SDL_PowerState.3type - Man Page

#include <SDL3/SDL_power.h>

typedef enum SDL_PowerState
{
    SDL_POWERSTATE_ERROR = -1,   /**< error determining power status */
    SDL_POWERSTATE_UNKNOWN,      /**< cannot determine power status */
    SDL_POWERSTATE_ON_BATTERY,   /**< Not plugged in, running on the battery */
    SDL_POWERSTATE_NO_BATTERY,   /**< Plugged in, no battery available */
    SDL_POWERSTATE_CHARGING,     /**< Plugged in, charging battery */
    SDL_POWERSTATE_CHARGED       /**< Plugged in, battery charged */
} SDL_PowerState;

These are results returned by SDL_GetPowerInfo().

This enum is available since SDL 3.2.0.