I have had these less than a year. Bought them but shifted to FPV and haven't been speed running. They have never been out of storage charge and I have put them on the charger to check at least every 2 months. I soldered on PP QS8's and will include the rubber covers. Don't worry, my soldering is good and you won't have to rework them. I paid $179.99 a piece. I will sell both for $250 shipped.
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