Excellent Security: This outlet adapter built in fuse to protect your device, safe charging design provides protection against short-circuits, over-current, under-voltage, low-load, over-heat, over-voltage, over-load, and over-drain situations. (You need to take the battery off when finished your work, otherwise it will drain your battery. )
Package Contents: 2 x 200W power inverters only, battery and USB or Type-C cable are not included.