That's normal behavior for Motorola phones. For some reason the battery driver outputs the level in 10% increments. 1% increments are output as well to a different file; CM7 and other apps and ROMs will read that file instead.
A forum community dedicated to Android phone owners and enthusiasts. Come join the discussion about applications, recovery, developments, styles, reviews, accessories, classifieds, and more for Unbuntu, Google Nexus, HTC, Motorola, Samsung or other Android models!