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Mains. The clipper is powered by a 230 V electrical network. The benefit of this power source is the unrestricted operational duration (no need for periodic battery recharging). However, drawbacks include the necessity of an available electrical outlet and the limitation imposed by a power cord, which can impede movement and cause operational inconvenience.
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Battery. The clipper is powered by its own built-in battery. On the one hand, this gives maximum freedom of movement (since there is no power cord) and battery life — such devices can be used even where there is no electrical network. On the other hand, the battery life is limited, it must be constantly recharged — otherwise there is a risk that the charge is exhausted at the most inopportune moment (for example, during the haircut).
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Batteries. The clipper is powered by interchangeable batteries. In terms of its primary pros and cons, this power source resembles battery power (as mentioned earlier). However, in contrast to built-in batteries, replaceable batteries offer less capacity, making them suitable for low-power devices like nose trimmers (see Type) that don't demand prolonged usage. On the positive side, replaceable batteries allow for swift replacement when depleted, whereas a built-in battery would necessitate a lengthier recharging process in such instances.
The weight of the clipper/trimmer is especially important when the device is planned to be used often and for a long time. The
less the clipper/trimmer weighs, the less the user's hand will get tired. Of course, there is a direct relationship between the mass of the device and its performance. Powerful clippers/trimmers use a larger and heavier motor. Additionally, the weight of the device increases due to the presence of a battery pack.
