# Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush

Philips Sonicare DiamondClean 9900 Prestige HX9813/91 is a rechargeable sonic toothbrush with SenseIQ pressure adaptation, coverage guidance and a charging travel case. Its handle display works without a phone, while Bluetooth app syncing is optional. Customer feedback praises cleaning and travel convenience but raises concerns about reliability, battery life and cost.

- [Original product page](https://bargainpostbox.co.uk/product/philips-sonicare-diamondclean-9900-prestige-hx9813-91)
- [View offer](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-9900-prestige-hx9813-91)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: PHILIPS
- Model: HX9813/91
- Category: Beauty & Health > Personal Care Appliances > Electric Toothbrushes
- Price: 249.99 GBP
- Previous price: 599.99 GBP
- Discount: 58%
- Price checked: 2026-11-12T18:41:13.692Z
- Rating: 4 / 5
- Reviews: 749

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- SenseIQ adapts brushing intensity to the user's style, while pressure feedback provides real-time guidance.
- Coverage feedback indicates areas to clean and the handle display can show areas to retouch after brushing.
- Choose from eight modes and three intensities on the handle. Bluetooth app syncing can add progress tracking and tips.
- Manufacturer claims 62,000 bristle movements per minute and includes a charging travel case and charging base with glass.

## Pros

- Handle-based controls and feedback mean core smart guidance does not require a smartphone app.
- Charging travel case and charging base with glass are listed in the supplied contents.
- Eight modes and three intensities offer multiple ways to tailor brushing.

## Cons

- Customer feedback includes concerns about reliability, durability and battery charge retention.
- Some customers consider the toothbrush expensive, so the advanced guidance and included charging accessories need to justify the cost for the buyer.

## Specifications

### Identity
- Brand: PHILIPS
- Model: HX9813/91
### Brushing and controls
- Settings: 24
- Modes: 8 modes
- Intensities: 3 intensities
- Brush-head firmness: Soft
- Brush-head shape: Oval
- Bristle material: Nylon
- Handle material: Plastic
- Movement rate: 62,000 bristle movements per minute
### Connectivity and guidance
- Connectivity: Bluetooth Connectivity
- Operation mode: Automatic
### Power and battery
- Power configuration: battery\_powered\_rechargeable
### Dimensions and installation
- Weight listed: 0.74 Kilograms
- Package dimensions: 25.2 x 16.8 x 10.1 cm; 736 g
### Other details
- Colour: White
- Age range: Adult
- Country of origin: China

## Before you buy

- Philips describes adaptive pressure and coverage features as guidance, not as a substitute for brushing technique. The stated plaque, gum-health and stain-removal comparisons are manufacturer claims, not independently verified results. The listing gives no runtime or battery-life figure, despite customer concerns about charge retention.

## In the box

- 1x Next-Generation DiamondClean 9900 Prestige rechargeable sonic toothbrush (Included)
- 1x A3 All-in-One brush head (Included)
- 1x Prestige charging travel case (Included)
- 1x Prestige charging base (Included)
- 1 glass (Included)

## A good fit for

- Adults wanting on-handle pressure and coverage guidance without needing an app for core features.
- Buyers who want a travel charging case and multiple brushing modes and intensities.

## Less suited to

- Buyers prioritising a clearly stated battery runtime or a basic, lower-cost brush.
- Anyone who does not want a connected toothbrush or its additional guidance features.

## Customer feedback

Customer feedback highlights effective cleaning and appreciation for the travel case, both relevant to the sonic brushing system and listed travel accessory. Reports about reliability and battery life are mixed or critical, including concerns about products stopping or breaking and not holding charge. App reactions are mixed, and some customers consider the brush overpriced. These reported experiences matter because the listing does not specify battery runtime, while the guidance and app features are central parts of the product proposition.
- Positive themes: Customers describe the toothbrush as effective at cleaning teeth and appreciate its travel case.
- Negative themes: Customers raise concerns about durability and value for money, with reports of breakage and dissatisfaction with the price.
- Mixed feedback: Feedback on reliability and battery life is mixed, with some customers reporting problems and others saying the toothbrush works well.
- Mixed feedback: App functionality receives mixed reactions, with some finding it useful and others considering it a gimmick.

## Frequently asked questions

### Does the toothbrush require the Sonicare app?
No. The listing says core smart features are available on the handle display. Bluetooth connection to the app is optional for progress tracking and additional tips.
### How many brushing modes and intensities are listed?
The feature description specifies eight modes and three intensities. The title and product details also state 24 settings.
### What is included?
The manufacturer contents list names the toothbrush, one A3 All-in-One brush head, one Prestige charging travel case, one Prestige charging base and a glass.
### How long does the battery last?
The supplied listing does not give a runtime or battery-life figure. Customer feedback includes reports of charge-retention problems, so buyers for whom runtime matters should take that uncertainty into account.

