###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_JoyBatteryEvent Joysick battery level change event structure (event.jbattery.*) ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_events.h) ## Syntax ```c typedef struct SDL_JoyBatteryEvent { SDL_EventType type; /**< SDL_EVENT_JOYSTICK_BATTERY_UPDATED */ Uint32 reserved; Uint64 timestamp; /**< In nanoseconds, populated using SDL_GetTicksNS() */ SDL_JoystickID which; /**< The joystick instance id */ SDL_PowerState state; /**< The joystick battery state */ int percent; /**< The joystick battery percent charge remaining */ } SDL_JoyBatteryEvent; ``` ## Version This struct is available since SDL 3.0.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIStruct](CategoryAPIStruct), [CategoryEvents](CategoryEvents)