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Discussion in 'Phantom 2 Vision + Discussion' started by vyoufinder, Jun 6, 2014.
Going 2 months on original batteries
I am still using the factory-supplied Panasonic AA alkalines, and have 53 full-battery flights.
Just an FYI, when the batteries become low, the transmitter light will turn from green to red and the controller will emit a slow warning beep to alert you its time to replace them.
The good ole' Coppertop has about 2200 mAH capacity at a 100 ma discharge rate and cut-off voltage of 1.0V.
(of course other vary)
It just so happens that these Tx's run about 80-100 ma.
So in a perfect world it would be 22 hours.
But the world is not so and there is a low battery alarm and a cut-off designed into the Tx due to regulation head-room which I do not recall at this time and this would likely kick-in before 1v/cell was actually reached.
So don't worry until your Tx tells you it needs a 'refill' like DBird said.