I have described this "Known" issue in a post: http://forum.dji.com/thread-41951-1-1.html
Do Not Use Partially Charged Packs if at all possible.
If you use partially charged packs, a discrepancy may exist, whereby the voltage of a pack may drop dangerously low, whilst the Percentage indicator still shows sufficient capacity.
I believe this has been the issue that many Pilots who have used partially charged packs have suffered from.
So the lesson learnt is:
- Charge packs fully before flying.. - Try not to use partially charged packs, especially if they have been left for a few days.
- If you do use a partially charged pack, then hover for around a minute, and keep a Hawks Eye on each battery Voltage. - if any battery quickly drops to under 3.60v in around 1.5 minutes or less then stop flying and change the battery.
- Do not use the Percentage as the only indicator to determine the state of the battery. - Turn On "Show the voltage on the main screen" and keep an eye on it. - if it goes yellow and stays yellow, then start to prepare to come back home or land somewhere safe.
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