If you are looking for a cordless screwdriver, you should inform yourself in advance. There are many models on the market that are suitable for a wide variety of situations. A mini cordless screwdriver is designed for small household tasks, an impact wrench is more suitable for work in the workshop or in the industry. There are a few things to keep in mind when purchasing, where usually only a review summary can help. However, basic information can be seen in the following text.
If you look at the countless offers in the online shop, you will notice that every model is equipped with numerous numbers – the technical data. You can use this data to help you find a good model. Especially with the battery and the performance, there are significant differences that can not be recognized at first glance.
These three terms are for the layman certainly the values that most likely cause confusion. All three terms are immensely important for the machine, because they determine the actual performance of the device. The power is always given in watts. Some manufacturers give this directly, but that’s not always the case.
If the power is not specified, it can be calculated with a multiplication of volts and ampere-hours. The voltage determines the voltage of the battery and the device and is usually an indication of how heavy and big a cordless screwdriver is. The higher the voltage, the bigger the device.
Tip! If you want to drill with your cordless screwdriver as well as screwing in screws, you should reach for a high voltage. In normal household screwdriving but enough models with low voltage.
The amp hours determine the capacity of the battery and give an approximate value of how long the battery can be used until it gives up the mind and must be charged.
The battery is the heart of the machine. If this is not sufficiently dimensioned, it must be constantly recharged. In this case, fast-charging batteries are recommended. These work with a lithium-ion technology and are usually also signposted as a battery with fast charging function. The difference is enormous. While normal rechargeable batteries charge in 1 or 2 hours, these models can be fully charged in just under 30 minutes. If you want to be flexible, you should use lithium-ion batteries that have such a function.