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Cordless screwdriver: ideal for use without power supply

Compared to a large drill, a cordless screwdriver is faster to hand. Thanks to powerful and replaceable rechargeable battery, the device can be used anywhere – even where there is no power supply. Find out in our guide which functions a cordless screwdriver has and what is important when you buy it.
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What was a cordless screwdriver
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What types of cordless drills are available?
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Advantages and disadvantages of cordless screwdrivers
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What types of rechargeable batteries are available?
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What do ich have to pay attention to when buying a cordless screwdriver?
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Our practical tip: Take battery voltage into account when buying!
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FAQ - frequently asked questions about cordless screwdrivers
What was a cordless screwdriver
A cordless screwdriver is a real multi-talent: As with a conventional drill, you can drill holes with a battery-operated device. Please note that a normal cordless screwdriver has no impact mechanism.
This means that drilling in solid concrete or brick is not possible. In order to master such challenges, you need a cordless impact drill driver. A cordless screwdriver not only replaces a drill, you can also screw in or out screws with such a device. For this purpose, cordless screwdrivers have a clockwise/anti-clockwise rotation as well as a variable and finely adjustable speed.
The biggest advantage of a cordless drill driver is its rechargeable battery. This means that the cordless screwdriver is quickly at hand and extension cables that have to be laid across a construction site are a thing of the past. Cordless screwdrivers prove to be extremely practical in customer service:
The work can be carried out immediately without the need to lay a cable through the customer's house in order to supply the device with power.
The rechargeable battery of a cordless drill driver can be replaced quickly, so that there is no delay in the work. It is recommended that at least two rechargeable batteries are always available for a cordless screwdriver. While one is in use in the device, the other in the charger can be recharged.
What types of cordless drills are available?

The normal cordless screwdriver is intended for quick screwing of screws, while a cordless drill driver can also be used to drill holes. A real specialist is the cordless impact driver: With this device, fixed screws can be loosened in no time at all.
Tightening screws, for example when changing tires, is also possible without any problems and without exertion. To drill holes in hard materials, a cordless impact driver is the right tool. With its built-in impact mechanism, such a device is also suitable for demanding tasks.
However, if slots are to be created for cables or pipes in a wall, a simple cordless hammer drill driver is no longer sufficient. Then the handle is recommended for a particularly powerful battery-operated hammer drill.
Advantages and disadvantages of cordless screwdrivers

In general, cordless drill drivers offer the same performance as drills. The great advantage of cordless screwdrivers is the independence from the mains supply, which was a high flexibility when using them. Depending on the model, the devices also have a low dead weight, was this enables fatigue-free working over a longer period of time.
This excludes the professional cordless drill hammers. However, the operating time with a rechargeable battery charge is limited. The more demanding the work, the more frequently the battery in the charger needs to be charged. Therefore, a wired device is still recommended for continuous use on the construction site.
What types of rechargeable batteries are available?

Different types of rechargeable batteries are used in cordless screwdrivers and cordless impact screwdrivers. Below we will introduce you to the most commonly used battery types: Nickel-cadmium batteries may only be used for tools due to the cadmium, as the material is highly harmful to the environment.
Such batteries are subject to the memory effect and have a lower capacity than other battery types. However, this type of battery is very robust and has a low temperature sensitivity. In addition, a nickel-cadmium battery can withstand up to 1500 charging cycles.
A nickel-metal hydride battery, on the other hand, has a considerably higher capacity than a nickel-cadmium battery. However, this is bought by a smaller number of 500 to 1000 charging cycles.
Instead of the memory effect, this type of battery can cause the so-called battery inertia effect.
What do ich need to pay attention to when buying a battery screwdriver?
When purchasing a cordless drill driver, the capacity of the battery must be observed. A 5 Ah rechargeable battery is a common size for a professional device. The larger the battery size, the longer the possible operating time will be lost.
For professional applications, the device must also provide a high torque of at least 48 Nm. As far as the battery is concerned, you should only use lithium-ion batteries today, as there is no memory effect here.
Many manufacturers produce rechargeable batteries that can be used for different devices. It can therefore make sense to define the products of a company. Keep in mind that a normal cordless screwdriver is best suited for drilling in soft material. For working on hard materials such as concrete, a cordless hammer drill is required.
Pay attention to the charger when you buy it: Some manufacturers offer special quick chargers, with which the battery can be used again much faster. It may be helpful during work if the device has a built-in LED light.

Thus, you have everything in view when drilling even under unfavorable light conditions. An important criterion is also the type of drill chuck: In addition to the normal drill chuck, the SDS quick-action chuck is available. You can only use a normal drill chuck to hold particularly thin drill bits and bits.
Special drills are required for an SDS keyless drill chuck. When you buy a new one, it is worth taking a look at offers that include, in addition to the cordless screwdriver, various accessories such as a drill or bit set.
Our practical tip: Take battery voltage into account when buying!
Frequently asked questions about cordless screwdrivers
What was SDS Plus?
SDS-Plus is a special drill shaft system originally developed by Bosch. It is used for drilling machines and hammer drills.
What was to be ich note if ich wants to drill thin sheets?
Caution is important for thin sheets, because the material can tear very quickly. It is best to place the sheet between two thin wooden boards. This gives you a clean result and no more tearing of the material.