You can easily get water from bucket/lake/river/faucet. This cordless high-pressure water gun is more portable than traditional small high-pressure cleaners. The pressure washer range raises the performance 'bar'.
eBay
Cordless Pressure Washer Gun with drill combo kit for Car,Floor,Patio washing,watering,Portable Pressure Cleaner Washer machine
Aliexpress UK
Electric Pressure Washer Gun is suitable for Makita 18V battery. [ Cordless Pressure Washer Battery Powered ] - features 100 bar rated pressure, which is 5x more pressure than a traditional garden hose with sprayer.
eBay
Brushless Cordless Pressure Washer for Dewalt 20V Battery 380W 653PSI 3-Speed Portable Handheld Power Washer (No Battery)
Aliexpress UK
[ Cordless Pressure Washer Battery Powered ] - hydroshot features 100 bar rated pressure, which is 5x more pressure than a traditional garden hose with sprayer. You can connect to a garden hose with the quick.
eBay
380W 653PSI Cordless Pressure Washer Brushless 3-Speed Portable Handheld Power Washer for Dewalt 20V Battery (No Battery)
Aliexpress UK
Electric Pressure Washer Gun is suitable for Makita 18V battery. [ Cordless Pressure Washer Battery Powered ] - features 100 bar rated pressure, which is 5x more pressure than a traditional garden hose with sprayer.
eBay
Portable Cordless Pressure Washer 45 Bar, Brushless High-Pressure Cleaner with 21V 3.0Ah Battery, 6-in-1 Nozzle, 16ft Hose
Aliexpress UK
When you travel outdoors, just put the water pipe into the rivulet,bucket or any water source to start washing your car. 1 x Car washing machine. A2: Observe whether the water pipe is bent and the drainage is not smooth; press the car washing machine for more than 10 seconds, and then wait for the water to be sucked into the car washing machine.
eBay
Cordless High Pressure Washer Gun For Makita 18V Battery Electric Rechargeable Spray Gun For Home Car Garden Cleaning Tool
Aliexpress UK
When you travel outdoors, just put the water pipe into the rivulet,bucket or any water source to start washing your car. 1 x Car washing machine. Battery: 21V. Battery Capacity:1500mah. Type: 2 battery.
eBay
Synxiter Cordless High Pressure Washer For Makita 18V Battery 6 IN 1 Electric Water Spray Gun Home Garden Cleaning Power Tool
Aliexpress UK
Cordless Car High Pressure Washer Jet Water Cleaner Gun For Makita 18V Battery. Electric Pressure Washer Gun is suitable for Makita 18V battery. [ Cordless Pressure Washer Battery Powered ] - features 100 bar rated pressure, which is 5x more pressure than a traditional garden hose with sprayer.
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Gisam 200BAR 6-in-1 Brushless Cordless High Pressure Car Washer Rechargeable Lithium Battery Car Cleaning Washer Spray Water Gun
Aliexpress UK
2 x 48V battery. Three kinds of nozzles and application range: This Cordless Pressure Washer is equipped with 6 in 1 nozzle, high pressure nozzle and low pressure nozzle. The 6-in-1 nozzle has 0 °,10 °, 15 °, 25 °, 40 °, and shower mode.
eBay
Nananuu Cordless High Pressure Car Wash Washer Gun For Makita BL1830 18V Battery Lightweight Cordless Jet Wash Car Washer
Aliexpress UK