Specs from the makers' own documentation Battery compatibility built in UK retailer prices, updated daily 25+ years of trade experience
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Tool comparison

Einhell TE-RS 40 E vs Mirka DEROS II 550

They differ in 5 of 7 areas. Specs, battery platforms and every way each one is sold, from the makers' own figures.

They differ in 5 of 7 areas

No overall winner: these are the figures that separate them, from each maker's own documentation.

SpecEinhell TE-RS 40 EMirka DEROS II 550
Weight1.68kg1kg
Vibration (sanding)5.167 m/s²3.2 m/s²
Noise83.3 dB(A) LpA / 94.3 dB(A) LwA71 dB(A) LpA / 82 dB(A) LwA
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