Electronic belt-fed

An electronic belt-fed (abbreviated as EBF with N-Strike number codes) blasters is a category of fully-automatic Nerf blasters released under the N-Strike series.

Details
As their names state, all EBF blasters run off of batteries and use belts to house darts for firing. The only electronic belt-fed blaster is the Vulcan EBF-25, which has two firing modes: automatic fire with the use of the batteries or single-fire by manually priming it.

History
The electronic belt-fed category was the first electronic N-Strike category, followed by the electronic clip system and electronic revolver categories.

According to The Ultimate Nerf Blaster Book, a rudimentary belt-feeding system was first made using a heavily modified Maverick REV-6 and scrap parts, utilizing the blaster's rotation mechanism to feed a belt through the blaster.

While under prototype stages, the Vulcan EBF-25 was known as the "Vulcan BF-50", which most likely meant the initial name for the category would have been simply belt-fed. This would have meant the category was not originally supposed to be battery-operated, or would include both motorized and non-motorized blasters. Despite this, The Ultimate Nerf Blaster Book revealed that the Vulcan BF-50 prototype was always meant to be electronically powered, and the large Vulcan BF-50 used for promotional events was still electronically operated.