Golden Power 2826-5 840kv Specifications:
Number of Cells: 3-5s lipo; 8-14 cell NiMh
Max Efficiency Current: 20-32A (>73%)
No Load Current (10v): 2.1A
Max Current: 45A/60s
Max Efficiency: 80%
Resistance: .040 ohms
Shaft Size: 5.0mm
Poles: 14
Max Watts: ~715W
Weight: 175g
Dimensions: 35x54mm
Recommended Model Weight: 1500-2800g (54-100 oz)

This motor is similar to an E-flite Power 25.