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One battery for the whole tool: multi-platform battery series
The concept of using a universal battery for cordless tools is gaining momentum

Sparks, smoke, crunch and burning smell: what can break in a drill or screwdriver
We understand why drills and screwdrivers smoke, spew sparks, overheat, make strange sounds and work poorly

What is the best screwdriver?
Among thousands of screwdrivers, you can find one that surpasses the rest in all respects. Or is it impossible?

Drill chuck: types and differences
Specifics of different types of chucks for drilling and working with fasteners