iRobot Roomba s9+ Manual - Smart Mapping and Maintenance
Published: June 29, 2025 | Updated: February 10, 2026
Product Details
🏭 Manufacturer: iRobot
🔌 Plug Format: Corded-electric Clean Base®, wireless robot
📄 Specification Met: UL-certified consumer electronics
🔖 Part Number: s955020
🏋️♂️ Weight: 8.15 lbs
📏 Dimensions: 12.25 x 12.25 x 3.5 in
🏳️ Country of Origin: China
🆔 Model Number: s9+ (s955020)
📐 Size: 12.25 x 12.25 x 3.5 in
🎨 Style: Modern, corner-cleaning D-shape
🧲 Mounting Type: Self-charging floor dock
🔧 Usage: Residential vacuum cleaning
🧩 Included Components: Roomba® s9+ Robot Vacuum, Clean Base®, 2 Dirt Disposal Bags, High-Efficiency Filter, Extra Corner Brush
🔋 Batteries Included: Yes
🔋 Batteries Required: Yes
Quick Take
The iRobot Roomba s9+ Robot Vacuum is iRobot's most powerful cleaner. Its D-shaped body hugs skirting boards. The Clean Base holds dust for up to two months. Imprint Smart Mapping lets you send the robot to any room. Just tap the app or say a voice command.

Overview of Core Benefits
Flawless Corners and Edges
PerfectEdge Technology uses a D-shaped body and an angled corner brush. It picks up debris that round robots often miss.

40x Power-Lifting Suction
The motor is new and delivers up to 100% more airflow than older Roombas. It lifts sand from deep in carpet piles.

Self-Emptying Convenience
Every time the robot docks, the Clean Base pulls waste into a sealed bag. The bag holds about 30 bins of debris. That's roughly 60 days of cleaning for most homes.

Up to 120-Minute Runtime
The lithium-ion battery keeps the s9+ running for up to two hours. After that, it goes back to charge. Then it picks up where it left off.
Room-Level Mapping
vSLAM captures 230,000 data points per second. It builds a map you can name and edit in the iRobot Home app. You can draw Keep-Out or Clean Zones for exact control.

Spec Sheet at a Glance
| Feature | Detail |
|---|---|
| Weight | 8.15 lb |
| Footprint | 12.25 in diameter |
| Height | 3.5 in |
| Battery | Li-ion, up to 120 min |
| Clean Base Bag | ~30 bins (60 days) |
| Brushes | 40% wider dual rubber |
Package Options
| Model | Who It Suits | Extras |
|---|---|---|
| Roomba s9+ | Owners who want true hands-off cleaning | Clean Base, 2 bags |
| Roomba s9 | Shoppers who prefer to empty the bin and save on upfront cost | Standard home dock |
Both versions share suction, mapping, and PerfectEdge hardware.
Smart Home Works With
The s9+ fits into any connected home. It supports Alexa, Google Assistant, and Siri Shortcuts. You can start or stop a clean with your voice. Send the robot to the kitchen or call it back to its dock without touching anything. Imprint Smart Mapping stores a full floor plan. Voice prompts like "Roomba, vacuum under the dining table" lead to exact routes, not random spirals.

Beyond voice control, the iRobot Home app links to IFTTT and Home Assistant. Create routines like "run a quick clean when the last person leaves" or "pause cleaning if the doorbell rings." Allergy sufferers often pair the robot with an air purifier. It turns on when the Clean Base winds up to catch any dust in the air.
Care and Maintenance Tips
Keep Your s9+ Like New
- Replace the high-efficiency filter every two months.
- Shake out the corner brush monthly to keep edges clean.
- Check the rubber rollers weekly. Pull off hair or thread.
- Wipe the cliff and optical sensors with a dry cloth.
These quick tasks protect sensors, keep suction strong, and make your floors look great year after year.

Pros and Cons
Pros
- Best corner pickup in its class
- Self-empty dock cuts your chores
- Smart maps with no-go lines
- Tangle-resistant rubber rollers
Cons
- Higher price than j-series
- Clean Base uses disposable bags
How It Performs Daily
The iRobot Roomba s9+ Robot Vacuum is great for mixed floors. It moves from hardwood to tile to carpet on its own. It adjusts suction level for each surface. You don't need to change any settings. The robot handles it all by itself.
Homes with pets and kids need extra help. The wide dual rubber rollers grab dirt fast. They don't use bristles, so there are fewer clogs. Pet owners love how well the s9+ picks up fur around chair legs and under sofas. Clean the sensors now and then, and this robot stays near-new for years.
The smart home features add real value. You can schedule cleans by the hour. Run quick sweeps when mud or dirt shows up inside. The robot learns your floor plan. It gets smarter the longer you use it.
The s9+ is quiet in standard mode. The Clean Base emptying is a bit loud, but it only lasts a few seconds. Place the Base in a hallway or laundry room. The noise will barely register.
The Roomba s9+ blends power, range, and ease of use in one package. Cleaning becomes something that just happens. Your floors stay fresh with almost no effort from you.
Final Word
Use this manual to get the most from your Roomba s9+. If you want strong corner cleaning, low upkeep, and room-by-room control, the iRobot Roomba s9+ is the top choice. It saves hours of floor care every month.
As a robot vacuum with mapping, the Roomba s9+ plans smart routes and covers every room well.
The D-shaped body reaches deeper into corners than round robots. It cleans along walls with ease. Forty times the suction of basic models means it handles fine dust and large debris. The Clean Base holds about sixty days of dirt in sealed bags. This cuts down on allergen exposure when you toss the bag. If you want less hands-on time and great cleaning, the s9+ delivers on both counts.
The two-brush rubber roller system is one of the best parts of this robot. It grabs dirt without tangling. You spend less time pulling hair out of the brushes. The rollers flex as they spin. They stay in contact with every surface, even uneven grout lines and thick carpet. This means you get a thorough clean on every pass without adjusting anything.
The iRobot Home app is clean and simple to use. You can see a live map of your home while the robot cleans. Check which rooms are done. Send the robot to a new area. Or just pause it and let it sit. The app stores cleaning history so you can see how often each room gets cleaned. If you share your home, other family members can control the robot from their own phones too. It's a well-built app that makes running the robot easy every day.