Cordless bench grinders and polishers

Battery powered

— battery powered machines. Such power makes the tool autonomous and allows you to work even if there are no outlets nearby. On the other hand, it is not suitable for high power units, the machines themselves are heavier and more expensive than similar mains powered models; and the operating time is limited, and when the battery is exhausted, you will have to look for a power source and wait until it is charged. Yes, and it is not so often necessary to use grinding and grinding machines away from outlets. As a result, battery models have not received much distribution; these are mainly units for sharpening chains (see "Sharpening"), designed for use "on the road", away from the mains.