This article only applies to: E5-431, E5-471, E5-471G, E5-471P, E5-471PG, EK-471G, V3-472, V3-472G, V3-472P, and V3-472PG models
Early BIOS versions on these products may reduce CPU speed during low battery conditions. You can update the BIOS on your notebook to version 1.25 to resolve this issue.