
Kärcher K 1
Score: 72/100
Sealight 6-in-1 Cordless Pressure Washer
Score: 78/100Rankings

The SEALIGHT Cordless Pressure Washer is a highly portable, battery-powered handheld unit delivering up to 970 PSI for cleaning various outdoor surfaces. It features dual 3.0Ah lithium batteries for extended runtime and a versatile 6-in-1 nozzle system with foam capability. Ideal for users needing outlet-free cleaning in small to medium outdoor spaces.

The Kärcher K 1 is a compact, lightweight electric pressure washer designed for light-duty, occasional cleaning tasks around the home. It features a Vario Power Spray lance for adjustable pressure and includes essential accessories for cleaning garden furniture, vehicles, and small patios. It is ideal for beginners or apartment dwellers with limited storage.
| Attribute | ![]() | ![]() |
|---|---|---|
1,700 psibest | 970 psi | |
1.45 gpmbest | 1.2 gpm | |
9.84 ft | 16.4 ftbest | |
| ↓ lower better | 9.8 lbs | 1.76 lbsbest |
2 yearsbest | — | |
120 vbest | 20 v | |
| ↓ lower better | 8.1 in | 7.87 inbest |
| ↓ lower better | 17.5 in | 7.47 inbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(3) | ||
Max Pressure (psi) | 1700 psi | 970 psi |
Flow Rate (gpm) | 1.45 gpm | 1.2 gpm |
Pump Type | Standard | Unknown |
General & Support(1) | ||
Warranty Length (years) | 2 years | Unknown years |
Features & Setup(3) | ||
Water Source Compatibility | Garden Hose | Any Source |
Spray Wand Type | Vario Power | Handheld |
Detergent Application | Detergent Suction | Foam Pot |
Power & Motor(3) | ||
Power Source | Electric | Cordless |
Motor Type | Electric | Brushless |
Voltage (v) | 120 v | 20V v |
Design & Portability(4) | ||
Unit Weight (lbs) | 9.8 lbs | 1.76 lbs |
Width (in) | 8.1 in | 7.87 in |
Height (in) | 17.5 in | 7.47 in |
Length (in) | 7.4 in | 15.75 in |
Accessories & Reach(3) | ||
Hose Length (ft) | 9.84 ft | 16.4 ft |
Nozzle Types | Vario Power | 6-in-1 Adjustable |
Storage Features | Compact | Carry Case |

Products in the top-left offer the best value (high score, low price).

Search results lack dedicated expert reviews from major publications. Available data emphasizes the product's suitability for light-duty home use, praising its compact design and ease of use.
User feedback is limited but generally positive regarding compactness and portability. Common praise highlights the ease of carrying and storing the unit, as well as the simple pressure adjustment.




Professional reviewers praise the SEALIGHT Cordless Pressure Washer for its exceptional portability and surprising power, noting that its 970 PSI output rivals corded models. They highlight the dual 3.0Ah batteries and included carrying case as standout features that differentiate it from competitors.
Everyday users commonly praise the cordless freedom and sufficient power for quick tasks like car washing, pet bathing, and patio cleaning. The 6-in-1 nozzle and foam pot are frequently mentioned for their effectiveness in stain removal.