As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REPLACING AN EMERGENCY LIGHT BATTERY PACK, AN EXCHANGE UNIT WAS PURCHASED FROM FALCON JET (TEB). THE EXCHANGE UNIT WAS DISCHARGED WHEN RECEIVED, ALL OTHERS IN STOCK WERE ALSO FOUND DISCHARGED. THE ORIGINAL WAS STILL SERVICEABLE AND RE-INSTALLED IN THE AIRCRAFT.