I was told to ask questions here. Still a new OG buzz user (its awsome) i use tenergy lifepo4 3.0 stacked and its great. I've set my volts to my sweet spot and it hits like a champ. BUUUUUTTTT...the stacked batteries are rattling in the tube, is there an easy fix for this? At times the connections won't fire at all, I have to shake the buzz for the connection to be made. Any help?