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|1. (WO2018161324) CYLINDRICAL LITHIUM BATTERY PACK|
|Applicants:||SHENZHEN PUYI BATTERY TECHNOLOGY CO., LTD
|Title:||CYLINDRICAL LITHIUM BATTERY PACK|
A cylindrical lithium battery pack. The cylindrical lithium battery pack comprises at least two battery modules which are sequentially connected from left to right along a straight line direction, and each battery module comprises: a left battery holder (1), a right battery holder (2), a battery core layer arranged between the left battery holder and the right battery holder, and locking screws for locking and fixing the left battery holder and the right battery holder together; in any two adjacent battery modules, the right battery holder of the battery module on the left side and the left battery holder of the battery module on the right side are locked and fixed by means of the screws, and a first intermediate parallel current-carrying sheet (4) and a second intermediate parallel current-carrying sheet (5) are sandwiched therebetween; a serial current-carrying sheet (6) is fixed to the left side part of the left battery holder of the battery module at the leftmost end; and an anode output parallel current-carrying sheet (7) and a cathode output parallel current-carrying sheet (8) are fixed to right side part of the right battery holder of the battery module at the rightmost end. The cylindrical lithium battery pack has the advantages of simple assembly, stable structure and easy maintenance.