It's a battery - that's also a real Danksaber! Embrace the fusion of galactic adventure and functionality with the Danksaber Penjamin by Smyle™ Labs. With its patented design that mirrors a legendary lightsaber, this cartridge lightsaber penjamin elevates your experience to new realms of excitement and convenience. Made with high-quality materials and built to last (cart not included).

Product detail: 

* 4 different colors 

*  3 adjustable temperature settings

* Compatible with 2g, 1g and 0.5g cartridges

* Uses a USB-c charger