Check out N4TRB's ARES Boombox!
It can be found here.
Parts List

Sylvania 1073 12 vdc 1.8a 23.04 w bulb (for charge current limiting)
Radio Shack (RS) Self-adhesive telephone wire clips 278-1667A
RS Cable/Utility Clips 278-1640A
Signa Max 2-port bracket DA-2-WH (from Micro Center)
Signa Max Category 5e Keystone Jack KJ458-CSE-RD
Signa Max Category 3 Keystone Jack KJ126-C3U
RS SPST Illuminated Rocker Switch 275-692
RS SPST Mini Toggle Switch 275-324
RS SPST Mini Toggle 275-634
RS Heavy-Duty Center-Off Auto Flip Switch 275-710A
Panel Mount Fuse Holders (quantity 5)
RS PC Board Standoffs 276-195
RS SPDT Automotive Flip Switch 275-711
RS SPST Flip Switch 275-701
Stanley 24" Tool Box, Home Depot 076174920673
RS Heat-Shrink Tubing 278-1627B
RS 3-conductor stereo 1/8" Phone Jack 274-249
PowerSonic PS-6360 F2 battery (quantity 2)
3/4" x 36" Flat 1/8" thick aluminum
3/4" x 48" Angle 1/16" thick aluminum
#8-32 x 1/2" Machine screws, round head slotted
#8-32 Machine screw nuts
#8 Washers
Avery WeatherProof White Labels (LASER) 15516