RMA 339 C Lawn mower
AK System cordless lawn mower with a choice of battery sets
Overview
Lightweight, manoeuvrable cordless lawn mower for mid-sized lawns. Height adjustable and foldable comfort handlebars for comfortable work and to make emptying the grass catcher box much easier. Central cut-height adjustment, automatic eco mode, and flow-optimised blades ensure longer battery life. Easy opening 40 litre grass collection box with fill level display, cutting width 37 cm / 15".
Working area covered with recommended AK 20 battery is 250 m².
Versions
Price-
RMA 339 C Set with 2x AK 20 batteries and AL 101 charger£529.00*
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RMA 339 C Lawn mower tool only£329.00*
* Manufacturer's recommended retail price updated as of February 2021. The manufacturer's recommended retail prices are subject to change without notice.
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Technical data

Technical data
Technical data | Value |
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Cutting width cm | 37 |
Cutting height mm | 20-70 |
Vibration value ahw m/s² | 1.6 |
Guaranteed sound power level LWAd dB(A) | 90 |
Device width cm | 43 |
Device height cm | 110 |
Measured workplace LpA dB(A) | 76 |
Overall weight kg | 19 |
Product weight kg | 16 |
Grass catcher box capacity l | 40 |
Machine length cm | 122 |
Housing material | Polymer PP |
Drive | No |
Cordless technology | AK System |
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Features

Standard features
Additional features
We present some Product Technology features in product technology .
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Accessories

Accessories
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STIHL Smart Connector
STIHL Connected is a cloud based system that enables professional users to digitally manage machine fleets and work assignments.
This is managed by the STIHL Smart Connector - a sensor with a diameter of just under 5cm, which is mounted on the tool. It can be mounted on petrol, electric or battery-powered tools where it records and saves the operating hours while the motor is running and transmits this information via Bluetooth® 4.2 to the STIHL connected App (the smart connector can be mounted on non-STIHL tools too). The Smart Connector offers entirely new functions and services, as a basis for device management both in your home garden using the STIHL connected App, and for managing your machine fleet using the STIHL connected Portal. The STIHL connected Portal gives you a detailed overview of the status of your fleet of tools, as well as information such as duration of use on a particular work assignment.
You can view power tool availability, analyse machine usage; plan and manage work tasks with associated resources; and analyse machine data, which you can then use to optimise your daily work processes. The Smart Connector also provides information about upcoming tool maintenance and, if needed, the system can arrange a workshop appointment directly with a STIHL Approved Dealer. Service-related tool data can also be shared with the dealer with your permission, so they can plan the servicing work in advance and order any necessary spare parts. This can shorten service times so the tool is quickly ready for use again.
STIHL Connected is an intuitive way to manage your machine fleet and workload intelligently and efficiently. Visit: STIHL connected FAQs to find out more.
Download the app for free or visit the STIHL connected Portal by clicking on the following links:
Technical data Value Dimensions (l x b x h) 53 x 42 x 14 mm Signal range ca. 10 m Running time per battery charge ca. 1 Jahre Connectivity BLE 4.2 Battery 3V CR2.032 coin cell Versions
Price- Smart Connector £19.99*
* Manufacturer's recommended retail price updated as of February 2021. The manufacturer's recommended retail prices are subject to change without notice.
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AK 20 Battery
Compact Lithium-Ion battery for the AK System with a voltage of 36 V and a capacity of 144 Wh. Battery life depends on the device type. With charge level indicator (LED).
Technical data Value Battery weight 1.2 kg Rated voltage (V) 36 V Capacity 1) 144 Wh Battery cell technology Lithium-Ionen AK-System 1) Power capacity according to the specifications of the cell manufacturer. The actual power capacity available during operation is lower, to increase service life
Versions
Price- AK 20 £109.00*
* Manufacturer's recommended retail price updated as of February 2021. The manufacturer's recommended retail prices are subject to change without notice.
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AL 101 Standard charger
230 V charger, recommended for STIHL AK System batteries. With operating mode indicator (LED) and passive battery cooling. Cable tie with Velcro strap.The charger can be wall mounted if required.
The standard charger will fully charge an AK 10 battery in 95 minutes, AK 20 in 180 minutes and AK 30 in 205 minutes.
The standard charger will fully charge an AP 100 battery in 100 minutes, AP 200 in 200 minutes, AP 300 in 250 minutes and AP 300 S in 300 minutes.
Technical data Value Rated voltage 220-240 V Weight 0.7 kg Rated current 0.7 A Charge time - AK 10 battery 1) 95 min Charge time - AK 20 battery 2) 180 min Charge time - AK 30 battery 2) 205 min Charging time AP 200 3) 200 min Charging time AP 300 3) 250 min Charging current 1.6 A Power output 0.1 kW Protection class II 1) Charge time in minutes to 100% capacity
2) Charge time in minutes to 100 % capacity
3) Up to 100 % capacity
Versions
Price- AL 101 charger £40.00*
* Manufacturer's recommended retail price updated as of February 2021. The manufacturer's recommended retail prices are subject to change without notice.
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AMK 039 Mulching kit
The retrofittable mulching kit shreds the grass into fine grass particles during mowing. The fine grass clippings can then fall back onto the turf as a nutritious fertiliser. The accessory kit is suitable for a cutting width of 37 cm and consists of a multi-blade and mulch insert.
Versions
Price- AMK 039 Mulching kit £32.50*
* Manufacturer's recommended retail price updated as of February 2021. The manufacturer's recommended retail prices are subject to change without notice.
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The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Documents
Owners manuals and safety brochures
Languages | Date | Link |
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18/12/2020 |