As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON INITIAL WALK OUT TO THE AIRCRAFT THE EMERGENCY LIGHTS WERE ALL ON. FOUND THE SWITCH IN THE COCKPIT TO BE IN THE OFF POSITION. INSPECTED AIRCRAFT AND FOUND IT TO BE SAFE FOR FERRY FLIGHT FROM TPA TP CMH. REMOVED AND REPLACED ALL FOUR EMERGENCY BATTERY PACKS. OPS CHECK GOOD IAW EMB 145 AMM 33-50-4.