RMA 339 C Lawn mower

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  Carrying handles

  The STIHL battery-powered lawn mower has two carrying handles integrated into the housing for ease of transport. They make the cordless mower easier to load or return to the upright position. The carrying handles are also suitable as lashing points, for example for securing the lawn mower with a strap during transport.

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  Foldable grass catcher box

  The innovative grass catcher box is made of plastic and features a folding mechanism that makes it particularly easy to open and empty. The current of air produced during mowing blows the clippings into the grass catcher box and ensures its optimum filling. Special vanes in the box channel the air towards the ground, and so protect the user and lawn mower alike from dust and dirt that has been thrown up. The level indicator signals the correct time for emptying. The airflow generated by the blade raises the level indicator. When the basket is full, the airflow stops. If the airflow is too low, the level indicator returns to its idle state and this is an indication to empty the catcher box. Optimal airflow is required in order for the level indicator to function fully. External influences such as wet, dense or tall grass, a low cutting height, contamination, etc. may affect the airflow and the performance of the level indicator.

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  Flow-optimised blades

  The flow-optimised blade trims the grass with minimal resistance, only swirling the air as much as absolutely necessary. As a result it consumes minimal battery capacity, which means that the stored energy is sufficient for the largest possible area.

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  AK 20

  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). Compatible with AL 101, AL 100, AL 300 and AL 500 chargers.

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  Central cutting height adjustment

  The central cutting height adjustment on this STIHL battery-powered lawn mower is spring-loaded making it easy to operate, and has several adjustment levels to obtain the desired cutting height for the lawn. The current height is indicated by a scale. In this way, the grass can always be optimally adapted to the conditions of the lawn surface and the use.

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  Polymer housing

  The housings of the STIHL battery-powered lawn mowers are made of a high-quality polymer material. This extremely lightweight polymer housing combines high resistance and robustness against forces, heat and UV radiation.

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  Easy-running wheels

  The easy-running wheels of our cordless lawn mowers are extremely robust and hard-wearing. They have been equipped with a traction pattern and directional stability tread pattern for effortless manoeuvring and perfect line holding during mowing.

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  Foldable handlebar

  Thanks to its foldable handlebar, the battery-powered lawn mower can be quickly and easily folded. This enables the STIHL lawn mower is be stored very compactly or moved to the next place of use

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  Eco mode

  When eco mode is activated, the speed of the lawn mower motor is automatically adapted to the actually required power. As a result, the STIHL battery-powered lawn mower consumes very little energy and can cover a larger area before it needs to be recharged.

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  Height-adjustable mono-comfort handlebar

  The mono-comfort handlebar can be adjusted to the required body height without the use of tools for comfortable and ergonomic mowing. The handlebar can be folded for easier transport of the battery-powered lawn mower. The grass catcher box is mounted on one side for ease of access and removal.

Additional features

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  Mulching function

  This cordless lawn mower features an effective mulching function. Simply remove the grass catcher box and insert the mulching key. The clippings are finely shredded and evenly distributed over the lawn immediately after being mulched. Consistent mulch mowing reduces lawn thatch. The mulching function dispenses with the disposal of clippings and provides the lawn with moisture and important nutrients.

We present some Product Technology features in product technology .

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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:

    • STIHL connected App - Android
    • STIHL connected App - iOS
    • STIHL connected Portal

  Technical data	Value
  Dimensions (l x b x h)	53 x 42 x 14 mm
  Signal range	Approx. 10 m
  Running time per battery charge	Approx. 1 Year
  Connectivity	Bluetooth low energy 4.2
  Battery	3V CR 2.032

  Versions

  Price

  • Smart Connector £19.99*
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  * 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*
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  * 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*
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  * 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*
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  * Manufacturer's recommended retail price updated as of February 2021. The manufacturer's recommended retail prices are subject to change without notice.