i wanted to do a "solar something" like that for a long time and this was the trigger.
Step 1: Stuff You Need:
*Solar panel (in my case 12v 5W ≈ ±$10) - some good advice - buy a bigger one!
*Battery (in my case 12v 7ah ≈ ±$25)
*Solar charger (cmp 12 12/24v ≈±$8)
*Load sockets (i bought a set on eBay with two USB sockets and a car lighter socket ≈ don't remember price)
*Wires (i used a power cable and took out the wires
*fuzes (one 10A fuse is enough but used five just because they come in a pack. ( on eBay ≈ don't remember price)
*Most important - one sleeping baby!
Step 2: Tools You Need:
*Hot glue gun
Step 3: Connect the Diode
finish with the hot glue gun and make sure everything is covered.
Step 4: Assembling the Load Sockets
I made the mistake of connecting the battery last. i placed it in the far end of the box and now its not balanced when i carry it around.
To place the sockets i used a soldering pen to cut holes through the box and fitted the sockets.
Step 5: Connecting the Components
I intend to put one more load option, a wire with an alligator snaps (if that's how you call it...)