As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCO INFLIGHT STL-MIA. CREW REPORTED MAIN BATTERY CHARGER EICAS STATUS MESSAGE. COULD NOT VERIFY REASON OR ISSUES OF BATTERY STATUS. EMERGENCY DECLARED FLIGHT DIVERTED MCO LANDED WITHOUT INCIDENT. REPLACED MAIN BATTERY CHARGER THAT WAS BAD. SYSTEM GROUND CHECK NORMAL OPERATION.