English (West Midlands): of uncertain origin; possibly a nickname for an unruly child, or somebody who behaved like one, though this sense of brat is not recorded by OED before the 16th century. Alternatively, it may be derived from the older word brat(te) âapronâ, âpinaforeâ (of Celtic origin), as a nickname for someone who habitually wore one. View more Surname facts for Bratt More Resources
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Understanding batteries in Mac notebooks. MacBook, MacBook Air, and MacBook Pro computers come with lithium polymer batteries to provide maximum battery life in a compact space. To understand battery technology and battery life, it's good to know common battery terminology: Cycle count: Batteries are expected to function for a certain number of cycles.