## Alternative options

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- [Laifen Wave Pro Electric Toothbrush, 60° WaveMotion, 66,000 VPM, White \| 13x Plaque Removal, APP Connectivity, 70-Day Battery, Pressure Sensor, IPX8 Waterproof, 2 Pro Brush Heads, Ideal for Travel](https://bargainpostbox.co.uk/visit/laifen-wave-pro-electric-toothbrush)
- [Laifen Wave Pro Electric Toothbrush, 60° WaveMotion, 66,000 VPM, Blue \| Aluminium Alloy, 13x Plaque Removal, Smart App Control, 70-Day Battery, Pressure Sensor, IPX8 Waterproof, 2 Pro Brush Heads](https://bargainpostbox.co.uk/visit/laifen-wave-pro-electric-toothbrush-blue)
- [SURI NEW Core Sonic Electric Toothbrush \| Up to 4 Weeks Battery \| Travel Head Cover \| Pressure Sensor \| Bio-Based Body\* \| 2-Minute Timer \| Plant-Based Head - Green](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-9900-prestige-hx9813-91)
- [Philips Sonicare DiamondClean Smart 9400 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Black, Model HX9918/89](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-smart-9400-hx9918-89)
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- [Philips Sonicare Next-Generation DiamondClean 8500 Sonic Electric Toothbrush − with Smart Pressure Feedback and 18 Settings, Powder White & Black, 2 Pack, HX8596/21](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-8500-hx8596-21-two-pack)
- [Philips Sonicare Next-Generation DiamondClean 8500 Sonic Electric Toothbrush − with Smart Pressure Feedback, and 18 Settings, Black, HX8514/12](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-9900-prestige-hx9813-91)
- [Aquasonic Black Series Ultra Whitening Electric Toothbrush \| ADA Accepted Toothbrush \| 8 Brush Heads & Travel Case \| 40,000 VPM Electric Motor & Wireless Charging 4 Modes w Smart Timer](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-9900-prestige-hx9813-91)
- [SURI Pro Sonic Electric Toothbrush \| Over 4+ Weeks Battery \| Pressure Sensor \| Aluminium Body \| 2-Minute Timer \| Plant-Based Head \| Green](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-9900-prestige-hx9813-91)
- [Oral-B iO9 Electric Toothbrushes For Adults, App Connected Handle, 3 Toothbrush Heads, Charging Travel Case and Toothbrush Head Holder, 7 Modes, 2 Pin Plug, Rose](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-9900-prestige-hx9813-91)

## Add-ons

- [Philips Sonicare A3 Premium All-in-One, Genuine Replacement Toothbrush Heads, White, 4 Pack, HX9094/87](https://bargainpostbox.co.uk/visit/philips-sonicare-diamondclean-9900-prestige-hx9813-91)

## Images

![Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush — 1](https://bargainpostbox.co.uk/i/xqnIzJHmRpKVzBCPPPXikPi9Fm98sigU6kyTQ7B1wEvagdwJqOq7PmRgYM990aesgnGuzGWxWQcSHOCPCQGaPVQw6jilJKKivT92B9InjmI5Wgk6e1ISI3Xz.jpg)

![Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush — 2](https://bargainpostbox.co.uk/i/DD2vMy0Vz1XJNK0bnzKTxFf9fx51sXPFB1NmCEuEJ3xgc1edwo1WAVgltqTH671ScJ6LpzDprMZHnRHcBeo8zOYlcrpfxhgTj9g1T5YzrbFR6ilMiUBTA5U5.jpg)

![Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush — 3](https://bargainpostbox.co.uk/i/BNOgucUPTWVqgoPmAVzGSJC7xXmMkfDQuOIdL0bOfq80Bix8LLmmragV-pX41nRWiI7j80ptqoGPpQ7MOg4MJNflG3hsLsaadytH5Bhl5o_K74S_8r7seEs4.jpg)

![Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush — 4](https://bargainpostbox.co.uk/i/lDrO3mY0TrKP2M4Okep6UUVZYIoaa8v_J252lTHwqriP1eFOG6Gav1ssI2OFEOJ9e6mEgBW_IzEN1wWsIefuaGJk9xuIDBxmKthnJMntRXrOmLab4YKJ65V5.jpg)

![Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush — 5](https://bargainpostbox.co.uk/i/Eh9A7jPOhqhJ204R9TAII7Fehbhtu4iVEx-O64Aqh4ENl2brwhDhllXcU2SOqvVu9xgpkYYUXxfBfEC81yq86v8tyElUEg6Z98wIaln7NO94qUxhPnTYlJIP.jpg)

![Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush — 6](https://bargainpostbox.co.uk/i/GOR9E26XwKNGJCKSHvjkfGe7uQsMhnBePoi-PG2CG4mw_3ZNa4KkVh-A60lO1MDilfrymspPdHSGogpSKjzrJFqKTQIQ0jBxggZKBP99B6AiGkz06aTtBrm7.jpg)

![Philips Sonicare DiamondClean 9900 Prestige HX9813/91 Sonic Toothbrush — 7](https://bargainpostbox.co.uk/i/p97wgrqXF5WbhlTvmPoXNwJS8sWyCDg1LvV2RsYaroWCMhG0COut8-wWdSUz9TR7_4XaUWF5TTiC4bWkED2cHIGvhsNGNe4p3rUKx2yBX1fiKed1cPGhRW8x.jpg)