1 / 7Russell Hobbs RHBDB8004 Double Sherpa Electric Underblanket
Russell Hobbs RHBDB8004 is a double electric underblanket with Sherpa fleece, six heat settings and a claimed 10-hour automatic shut-off. At 135 x 190 cm, it is intended for double beds and has detachable controls and machine-washable-at-40°C care instructions.
At a glance
- The listed 135 x 190 cm dimensions and securing ties are intended to fit a double mattress.
- The listing claims six heat settings, two controls and an automatic shut-off after 10 hours.
- Care information says to disconnect the control before machine washing at 40°C.
Reference price: £77.99
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Six settings and two controls are described, allowing each side to adjust its control separately according to the manufacturer.
- Sherpa fleece construction and secure ties suit buyers wanting a warm underblanket that attaches to a double mattress.
- Detachable controls and stated 40°C machine-washable care make cleaning practical when instructions are followed.
Technical specifications
15 specifications| Brand | Russell Hobbs |
|---|---|
| Model | RHBDB8004 |
| Size | Double |
| Dimensions | 190L x 135W centimetres |
|---|---|
| Weight listed | 2 Kilograms |
| Fitting | DOUBLE BED – 135 x 190cm to fit a double mattress, with ties to secure and attach |
| Heat settings | 6 Heat Settings - Luxury |
|---|---|
| Automatic shut-off | 10-hour Auto Shut-Off, Detachable control, Machine washable at 40°C, Overheat protection |
| Power | 120W |
| Energy-use claim | ENERGY EFFICIENT - Run from as little as 5p* per hour to keep you cosy through the night. *Based on heating your bed for 1 hour on full power at 27p per kWh |
| Material listed | Fleece |
|---|---|
| Fabric construction | 280g Sherpa fleece with 70g filling, 400g non-woven polyester base |
| Water resistance listed | Not Water Resistant |
| Protection claim | SLEEP SAFE: This electric blanket features overheat protection and is BEAB approved for added peace of mind as well as featuring a beeper that will sound at every stage of heat change or when the blanket is turned on and off |
| Washing instructions | Machine washable at 40°c, simply disconnect the control and follow the instructions provided |
|---|
What to know before buying
Listing details to confirm
The listing identifies two controls in its manufacturer description, while the included-components list names only the blanket model and a user manual. Confirm the selected listing's supplied control count and exact bundle before purchase. The 5p-per-hour figure is a claim based on one hour at full power and an electricity rate of 27p per kWh, not a guaranteed running cost.
What’s in the box
Included- 1 x RHBDB8004
- User manual
Who is it for?
A good fit for
- People looking for a heated underblanket sized for a double bed.
- Couples who want separately described controls and multiple heat settings.
- Buyers who prefer a fleece surface and machine-washable care, following the supplied instructions.
Less suited to
- People needing a water-resistant heated blanket.
- Buyers requiring a confirmed two-control package without checking the selected listing's contents.
Customer reviews on Amazon
- 5 stars
71% 71% - 4 stars
14% 14% - 3 stars
10% 10% - 2 stars
0% 0% - 1 star
5% 5%
Customer feedback is positive about warmth and heating performance, and the controls are also appreciated. That feedback is relevant to the six-setting, two-control description for buyers seeking adjustable bed warming. Ratings are mostly five-star, with some lower ratings, so experiences are not uniformly positive.
Positive themes
- Customer feedback describes the blanket as getting very warm and heating efficiently.
- Customers appreciate the two control options.
Frequently asked questions
What size bed is the RHBDB8004 intended for?
The listing gives 135 x 190 cm and describes it as fitting a double mattress, with ties to secure it.
How many heat settings and controls does it have?
The manufacturer description states six settings and two controls. The included-components list does not specify controls, so confirm the bundle details in the selected listing.
Can the underblanket be machine washed?
The listed care instructions say it is machine washable at 40°C after disconnecting the control. Follow the instructions supplied with the product.
What safety features are claimed?
The listing states overheat protection, BEAB approval and a 10-hour automatic shut-off. These are manufacturer claims, not independently verified here.
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Offer details
- The stated 5p-per-hour running cost is based on one hour at full power and 27p per kWh.
- The manufacturer claims a free one-year guarantee plus an extra year upon registration.