices with cobalt based Li batteries, like laptops, cameras, and cell phones.
Some cordless lithium ion batterty stocks drill models have two batteries so while one is charging the other can be used to power the drill. If you are going to be using a drill for hours at a time, then having two batteries on hand will really come in handy. The last thing you want is for your battery to die right in the middle of a project, and then having to wait for it to charge. If you see a cordless that you want to buy but only comes with one battery, just order another.
The problem cobalt ontario canada with the laptop battery arises when you start using your laptop as a Desktop Replacement. In other words, regularly using the laptop for extended hours (say 10/12 hours) on AC power along with the battery plugged-in. If you are using alternatively both the AC power and battery for long hours regularly, then there are so many chances that your battery life will go down. It is not because of your alternative usage with AC power, but by the heat that gets generated by your laptop during its operation. The life of a battery is more dependent on the temperature rather than its regular charging and discharging functions.
Avoid buying spares: Unlike wine and cheese, Li batteries do not improve with age. Avoid the temptation to buy spares, unless you use them frequently. Check the manufacture date, and never buy an old battery, even if on sale.
These scooters have ranges and speeds similar to the 2 wheel models above, with increased range for some models capable of carrying larger battery packs. As for cost, a few of the Zap models can be had for less than $1,000. The rest range on up to as much as $3,000 for a top of the line E-Bikeboard.