In the arsenal of even the most unskilled man, there must be at least a simple screwdriver. Without this trivial tool it is difficult to imagine how to assemble the furniture itself or carry out minor equipment repairs. Scope of the screwdriver today is extremely wide. In this case, it itself has changed - on sale you can find a cordless screwdriver.
What is a battery screwdriver?
If a year you spin no more than a dozen bolts or screws, you probably do not know that after a frequent use of a screwdriver, calluses appear on the hands, the hands themselves are very tired. Avoid unpleasant sensations will help the battery screwdriver, which turns difficult physical work into pleasure.
This small tool easily fits in your hand. According to the principle of work, it resembles a screwdriver. Under the plastic housing is an electric motor, which operates from rechargeable batteries. This means that the tool can be taken to the place where there is no outlet. When the button is pressed, the motor shaft starts to rotate, driving the spindle in the direction you need - twist or unwind.
Types of battery screwdrivers
Manufacturers offer a variety of types of battery screwdrivers:
- The habitual elongated shape is characterized by a thicker handle than the usual screwdriver. This tool is easier to work in hard-to-reach places.
- L-shaped screwdriver in the form of a pistol is the most popular option. Thanks to the ergonomic handle, the hand of the worker practically does not get tired.
- For universal battery screwdrivers, a movable handle, the tool can, if necessary, acquire an elongated or L-shaped shape.
- T-shaped version - not the smallest battery screwdriver. Such a tool assumes, in case of battery discharge, the possibility of twisting / unscrewing the screw.
Cordless screwdrivers - how to choose?
To select a quality model, you need to pay attention to a lot of nuances. In addition to the shape of the case, take into account the characteristics of the battery. As a rule, such tools use either a lithium-ion or a nickel-cadmium battery. The latter option allows you to work with a screwdriver in all weather conditions. In doing so, be prepared to face the fact that at the wrong time the nickel-cadmium battery will fail, suddenly discharged. At the same time, lithium-ion batteries keep the charge stably, but they do not accept unfavorable working conditions at all.
The battery capacity determines how long you can use the tool after the charge. However, note that a large capacity requires a long charge.
The ability to adjust the torque allows you to choose the speed of screwing a particular bolt, especially when working with delicate materials.
Additional functions like backlight, battery charge indicator, reverse, rubberized handle only facilitate work. Overall models are more powerful and, accordingly, more expensive. A rechargeable mini-screwdriver, although a low-power tool, is indispensable where it is usually difficult to get.
Today, the market offers a lot of quality battery screwdrivers from well-known brands. Of the relatively affordable can be called products from domestic manufacturers, "Interskol", "Zubr". The middle segment is represented by a battery screwdriver from Makita, Skil, Sparky Professional. Cordless screwdrivers from "Bosch", "AEG", "Hitachi" can be confidently called models of professional level.