| Davidson Auto Battery | |
|---|---|
| Type | Armored Vehicle |
| Place of origin |  United States |
| Production history | |
| Designed | 1900 |
| Manufacturer | Northwestern Military and Naval Academy |
| Specifications | |
| Crew | driver + 3 |
Main armament | M1895 Colt-Browning |
| Engine | Steam tubular boiler |
| Suspension | 4x2 wheel |
The Davidson Auto Battery armored car was a further development of the Davidson-Duryea gun carriage but with steam power. It was built by Royal Page Davidson and the cadets of the Northwestern Military and Naval Academy in Highland Park, Illinois.