US 12,355,280 B2
Battery pack
Huage Wang, Changzhou (CN); Chuntao Lu, Changzhou (CN); Xian Zhuang, Changzhou (CN); and Baoan Li, Changzhou (CN)
Assigned to Greenworks (Jiangsu) Co., Ltd., Changzhou (CN)
Filed by Greenworks (Jiangsu) Co., Ltd., Changzhou (CN)
Filed on Sep. 26, 2023, as Appl. No. 18/475,184.
Application 18/475,184 is a continuation of application No. 17/340,107, filed on Jun. 7, 2021, granted, now 11,804,722.
Claims priority of application No. 202010516894.5 (CN), filed on Jun. 9, 2020.
Prior Publication US 2024/0022091 A1, Jan. 18, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 7/00 (2006.01); H01M 10/42 (2006.01); H01M 10/44 (2006.01); H02J 7/34 (2006.01)
CPC H02J 7/0024 (2013.01) [H01M 10/425 (2013.01); H01M 10/441 (2013.01); H02J 7/0019 (2013.01); H02J 7/0045 (2013.01); H02J 7/0063 (2013.01); H02J 7/007 (2013.01); H02J 7/342 (2020.01); H02J 2207/30 (2020.01)] 20 Claims
OG exemplary drawing
 
1. A battery pack, comprising:
a housing;
a plurality of battery sets, arranged in the housing; and
a power supply system, comprises:
a switch control circuit, connected to the plurality of battery sets, for controlling a series-parallel connection mode of the plurality of battery sets;
a main control chip, connected to the plurality of battery sets and the switch control circuit, for controlling the discharge of the plurality of battery sets by the switch control circuit;
a wake-up circuit, connected to the main control chip for waking up the power supply system of the battery pack when the main control chip receives a wake-up signal;
a self-locking circuit, connected to the switch control circuit, wherein the switch control circuit switches to a disabled state when the self-locking circuit is triggered; and
a USB circuit and an extended power output interface, connected to the plurality of battery sets for outputting power to charge external devices.