We were told the same when we contacted Autocom about powering my bruvs Kenwood. He uses a Active 7 Smart. The answer my friends resides with that master electronics man Rob Farmer. Rob made me a lead up containing a bit of lectric gubbins and that has bike powered my bruvs Kenwood faultlessly for the last 5 months. Hope Rob's not going to bolix me for telling you all this.