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Because this chip is frequently found in original equipment manufacturer (OEM) laptop batteries, it is a common subject in battery repair and "re-celling" communities.
A common question among design engineers: Why use the bq40370 when the BQ40Z50 is newer?
: Many bq40370-based batteries feature a D6SA3-12 thermal fuse . If the battery is electrically "dead" but the cells have voltage, check if this fuse has blown; replacing it can often restore functionality.
