I love my headsets but occasionally have had the batteries die on approach. Very distracting to have to reach into bag and change batteries. I could change them before every flight and this is clearly the cheapest option to avoid the problems. Or I can get the 6 pin outlet installed into my plane on pilot and copilot side. Now's a good time to do it as plane is in annual. Then I have to spend a couple of hundred bucks more for new cable on A20's. Any thoughts ? How much should I have to pay shop to install the 6 pin adapters ? How many hours labor is reasonable ?