Many factors influence LiPo Battery life. Not charging as fully, not discharging as fully will increase the number of cycles significantly, charging and discharging at lower rates and storing at lower temperatures will cause less loss of mAh with time. As a consequence I take mine out of the AC...
RTH is a great function so long as it is not activated when you are under an obstruction such as a bridge, power lines or tree branches, or the top of an obstacle between the drone and home is higher than 400 feet above your launch point. However the Breadcrumb solution is much safer under those...
It is not the take off voltage that is critical for a partially discharged battery. The voltage when flying can be much lower when flying, especially on used batteries when they are are not still warm from flying. The internal resistance of LiPos increases at lower temperatures, at lower battery...
I agree that the software should warn about low battery voltage on load. However you also need to monitor the lowest cell voltage while flying. Since I also fly RC planes I often measure the internal resistance of each cell as a warning when batteries have deteriorated significantly due to storage.
You can fly to the home point based purely on GPS if you ignore the compass, but can you always safely ignore the compass when it does not agree with the GPS values?
I agree that the Typhoon H is an attractive option but be careful of the RTH flying height of the Typhoon H, manual says it is only 33 feet over home point unless you start the RTH above that height.
This thread appears to be concentrating on screen glare. I like the Typhoon H concept except for RTH, which according to the manual can not be guaranteed to fly over 33 feet above the home point if RTH is initiated below that height. Unfortunately I have trees around my flying areas that are...
In addition to storing LiPos at about 50% charge you should also keep them cool for long term storage. Avoid leaving them in hot cars or hot rooms. For long term storage I keep mine in a refrigerator.
After a drone becomes waterlogged, disconnect the battery, and then shake out as much water as possible, gently dry it with a hair dryer, and then keep it in a warm dry place in your home for a week and the chances are good that it will function correctly. That has worked for me with an RC plane.
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