I like this design for PVC pipe to hold a bunch of batteries. The author is a little light on sizes he ended up using. Also I think I would use different bits for the ends.
http://www.instructables.com/id/PVC-tube-battery-AA-battery-holder/
I like this design for PVC pipe to hold a bunch of batteries. The author is a little light on sizes he ended up using. Also I think I would use different bits for the ends.
http://www.instructables.com/id/PVC-tube-battery-AA-battery-holder/