The drill, which is an important tool settings which allow them to be used for driving screws. One more popular configuration for this cordless drills is the right angle drill, which allow a worker to drive screws in tight spaces.
Early cordless drills started with interchangeable 7.2 V battery packs, but over the years increased battery voltages. This is because most craftsmen are relying on the power of their tools to be able to finish more work. The most common voltage for power drills today are 18 volts, but there are also 24V drills in the market. Most manufacturers use lithium ion drillbatteries which are better than the traditional nickel-cadmium packs, because of longer life, less instances of self-discharging and short-circuiting due to dendrite growth. Lithium-ion batteries hold charge for significantly longer time as compared to nickel-cadmium batteries.
Voltages of cordless drills means their torque, which is the tendency of a force to rotate an object about an axis, fulcrum or pivot. Just as a force is a push or a pull, a torque can be thought of as a twist. The higher voltage of a drill, the higher its torque. That means 24V drills can produces more torque, even as much as AC mains-powered drills. Another benefit of 24V cordless drill is its mobility as opposed to corded drills.
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