For those of you who don't have/need transmitter telemetry, this simple & inexpensive device works superbly. I have all my planes timed on my Tx as to when I need to start the landing procedure depending on the size(mah) of the battery I'm using. I've had "senior" moments I forgot to start the timer & fortunately, only one crash from LVC. I picked up one of these Quanum Low Voltage buzzers that have a tiny transmitter(1"Sq.) that plugs into the Balance Plug of the LiPo & sends a signal to the receiver buzzer on your belt or Tx.. The receiver can be set for different voltages. Since I found that most LiPo's will always have one cell that gets to low voltage first, I set my buzzer for 3.6v. I use it on all my planes & has worked to distances beyond LOS. If you want an inexpensive method for safe flying time insurance, get one. Link attached....
Denny
Denny
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