I noticed some people saying that the Trinity has drained their battery while in sleep mode is this the case, or is this fixed now? Thanks for the quick response to my other post and if the answer to this post is no, then I will purchase an extreme power puck and a Trinity to run in my duramax ...

Thinking about getting the Trinity for my truck. It sounds great, but do I need the power puck to go with it? Also how many more mpg's will it add?