d67d9b29d2
CRSF battery frame is big-endian: voltage(u16 BE 0.1V), current(u16 BE 0.1A), capacity(u24 BE mAh), remaining(u8 %). Previous code read little-endian with wrong byte count (7 vs 8) and wrong scaling (/1000 vs /10), producing 9.98V for a 1S battery.