As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER INSPECTING THE BATTERY AND CHARGING IT, FOUND THAT THE BATTERY HAS INTERNAL PROBLEM SHOWS 11.4 VOLTS BUT WILL TAKE NO LOAD. (INCIDENT) WAS NOT ABLE TO DETERMINE THE NOSE GEAR DOWN AND LOCKED FROM A TOTAL ELECTRICAL SYSTEM FAILURE RESULTING IN NOSE GEAR COLLAPSE.