Double Battery Case

This is a simple case for 2 Samsung Galaxy S4 Batteries. the 2mm thick Plate goes between the batteries. As shown in the photos, I have soldered the connections in Parallel to give 3.7v and 5,200mAh for a project.

Update:
I have finally completed my project with this as the last part. there is just enough room inside the box for the cables to be knotted on the inside of the cable path to give it more durability when cables are pulled from the outside. as you can see i also used quite a bit o