And you will have very short battery life. de Paul, W8AEF ZF2JL/ZF2TA FO8DX/FO8PLA 8Q7AA XZ0A VU7RG ----- Original Message ----- From: "Bill Cunningham K4KSR" <k4ksr at qsl.net> > If you want predictable battery life, connect the positive terminal > of each battery to the negative terminal of the other battery.