###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.) # SDL_PowerState The basic state for the system's power supply. ## Header File Defined in [SDL_power.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_power.h) ## Syntax ```c typedef enum SDL_PowerState { 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; ``` ---- [CategoryAPI](CategoryAPI), [CategoryAPIEnum](CategoryAPIEnum), [CategoryPower](CategoryPower)