Nerf Vulcan EBF25 Li-on Battery Modification

The Nerf Vulcan requires 6 D type batteries to operate. Since these are hard to come by and are quite expensive (even more so if rechargable) I came up with a mod to use 3 18650 type Li-On rechargable batteries that can be picked up on Ebay pretty cheaply. They might run out of juice a little sooner than the D cells, but are fast to charge.

I designed this mod especially so that it doesn't require any modification of the original battery compartment. The 3 Li-On cells provide a little higher