POWER CABINET

This disclosure provides a power cabinet. The power cabinet includes M modules, N plug-in components, and N locking apparatuses. The M modules are sequentially stacked from top to bottom. The N plug-in components are configured to lead out a power line and/or a signal line. A pmodule and a (p+1)module are electrically connected by using a pplug-in component, the pmodule and the (p+1)module are connected by using a plocking apparatus, M, N, and p are all integers, M≥3, N=M−1, 1≤p≤M−1, at least one of the M modules is a battery management module, and remaining modules of the M modules are battery modules.