Hmm.
XInput.h:
c++ code:
#if(_WIN32_WINNT >= _WIN32_WINNT_WIN8)
typedef struct _XINPUT_BATTERY_INFORMATION
{
BYTE BatteryType;
BYTE BatteryLevel;
} XINPUT_BATTERY_INFORMATION, *PXINPUT_BATTERY_INFORMATION;
Showing as commented out. If _WIN32_WINNT >= _WIN32_WINNT_WIN8 ?
:/