Guides

Guides 27/09/2026 INVENTĀRS

What V, Ah and Nm mean

On a battery and a drill label you almost always see three letters: V, Ah and Nm. In the shop they are often folded into one sentence — “bigger means more powerful”. That is wrong. Each measures its own thing, and if you confuse them you buy the wrong battery or expect from the machine what it never promised. Examples from Scheppach batteries and cordless drills. For choosing the machine itself: how to choose a cordless drill. V — voltage and platform Volts (V) are battery voltage. SBP2.0 and SBP4.0 are both 20 V. BC-CD50SC-X kit also runs on 20 V. The same V means one manufacturer voltag..