US 11,855,299 B2
Electric energy storage device and electric tool system
Chuanjun Liu, Changzhou (CN); and An Yan, Changzhou (CN)
Assigned to Globe (Jiangsu) Co., Ltd., Changzhou (CN)
Filed by Globe (Jiangsu) Co., Ltd., Changzhou (CN)
Filed on Jun. 10, 2021, as Appl. No. 17/344,940.
Application 17/344,940 is a continuation of application No. PCT/CN2019/114230, filed on Oct. 30, 2019.
Claims priority of application No. 201811564074.2 (CN), filed on Dec. 20, 2018; application No. 201811564236.2 (CN), filed on Dec. 20, 2018; application No. 201811564279.0 (CN), filed on Dec. 20, 2018; application No. 201811566089.2 (CN), filed on Dec. 20, 2018; application No. 201822145919.6 (CN), filed on Dec. 20, 2018; application No. 201822145933.6 (CN), filed on Dec. 20, 2018; application No. 201822146566.1 (CN), filed on Dec. 20, 2018; application No. 201822146585.4 (CN), filed on Dec. 20, 2018; and application No. 201822146597.7 (CN), filed on Dec. 20, 2018.
Prior Publication US 2021/0305617 A1, Sep. 30, 2021
Int. Cl. H01M 50/269 (2021.01); H01M 50/247 (2021.01); H01M 50/519 (2021.01); H01M 50/509 (2021.01); H01M 50/204 (2021.01); B25F 5/00 (2006.01); B25F 5/02 (2006.01); H01M 10/04 (2006.01); H01M 10/42 (2006.01); H01M 10/46 (2006.01); H02J 7/00 (2006.01); H01M 50/543 (2021.01); H01R 13/05 (2006.01); H01R 13/11 (2006.01); H01M 50/50 (2021.01)
CPC H01M 50/269 (2021.01) [B25F 5/00 (2013.01); B25F 5/02 (2013.01); B25F 5/023 (2013.01); H01M 10/0445 (2013.01); H01M 10/4207 (2013.01); H01M 10/46 (2013.01); H01M 50/204 (2021.01); H01M 50/247 (2021.01); H01M 50/50 (2021.01); H01M 50/509 (2021.01); H01M 50/519 (2021.01); H01M 50/543 (2021.01); H01R 13/05 (2013.01); H01R 13/113 (2013.01); H02J 7/0024 (2013.01); H02J 7/0063 (2013.01); H01M 2220/30 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An electric energy storage device comprising:
four energy units with a substantially same voltage value, wherein each energy unit is provided with a positive electrode and a negative electrode; and
a socket including eight independently arranged electrode terminals, comprising:
four positive terminals respectively connected with positive electrodes of the four energy units, and
four negative terminals respectively connected with negative electrodes of the four energy units, wherein
the eight electrode terminals are evenly distributed into an upper row and a lower row,
the four electrode terminals in the upper row are sequentially a fourth negative terminal, a second negative terminal, a third positive terminal, and a first positive terminal, and
the four electrode terminals in the lower row are sequentially a first negative terminal, a third negative terminal, a second positive terminal, and a fourth positive terminal.