you need 2
yes
To fire automatically, you do, but the Vulcan can fire single-shot and does not need batteries to do so.
i am pretty sure it only takes a couple of AA batteries i am definitely sure you dont need D sized batteries like vulcan and stampede
It can, but you will need a alternate mechanism to run the automatic loading and firing of the darts that will run without power.
According to various toy websites, the Nerf Big Bad Bow does not require batteries.
You need 4 D's. I know that sounds like a Rip-off, but it totally keeps working for a long time.
Most Nerf dart blasters do not need any form of electricity as they are spring-loaded, pull-back-and-fire mechanism. For those that do require batteries, usually those will be something that are motorized (such as the Stampede and Vulcan).
No, the Barrel Break IX-2 does not need batteries.
yes
no
Yes, six sized D batteries.
is doesn't need batteries