Battery pack, battery module having the battery pack, power supplier having the battery module

摘要

The present invention discloses a battery pack, a battery module including the battery pack, and a power supply device including the battery module. The battery pack includes a first-type battery cell and a second-type battery cell different in output and capacity from the first-type battery cell, and is arranged to surround the first-type battery cell along the circumference of the first-type battery cell, , and a plurality of second type battery cells connected in parallel with the first type battery cells. Advantageous Effects of Invention According to the present invention, a high-output, high-capacity battery pack capable of generating a high output instantaneously and preventing a shortened lifespan in the long term, a battery module including the same, and a power supply device can be provided.