Mini 2 battery discharge rate during flight

[TT3023]

Has anyone established the discharge rate of a typical fully charged Mini 2 battery in a relatively static test configuration -- e.g., a straightforward hover. I've seen reports of fully charged batteries very quickly getting down to 90 or 80%, and am wondering how nonlinear their discharge rates tend to be. Thanks!

 

[old man mavic]

during flight ,even in a hover the demands on the battery are constantly changing as the drone tries to stay in one place ,temperature plays a big part in the batteries ability to supply current to the motors ,too cold or too hot can impact the flow ,also lipos as they get down past 40% or so tend to struggle to provide enough current if a high demand is placed upon them ,after use and a period of cool down they recover quite a bit from the voltage per cell shown straight after use

 

[Nobbler]

The discharge plot is all over google images. I looked it up yesterday out of curiosity. It's like LiFePO4. Gradual decline, then falls off fast at around 20% discharge if I recall. Or 10%. Something like that. Depends on battery temperature, but at the draw rate of the minis, that isn't a big problem.

 

[SkyeHigh]

Contrary to what you’d imagine, once in the air the hover requires more energy than horizontal flight. So a static test doesn’t give a true representation of normal battery usage. That said if you hover for 20-mins and get down to 20%, flying around will give you a little more flight time.

Usually the ‘fuel gauge’ chips in the intelligent batteries give a good estimation of remaining battery capacity by monitoring usage and battery voltage.

 

[Nobbler]

Contrary to what you’d imagine, once in the air the hover requires more energy than horizontal flight. So a static test doesn’t give a true representation of normal battery usage. That said if you hover for 20-mins and get down to 20%, flying around will give you a little more flight time.

Usually the ‘fuel gauge’ chips in the intelligent batteries give a good estimation of remaining battery capacity by monitoring usage and battery voltage.

Temperature, too. If there's one thing LiXX batteries demanded to be practical energy storage means it was the thermistor