Patent ID: 9172115
Filing Date: 2015-10-27
Classification: B25F,H01M,H05K,Y02E

Abstract:
1. A battery pack comprising: a housing including an inner cavity, an interface for receiving a power tool, and drain holes on a base portion of the housing; battery cells positioned within the cavity; a first latch member extending through the housing; a second latch member extending through the housing, the first and second latch members operable to secure the battery pack to the power tool; electrical terminals electrically coupled to the battery cells and operable to interface with the power tool; a latch cover within the inner cavity of the housing supporting the first and second latch members; a first water discharge pathway extending along the latch cover, downward along a first space between the battery cells and the housing, to the drain holes; wherein the first water discharge pathway directs water infiltrating the battery pack to the drain holes; a terminal cover including openings; and a second water discharge pathway including multiple substantially parallel channels extending from the openings of the terminal cover, downward along a second space between the battery cells and the housing, to the drain holes, wherein the second water discharge pathway directs water infiltrating the battery pack to the drain holes.