Why is my Sennheiser Evolution Wireless System “eating” batteries, I can only get 45 minutes out of them?
Use only batteries plainly marked “Alkaline” on them. Do not use those marked “Classic”, “Carbon-Zinc” or “Heavy Duty”. If you notice the LED on your transmitter glowing steadily, it is O.K. The LED will start to flash when the battery has approximately 1/2 hour of life left.
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