Charmarni X8 Cordless Pressure Washer, 12000mAh

The Charmarni X8 is a battery-powered cordless pressure washer with a claimed 12000mAh built-in battery, five-pattern nozzle and 5-metre hose. Its listed pressure and flow figures suit buyers considering portable cleaning for cars, garden tasks and patios, while the claimed runtime and performance should be treated as listing specifications rather than independently measured results.

At a glance

Integrated battery avoids carrying a separate slide-on battery, according to the product listing.
The twist-adjustable nozzle offers five spray patterns, including a shower setting.
The listing describes drawing water through a filtered hose from a bucket or water butt, and gives tap and bottle adapters as included kit claims.
USB-C and a DC car power cord are both described as charging options.

Price

£36.99Save 38%

Reference price: ~~£59.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Five selectable spray patterns cover a range from narrower jets to a shower mode.
The stated 5-metre hose and weighted filter are intended to support water collection from containers as well as taps.
The listing claims up to 30 minutes of continuous operation from its built-in battery.

Technical specifications

16 specifications

Identity
Brand	Charmarni
Model	X8

Power and battery
Power configuration	Battery Powered
Built-in battery capacity	12000mAh
Claimed continuous runtime	up to 30 minutes
Charging options	USB-C cable
Car charging	DC car power cord

Cleaning
Maximum pressure	100 Bars
Maximum flow rate	210 Litres Per Hour
Nozzle settings	0°, 15°, 25°, 40°, and shower modes
Hose length	5 Metres

Dimensions and installation
Dimensions listed	24L x 7W x 19H centimetres
Weight listed	2 Pounds

Other listed details
Colour	Black and Orange
Specification met	CE
EU spare part availability duration	1 Years

What to know before buying

The battery capacity, runtime, pressure and flow rate are manufacturer/listing claims, not independently verified measurements. The stated runtime is an upper claim and may not describe every spray setting or operating condition. The listing does not provide a charging time.

Who is it for?

A good fit for

Buyers wanting a portable washer for smaller car-cleaning or outdoor jobs, with water-source and charging options described in the listing.
People who value several spray patterns and a built-in battery rather than a separate battery pack.

Less suited to

Buyers who need independently established pressure or runtime figures, or require a confirmed charging time before choosing.

Charmarni X8 Cordless Pressure Washer, 12000mAh · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 30 ratings

5 stars70%70%
4 stars19%19%
3 stars0%0%
2 stars0%0%
1 star11%11%

Customer feedback describes the washer's functionality and cleaning performance positively, including comments that it suits smaller jobs and a comparison to professional car-wash performance. These are customer perceptions, not measured results. They may be relevant to buyers considering light, portable cleaning, but do not establish that the stated pressure or runtime will meet every task. Aggregate ratings are generally positive but include a notable one-star share, so experiences are not uniformly favourable.