Hello 
using 9000mAh LiPo I suddenly realize that the ampere consumption is reported way too high.
Example:
The Lipo is 6S with a 9000mAh capacity. The flight time is about 17 minutes. I have to recharge nearly 7400mAh to full charge the Lipo again. But in Mission Planner the " CurrTot" value is close to 15000mAh when I look into the log file. So MP is reporting two times the real amps consumption.
My other hexacopter reported correct values.
So I guess there is a switch or a divider in Mission Planner to get the real value?
(The power module is calibrated with MP)
Any hints or proceedure how I can fix this?
I hope it is not an update issue from ArduCopter v.3.5 … 
Thank you!
Never mind.Wait for a dev to commen.But I have seen advice to flash to latest MP beta release.
Update to the latest version of Mission Planner and this problem is rectified.
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Ok, thanks I’ll wait for some hints to solve this.
@ Matt: thank you for reading my question.
so I upgraded Mission Planner and also the Hexacopter firmware from v.3.3.3 to v.3.5
The strange issue persists. I still find the double mAh usage per flight.
The Lipo is 9000mAh, 6S from Tattuu
This is from my flight yesterday after upgrading everything 
What more can I try or correct?
There is a voltage divider.Amperes per volt on the power module screen.Sounds like you need to halve your value.
http://ardupilot.org/copter/docs/common-power-module-configuration-in-mission-planner.html
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Thanks, that solved the inaccurate used current display.
The video for the volt and amp calibration enlighted me for the fine tuning.
Solved! 