The Karcher KHB 4-18 PLUS is a handheld pressure washer that runs on an 18V battery. It needs no mains socket. It needs no tap either. That suits a shed, an allotment or a van.
It gives a maximum of 21 bar and a flow of 170 litres an hour. That is medium pressure. Think garden tools, outdoor furniture and equipment. It can water plants too. The 5 in 1 Multi Jet nozzle changes the spray for each job.
The included suction hose lets it draw from a water butt or container. A garden hose adaptor is in the box for when a tap is close. An integrated water filter protects the internals. The unit weighs 1.3kg. A 2.5Ah battery gives about 14 minutes of use.
It belongs to the Karcher 18V Battery Power system. Other tools in the range share the same battery. You can buy a spare battery for longer sessions. A charger for UK mains comes with it. It is a light, quick-start tool for light cleaning.
| Brand | Karcher |
| Product Type | Pressure washer |
| Washer Type | Cordless |
| Hot Water | No |
| Connection | Garden hose adaptor 3/4 inch |
| Home or Pro | Home |
| Max Pressure | 21 bar |
| Flow Rate | 170 l/h |
| Voltage | 18V |
| Battery Platform | Karcher Battery Power 18V |
| Battery Included | 1 x 2.5Ah battery and charger |
| Hose Reel | No |
| Pressure Control | 5 in 1 Multi Jet nozzle |
| Water Supply | Tap or self-priming |
| Patio Cleaner Included | No |
| Size | 21 bar, 18V cordless |
| Weight | 1.3kg |
| Included Accessories | 5 in 1 Multi Jet nozzle, Lance, Garden hose adaptor 3/4 inch, Suction hose, 18V 2.5Ah battery, Battery charger |
| Warranty | Karcher manufacturer warranty |
| Model | KHB 4-18 PLUS |
| Battery type | Karcher Battery Power (Lithium Ion) |
| Pressure range | Medium |
| Max water feed temperature | 40°C |
| Typical runtime with 2.5Ah battery | 14 minutes |
| Dimensions | 292 x 89 x 228mm |
| Delivery | My Tool Shed courier, usually next working day, from £5.95 (surcharge for the Highlands, Islands and Northern Ireland) |
| Returns | 30-day returns on unused items, My Tool Shed's terms apply, buyer pays return postage |
My Tool Shed sends most orders by courier, usually for delivery the next working day. Delivery starts from £5.95.
Delivery covers the UK. The Highlands, the Islands and Northern Ireland carry a surcharge, so check the cost for your postcode at checkout.
My Tool Shed takes Visa, Mastercard, Amex, PayPal, Apple Pay and Google Pay.
Unused items in original packaging can be returned to My Tool Shed within 30 days. You pay the return postage and the retailer's terms apply.
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