US 11,949,273 B2
Method for managing charging and discharging of parallel-connected battery pack, electronic device, and electrical system
Di Zhong, Dongguan (CN); and Si Zeng, Dongguan (CN)
Assigned to Dongguan Poweramp Technology Limited, Dongguan (CN)
Appl. No. 17/281,667
Filed by Dongguan Poweramp Technology Limited, Dongguan (CN)
PCT Filed Feb. 9, 2021, PCT No. PCT/CN2021/076382
§ 371(c)(1), (2) Date Mar. 31, 2021,
PCT Pub. No. WO2021/190196, PCT Pub. Date Sep. 30, 2021.
Claims priority of application No. 202010230929.9 (CN), filed on Mar. 27, 2020.
Prior Publication US 2022/0123576 A1, Apr. 21, 2022
Int. Cl. H02J 7/00 (2006.01); G01R 31/3835 (2019.01)
CPC H02J 7/007182 (2020.01) [G01R 31/3835 (2019.01); H02J 7/0013 (2013.01); H02J 7/0029 (2013.01); H02J 7/0048 (2020.01); H02J 7/005 (2020.01)] 14 Claims
OG exemplary drawing
 
1. A method for managing charging and discharging of a plurality of battery packs connected in parallel, comprising:
obtaining a voltage value and a state of charge of the plurality of battery packs connected in parallel;
comparing the voltage value and the state of charge of each of the plurality of battery packs with a reference voltage value and a reference state of charge; and
managing charging and discharging of the plurality of battery packs based on a comparison result, and managing the plurality of battery packs connecting to a power bus based on the comparison result.