STIHL RCA 20 Cordless Pressure Washer
SKU: RCA 20
STIHL RCA 20 Cordless Pressure Washer
SKU: RCA 20
Price range: £138.60 through £179.00
Categories:
The STIHL RCA 20 Cordless Pressure Washer is a compact, lightweight and highly portable cleaning solution for use around the home, garden and on the go. Designed for homeowners and outdoor enthusiasts, it delivers convenient cleaning performance without requiring a mains power connection or direct water supply. Buy the STIHL RCA 20 Cordless Pressure Washer Set between 1st September 2026 and 16th December 2026 and claim a FREE STIHL AS 2 battery, giving you even better value from STIHL’s lightweight cordless range.
The STIHL RCA 20 Cordless Pressure Washer is the ideal portable cleaning tool for tackling quick cleaning tasks wherever they arise. Part of the STIHL AS System, this lightweight handheld pressure washer provides an easy and convenient way to clean garden furniture, bicycles, barbeques, play equipment, outdoor toys and other everyday items around the home and garden.
Its compact cordless design allows you to clean virtually anywhere without relying on mains electricity. Whether you’re at home, on a campsite, at a bike trail or preparing equipment for storage, the RCA 20 offers the flexibility to work wherever cleaning is needed.
With a maximum pressure of 24 bar and a weight of just 1.5kg, the RCA 20 is comfortable to handle and simple to operate. The versatile 4-in-1 nozzle allows you to quickly switch between different spray patterns, making it easy to adapt the pressure washer to a variety of cleaning tasks. A practical ECO mode helps extend battery runtime when lower cleaning power is sufficient.
When a direct water connection isn’t available, the RCA 20 can draw water from alternative sources using a compatible suction hose. This makes it particularly useful for outdoor activities, travel and remote cleaning tasks where access to a tap may be limited.
Compact, easy to transport and packed with practical features, the STIHL RCA 20 is an excellent cordless cleaning solution for everyday use around the home and beyond.
Please note: The STIHL RCA 20 is available as a Set with a 2x AS batteries and AL 1 charger, or as a Tool Only without battery and charger. Selectable from the dropdown menu.
Included in the set version:
- 2 x AS 2 Lithium-Ion, 28 Wh, 10.8 V
- 1 x AL 1 Standard Charger
- 4-in-1 nozzle
- Spray lance extension
- Suction hose with filter
- Water container bag
- Detergent spray set
Included in the tool only version:
- 4-in-1 nozzle
- Spray lance extension
- Suction hose with filter
- Water container bag
- Detergent spray set
Buy the STIHL RCA 20 Cordless Pressure Washer Set between 1st September 2026 and 16th December 2026 and claim a FREE STIHL AS 2 battery, giving you even better value from STIHL’s lightweight cordless range.
Table of specifications
Rated voltage
10.8 V
Battery system
AS
Recommended battery
AS 2
Device weight
1.3 kg
Operating pressure
22 bar
Max. pressure
24 bar 1)
Max. pressure
350 psi 1)
Min. water throughput
140 l/h
Max. water throughput
230 l/h
Max. water feed temperature
40 °C
IPX Rating
N/A
Sound pressure level
73 dB(A) 3)
Sound power level
84 dB(A) 3)
Vibration level, left
1 m/s² 4)
Vibration level, right
1.5 m/s² 4)
Technical Notes
1)
Maximum permissible system pressure
2)
The indicated working times per battery charge are indicative and may vary depending on the application and operating mode
3)
K-value according to Directive 2006/42/EC = 2.0 dB(A)
4)
K-value according to RL 2006/42/EG = 2 m/s²
Working Times
Min. battery working time AS 2
8 min 2)
Max. battery working time AS 2
15 min 2)
features
Cordless Portable Cleaning
The RCA 20 operates without mains electricity, making it easy to use around the garden, at campsites, on cycling trips or anywhere convenient cleaning power is required.
Constant Power Technology
STIHL Constant Power technology helps maintain reliable cleaning performance throughout the battery charge cycle, ensuring consistent results from start to finish.
4-in-1 Multi Nozzle
Fan Jet Nozzle Ideal for general cleaning of everyday dirt on a variety of surfaces. Rotary Nozzle Provides increased cleaning power for removing stubborn dirt from more durable surfaces. Narrow Jet Nozzle Directs water into a concentrated stream for targeted cleaning applications. Watering Mode Produces a gentle flow of water suitable for rinsing and delicate cleaning tasks.
Two Power Levels
ECO Mode Reduces power consumption and helps maximise battery runtime. Full Power Mode Provides maximum cleaning performance when tackling heavier dirt and grime.
Detergent Spray Kit
A dedicated detergent spray attachment allows cleaning solution to be mixed into the spray pattern, helping loosen stubborn dirt and improve cleaning efficiency.
Suction Hose with Integrated Filter
The flexible 5-metre suction hose enables the RCA 20 to draw water from alternative water sources such as water containers, water butts and tanks. An integrated filter helps prevent debris from entering the machine.
Spray Lance Extension
The extension lance increases reach and improves user comfort when cleaning larger items, outdoor furniture or surfaces close to the ground.
Portable Water Supply Solution
When no direct water connection is available, the RCA 20 can be used with a portable water source, making it ideal for remote cleaning tasks and outdoor activities.
Lightweight and Easy to Use
Weighing just 1.5kg, the RCA 20 is comfortable to carry and simple to operate, making it suitable for a wide range of users.
Battery Status Display
A clear onboard display shows the current battery charge level and allows users to monitor runtime while working.
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