Two 18650 LI-ION batteries and a universal charger
AC: 110V - 240V, 50-60Hz, DC: 5.5V / 450mA
This Charger is ONLY for use with the Hulk Ultra and Spartan Series lasers.
Suitable for use with Infrared lasers. These laser safety glasses provide complete eye protection against IR lasers with wavelengths from 760nm to 1100nm.