Battery and power equipment with same

The utility model provides a battery and a power device with the battery, the shell assembly comprises a shell, an accommodating cavity is formed in the shell, a boss protruding downwards is formed at the bottom of the shell, and an explosion-proof hole communicated with the accommodating cavity is formed in the boss; and the explosion-proof valve is arranged on the shell and is positioned at the position of the explosion-proof hole. According to the battery disclosed by the utility model, the boss which protrudes downwards is formed at the bottom of the shell, and the anti-explosion valve is arranged on the anti-explosion hole of the boss at the bottom, so that the structural strength of the bottom of the shell can be improved, the height of the bottom of the shell can be increased, and electrolyte deposited at the bottom of the battery is prevented from entering an anti-explosion area to pollute and corrode the anti-explosion valve; and the explosion-proof valve is arranged at the bottom, so that a sprayed