Daher-Socata TBM 900 Pilot's Information Manual page 93

SECTION 3
PILOT'S OPERATING HANDBOOK
EMERGENCY PROCEDURES
EASA Approved
"BAT AMP"
BATTERY current over 50A while on ground.
After starting the engine with airplane power, a battery charge above 50 amperes is normal.
CAUTION
DO NOT TAKE OFF IF BATTERY CHARGE > 50 AMPERES
If this indication remains steady at a high value, it may be due to a battery or generation system failure.
Edition 0 -- October 31, 2013 Page 3.3.3
Rev. 1