I was flying at 6500-7500', usually around 24°C-ish, in Kenya with an S800/WKM/Z15-GH2/6S-1000mah, an S800 EVO/A2/Z15-GH3/6S-1000mah, a Droidworx AD8-HL/MK/AV200/2x 4S-5000mah and a custom X8. Other than reduced flight times they all behaved pretty normally - except the S800 which suddenly went...