diff --git a/hardware/keyboardio/cores/keyboardio/USBCore.cpp b/hardware/keyboardio/cores/keyboardio/USBCore.cpp
index 113926e3..71ec13c6 100644
--- a/hardware/keyboardio/cores/keyboardio/USBCore.cpp
+++ b/hardware/keyboardio/cores/keyboardio/USBCore.cpp
@@ -45,6 +45,7 @@ extern const u16 STRING_IPRODUCT[] PROGMEM;
 extern const u16 STRING_IMANUFACTURER[] PROGMEM;
 extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM;
 extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM;
+int usbMaxPower = 500;
 
 const u16 STRING_LANGUAGE[2] = {
 	(3<<8) | (2+2),
diff --git a/hardware/keyboardio/cores/keyboardio/USBCore.h b/hardware/keyboardio/cores/keyboardio/USBCore.h
index 4413537a..fe38a532 100644
--- a/hardware/keyboardio/cores/keyboardio/USBCore.h
+++ b/hardware/keyboardio/cores/keyboardio/USBCore.h
@@ -291,7 +291,7 @@ typedef struct
 	{ 18, 1, 0x200, _class,_subClass,_proto,_packetSize0,_vid,_pid,_version,_im,_ip,_is,_configs }
 
 #define D_CONFIG(_totalLength,_interfaces) \
-	{ 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED | USB_CONFIG_REMOTE_WAKEUP, USB_CONFIG_POWER_MA(500) }
+	{ 9, 2, _totalLength,_interfaces, 1, 0, USB_CONFIG_BUS_POWERED | USB_CONFIG_REMOTE_WAKEUP, USB_CONFIG_POWER_MA(usbMaxPower) }
 
 #define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \
 	{ 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 }