Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_JoyBatteryEvent - Joystick battery level change event structure (event.jbattery.*)
HEADER FILE
Defined in SDL3/SDL_events.h
SYNOPSIS
#include "SDL3/SDL.h"
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;
AVAILABILITY
This struct is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.8 SDL_JoyBatteryEvent(3type)