Index: uspace/lib/c/include/ipc/dev_iface.h
===================================================================
--- uspace/lib/c/include/ipc/dev_iface.h	(revision 4f351432d21e2c889393f336e48aeea989006267)
+++ uspace/lib/c/include/ipc/dev_iface.h	(revision ef9a2a897b47371cfb43b8b8bb95ad044136eccf)
@@ -56,4 +56,6 @@
 	/** Interface provided by Real Time Clock devices */
 	CLOCK_DEV_IFACE,
+	/** Interface provided by battery powered devices */
+	BATTERY_DEV_IFACE,
 	/** Interface provided by AHCI devices. */
 	AHCI_DEV_IFACE,