This USB-C charger is compatible with "the Battery" only, and will not charge the Batteryboks 2 which does not have USB-C.

Specifications
Weight: 5,8 oz
Cable length: 4 ft USB cable, 2,6 ft mains cable
Input: 100-240 V AC, 50-60Hz, 1.8A
Output: USB-PD up to 65W

*Battery and Speaker in images are not included.