Forever, Pulse Motor, 55 years.

This motor is indestructible and can run about 55 years on 2 pcs. AAAA batteries = 1200 mAh.
The power consumption is 2.5 micro amps.
Run time = 1200 mAh = 1200000 micro amps = 1200000 / 2.5 = 480000 hours / 24 / 365 = 55 years

Видео Forever, Pulse Motor, 55 years. канала Larskro