This is the complete internal saber core found in the NeoPixel versions of our EFX sabers. This saber core is complete and can be used to upgrade or repair any Crimson Dawn EFX saber. If your EFX saber is not a NeoPixel, this core will seamlessly upgrade your saber to NeoPixel!
All you have to do is remove the old core and slide this one in its place. An 18650 Li-Ion battery is INCLUDED with this unit. You can get the core by itself, or bundled with a blade, up to you!