The RapidStrike CS-18 is a fully automatic Nerf blaster that was released on September 1, 2013 under the N-Strike Elite series. It requires four "C" batteries to
Amazon.com: Nerf CS-18 N-Strike Elite Rapidstrike (Colors may vary): Toys & Games.. under 3 years. -Requires 4 C batteries (not included). Read more .
where is the battery compartment for the Nerf n Strike elite rapidstrike cs-18. The battery compartment is in the orange section directly beneath the gun barrel.