POWER BATTERY AND BATTERY MODULE

The disclosure relates to a power battery and a battery module. The power battery includes: a case including an opening; a first cap assembly covering the opening and including a liquid injection hole, and an electrode assembly disposed in the case. An end of the electrode assembly extending out of a tab is disposed opposite to the first cap assembly. The liquid injection hole includes a first inlet and a first outlet, the first cap assembly includes a first blocking member, the first blocking member is disposed between the first outlet and the electrode assembly, and the first blocking member at least partially blocks the first outlet