HH20/HH50
HuaHe
Product Overview
The HH20/HH50 is a 20V Li-ion battery-powered cordless high pressure cleaning gun that eliminates the need for power outlets or fuel engines. With a rated pressure of 20-35bar, working flow of 2.5-3.0L/min, and an adjustable working pressure as low as 6.5bar, it is perfect for daily cleaning tasks such as car washing, patio furniture, windows, and bicycles. Weighing only 3.0kg, it comes with optional 2000mAh/4000mAh batteries offering 18-80 minutes of runtime per charge. An optional 50kg mobile water tank (280x280x530mm) is also available for true off-grid cleaning.
FAQ
Q1: How many cars can I wash on a full charge?
A: The 2000mAh battery provides 18-40 minutes of continuous use – enough for 2-3 cars. The 4000mAh battery can wash 4-6 cars.
Q2: Is the pressure strong enough for car washing?
A: Maximum rated pressure is 35bar, combined with 2.5-3.0L/min flow, easily removes mud and dust. The 6.5bar low-pressure mode is perfect for pre-rinse or foam application.
Q3: Do I need to connect to a faucet?
A: Not necessarily. You can connect a standard garden hose, or purchase the optional 50L mobile water tank for self-suction mode.
Q4: How long does battery charging take?
A: Depending on remaining power, 2-5 hours to full charge. The charger has overcharge protection.
Q5: Can it spray foam?
A: Yes. Attach a foam cannon (sold separately), add car shampoo, and switch to low pressure to generate rich foam.
Specification
Model | HH20/HH50 |
Battery Capacity | 2000mAh/4000mAh |
Voltage | 20V Li-ion Battery |
Rated Pressure | 20-35bar |
Working Pressure | 6.5bar(Adjustable) |
Working Flow | 2.5-3.0L/min |
Charging Time | 2-5hours |
Working Time | 18-40/35-80(minutes) |
Size | 420*250*150mm*6 Meas:480*530*430mm Gross Weight:3.0Kg |
Water Truck Capacity | 280*280*530mm/50Kg |
| ITEM | NAME OF THE GOODS | PCS PER CARTON | VOLUME CTN, CBM | ACCESSORIES | ||
| HH50 | Cordless pressure washer | 1.00 | 0.0158 | 1×HH50 ×1 4.8M Hose ×1 battery ×1 charger ×1 Soap bottle ×1 long lance ×1 short lance ×2 two different angles nozzle | ||

Key Features
· Cordless & Battery-Powered – 20V lithium-ion battery provides freedom from cords and gasoline.
· Adjustable Pressure – Working pressure down to 6.5bar ensures gentle cleaning without damaging paint;
high pressure up to 35bar for tough dirt.
· Long Runtime – 2000mAh battery lasts 18-40 min, 4000mAh battery lasts 35-80 min – enough for a full car wash.
· Lightweight & Portable – Gross weight only 3.0kg, dimensions 420x250x150mm, easy one-hand operation.
· Optional Mobile Water Tank – 50L capacity tank cart (280x280x530mm) allows self-suction from any water source.
· Fast Charging – Fully charged in 2-5 hours with smart overcharge protection.
Competitive Advantages
| Feature | HH20/HH50 Cordless Li-ion | Traditional Gasoline Pressure Washer |
| Startup | One-button start, no pull cord | Hard pull cord, prone to failure |
| Noise Level | <70dB – quiet operation | 90-100dB – loud, disturbs neighbors |
| Emissions | Zero emissions – indoor/outdoor safe | Exhaust fumes – ventilation required |
| Maintenance | No oil change, no spark plug – low cost | Regular oil changes, carburetor cleaning |
| Weight | Only 3.0kg – easy to carry | Typically 15-30kg – heavy and bulky |
| Water Source | Optional built-in tank, no faucet needed | Must connect to a faucet or suction hose |
Pain Point Solutions
· No power outlet nearby? → Cordless battery design – wash your car in the garage, basement, or even a campsite.
· Gasoline engine too loud and smelly? → Pure electric drive – quiet and eco-friendly, ideal for apartments and RV parks.
· High pressure damages car paint? → Adjustable 6.5bar low-pressure mode – gentle rinse for delicate surfaces.
· No water tap available outdoors? → Optional 50L mobile water tank – fill it up and go, perfect for mobile car washing or off-grid cleaning.
· Heavy machine is tiring to carry? → Only 3.0kg – one hand lift, suitable for seniors and teens.