LED Light for Anet A6 V2

This is a second version of the LED light for Anet A6 that I made some weeks ago.
The previous design that I made worked perfectly but I didn't really liked two things.

First of all it was too bulky (I made it as small as I could but the 12V battery was occupying (and wasting) most of the space. Plus, the Anet A6 printer has the X axes rods placed side by side so this means that you can see what you are printing just through the space under the "extruder body". Since I placed the battery rig