21 Specifications
21 Specifications
21.1
Lawn Mower
STIHL RMA 443.3 V,
RMA 448.3 V
– Permissible battery: STIHL AK
– Weight with grass catcher box and without
battery:
– RMA 443.3 V: 26 kg
– RMA 448.3 V: 27 kg
– Weight (m) with grass catcher box and STIHL
battery AK 30 S:
– RMA 443.3 V: 29 kg
– RMA 448.3 V: 30 kg
– Maximum grass catcher box capacity:
– RMA 443.3 V: 52 l
– RMA 448.3 V: 52 l
– Cutting width:
– RMA 443.3 V: 41 cm
– RMA 448.3 V: 46 cm
– Speed (n): 3000 rpm
– Speed in ECO mode: 2700 rpm
– Electrical type of protection: IPX4
– Minimum driving speed: 2.0 km/h
– Maximum driving speed (depending on the
battery used):
– with AK 10: 2.5 km/h
– with AK 20, AK 30: 3.5 km/h
– with AK 30 S: 4.5 km/h
For information on the battery life, see
www.stihl.com/battery-life.
21.2
Blade
– Minimum thickness a: 1.6 mm
– Minimum width b: 55 mm
– Sharpening angle c: 30°
21.3
STIHL AK Battery
– Battery technology: lithium-ion
– Voltage: 36 V
– Capacity in Ah: see rating label
– Energy content in Wh: see rating label
– Weight in kg: See rating label
0478-131-9671-B
21.4
STIHL AL 101 Charger
– Rated voltage: See rating plate
– Frequency: see rating plate
– Rated power: see rating plate
– Charging current: See rating plate
For charging times, see www.stihl.com/charging-
times.
21.5
Extension Cords
If an extension cord is used, the cross sectional
area of its conductors must meet the following
minimum requirements – depending on the line
voltage and length of the extension cord:
If rated voltage on the rating label is 220V to
240V:
– Cord length up to 20 m: AWG 15 / 1.5 mm²
– Cord length 20 m up to 50 m: AWG 13 /
2.5 mm²
If rated voltage on the rating label is 100V to
127V:
– Cord length up to 10 m: AWG 14 / 2.0 mm²
– Cord length 10 m up to 30 m: AWG 12 /
3.5 mm²
21.6
Temperature Limits
WARNING
■ The battery is not protected against all ambi‐
ent conditions. If exposed to certain ambient
conditions, the battery may catch fire or
explode. This may result in serious injury to
people and damage to property.
► Do not charge the battery below -20°C or
above +50°C.
► Do not use the lawn mower or battery
below -20°C or above +50°C.
► Do not store the lawn mower or battery
below -20°C or above +70°C.
21.7
Recommended Temperature
Ranges
For optimum performance of the lawn mower,
the battery and the charger, observe the follow‐
ing temperature ranges:
– Charging: +5°C to +40°C
– Use: -10°C to +40°C
– Storage: -20°C to +50°C
If the battery is charged, used or stored outside
the recommended temperature ranges, perform‐
ance may be reduced.
If the battery is wet or damp, allow it to dry for at
least 48 hours at above +15°C and below +50°C
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