RMA 339 without battery and charger
RMA 339 cordless lawn mower: Efficient and lightweight for small to medium-sized lawns
General
The main advantages of the STIHL RMA 339: it is lightweight, cordless and practical. It is part of the innovative STIHL AK-System, which draws its energy from powerful lithium-ion cells. These batteries are easily interchangeable and can be used for the many other STIHL power tools in this cordless system. You can work particularly economically during mowing, collecting and retrofittable mulching if you use switchable Eco mode. This automatically adjusts the engine speed to the required power so that you can mow for as long as possible. The flow-optimised blade also increases energy efficiency, saving valuable battery life and increasing area coverage. But that’s not all: this garden power tool is also equipped with a folding grass collection box and central cut-height adjustment. That’s how this compact lawn mower achieves the best results on small and medium-sized plots and delights all gardeners with its easy handling.
Versions
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RMA 339
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Technical specifications

Technical specifications
Technical specifications | Value |
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Cutting width | 37 cm |
Cutting height | 30-70 mm |
Grass catcher bag capacity | 40 l |
Engine type | Battery 36 V |
Product weight | 14 kg |
Guaranteed sound power level LWAd | 90 dB(A) |
Device height | 107 cm |
Device width | 42 cm |
Uncertainty factor K | 0,8 m/s² |
Sound power level measured LWA | 89,4 dB(A) |
Uncertainty factor KpA | 2 dB(A) |
Vibration value ahw | 1,6 m/s² |
Battery technology | Lithium-Ion AK-System |
Device length with grass catcher box | 122 cm |
Start | Electric start |
Nominal output | 900 W |
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Features

Standard equipment
Retrofitted equipment
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Accessories

Accessories
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AL 101 charger
230 V. Compatible with STIHL AK and AP batteries. With charge-level indicator (LED). Cable tie with Velcro tape. Wall-mounting possible.
Technical specifications Value Charging current 1,6 A Charging time AK 10 1) 95 min Charging time AK 20 1) 180 min Weight 0,7 kg Power consumption 0,08 kW 1) Up to 100 % capacity
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AL 300 quick charger
AL 300 quick charger 230 V. For STIHL AP and AR batteries. Device in housing base for wall mounting and cable rewind, with operating mode indicator (LED) and active battery cooling.
Technical specifications Value Rated voltage 220-240 V Weight 1,2 kg Rated current 2,3 A Charging current 6,5 A Weight 2,6 lbs Power consumption 0,3 kW -
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AL 500 hi-speed charger
230 V. For shorter charging times, for STIHL AK, AP and AR batteries. Mechanism in housing base for wall-mounting and cable rewind, with operating mode indicator (LED) and active battery cooling.
Technical specifications Value Rated voltage 220-240 V Charging current 12 A Weight 1,3 kg Rated current 2,6 A Weight 2,9 lbs Power consumption 0,6 kW -
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STIHL Smart Connector
The STIHL Smart Connector forms the basis for using all STIHL connected functions. These functions can be used via both the STIHL connected App and the STIHL connect Portal. Once correctly attached to a STIHL power tool or another manufacturer’s power tool, the STIHL Smart Connector records operational hours while the machine is running, stores them and transmits them to your smartphone via Bluetooth as soon as it is within range. The data received in the STIHL connected App is transferred to the STIHL Cloud when there is an internet connection. The data is stored there in compliance with data protection regulations. The STIHL connected App and STIHL connected Portal allow you to access your power tool data at any time. STIHL connected opens up new avenues for professional users to obtain a convenient and transparent overview of their own power tool fleet. At the same time, STIHL connected provides information including operational hours, power tool status including reminders of overdue maintenance, the last known location, and whether or not the power tools are currently nearby. For professional users, this means improved digital fleet management, more efficient processes within companies, and even closer contact with STIHL dealers. Private users can also use the system to keep an eye on their power tools and carry out maintenance at the right time.
Technical specifications 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 Year Connectivity BLE 4,2 Battery 3V CR 2.032 Weight 20 g -
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Battery

Battery
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AK 10
Compact lithium-ion battery for the for the STIHL AK-System with a voltage of 36 V and a capacity of 72 Wh. Battery life depends on the device type. With charge level indicator (LED). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.
Technical specifications Value Battery weight 0,8 kg Rated voltage 36 V Battery cell technology Lithium-Ionen AK-System Battery energy content 1) 72 W·h 1) Power capacity according to the specifications of the cell manufacturer. The actual power capacity available during operation is lower, to increase service life
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AK 20
Compact lithium-ion battery for the STIHL 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). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.
Technical specifications Value Battery weight 1,2 kg Rated voltage 36 V Battery cell technology Lithium-Ionen AK-System Battery energy content 1) 144 W·h 1) Power capacity according to the specifications of the cell manufacturer. The actual power capacity available during operation is lower, to increase service life
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AK 30
Compact lithium-ion battery for the STIHL AK-System with a voltage of 36 V and a capacity of 180 Wh. Battery life depends on the device type. With charge level indicator (LED). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.
Technical specifications Value Battery weight 1,3 kg Rated voltage 36 V Battery cell technology Lithium-Ionen AK-System Battery energy content 1) 180 W·h Battery life MSA 140 C-BQ 2) 45 min 1) Power capacity according to the specifications of the cell manufacturer. The actual power capacity available during operation is lower, to increase service life
2) Battery life times depend on the conditions of use and may vary
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Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Documents
Owners manuals and safety brochures
Languages | Date | Link |
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18.03.2022 |