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20 Lithium Cordless
18v Power Tools - The Advantages
The advances in technology in cordless power tools have developed rapidly over the past several years. First off NiMH batteries mainly replaced Ni-Cad batteries in cordless power tools, and now NiMH batteries are being gradually replaced by new Lithium-ion (Li-ion for short) batteries within the industry. Most of the main tool manufacturering brands are now powering their cordless power tools with 18v Li-ion batteries. One such manufacturer being Makita, whose 18v power tools are leading the way in the use of this new technology.
Li-ion batteries have been used in other electronic devices for a while, for example laptop computer batteries, but is only recently that they have become popular in cordless power tools. It is a big advancement in the building and DIY industries as Li-ion batteries have many advantages over older type batteries. The new 18v power tools offer benefits to both professional tradespeople and people who do DIY at home or as a hobby, alike.
The speedy charging time is one of the main advantages of a Li-ion battery powered cordless tool. Li-ion batteries can totally re-charge in under 30 minutes whereas other batteries take at least a couple of hours.
This could waste time and money while on a job, or simply be very frustrating if you've forgotten to charge a tool that you want to use immediately. Using traditional cordless power tools you have to remember to put them on charge the night before, or at least a few hours before you want to use them.
Another advantage of Lithium-ion batteries over Ni-Cad and NiMH batteries is that they hold their charge rather than lossing it over time. You can charge a Li-ion battery and leave it for a couple of months and when you come to use it again it will still have some power. If you charged a NiMH battery and left it for several weeks it would probably have no charge left when you came to use it so you'd need to charge it before you could use it.
Lithium-Ion batteries sometimes come in packs of two anyway, so you can use your power tool all day without having to stop and charge the battery even once. They offer another advantage over traditonal type batteries as well, as they are very light in comparison to how much power they give. This makes them convenient and easy to use, even for the inexperienced person or hobbyist who is perhaps less accustomed to holding a tool up for long periods of time. Unless you are quite fit and strong holding a power tool at eye height for a period of time can make you ache.
The future of cordless power tools seems to be Lithium-ion battery 18v power tools, as they have so many advantages over more traditional battery powered tools. Many professionals are using 18v power tools already and it looks certain that hobbyists and home DIY-ers will follow suit to get all the benefits of this technology.
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