Specs
Specifications
Features
HRM310
HRM520
Length (in.)
25.4
25.4
Width (in.)
21.7
21.7
Height (in.)
10.8
10.8
Weight (lbs.)
25.6
26.2
Lawn Coverage (acre)
0.37
0.75
Charging System
Automatic
Automatic
Working slope angle (degrees)
25°
25°
Cut height (in.)
.8 - 2.4
.8 - 2.4
Cut width (in.)
8.7
8.7
Standard Sound level db(A), (Quiet Mode)
58, (55)
58, (55)
Battery Type
Li-ion 22.2V, 1.8Ah
Lithium-ion 22.2V, 3.6Ah
Charge Time (min)
30
60
Run Time (min)
30
60
Work Motor (W)
28.8
28.8
3 Razor Pivot Blades
Y
Y
Start Points (Cut Zones)
3
5
3 Cutting Mode Options
Directional/Random/Mixed
Directional/Random/Mixed
Additional Cut Features
Spiral/Edge
Spiral/Edge
Narrow Passage Control
Y
Y
Anti-Theft PIN Code and Alarm
Y
Y
Quiet Timer / Mode for Night Operation
Y
Y
Sensors-Bump, Lift, and Tilt
Y
Y
Seasonal Timer
Y
Y
Product Warranty
2 Years
2 Years