Patent ID: 9112246
Filing Date: 2015-08-18
Classification: H01M,Y02E

Abstract:
1. A battery pack, comprising: at least one rechargeable battery cell; a protective circuit module electrically connected to the battery cell; a pack case accommodating the battery cell and the protective circuit module; and a battery gauge, the battery gauge comprises: a circuit board; a plate on the circuit board having an approximate + shape; a plurality of light emitting devices electrically connected to the battery cell on the circuit board and turned on or off according to a voltage of the battery cell; a display unit disposed outside the pack case at positions corresponding to the light emitting devices; and a plurality of partition wall guiding lights extending at 90 degrees from the plate, each of the plurality of partition wall guiding lights has three walls with a center wall attached to two outer walls at angles of greater than 90 degrees and less than 180 degrees, wherein the three walls of each of the plurality of partition wall guiding lights partially surrounds one of the plurality of light emitting devices, wherein the outer walls of adjacent partition wall guiding lights do not connect with any other structure except the plate and the center wall and form an open portion corresponding to a region without light emitting devices where extensions of the approximate + shaped plate exist.