
Genuine ABL-B Replacement Battery for iRobot Roomba S9+ & S9 Robot Vacuum
Restore Peak Performance to Your Flagship Roomba. This genuine ABL-B replacement battery is engineered to the original 48Wh (14.4V, 3300mAh) specification for your premium iRobot Roomba S9+ (9550) or S9 (9150). Ensure your robot vacuum operates with the powerful, consistent suction and precise navigation it was designed for.

Precision Compatibility
This ABL-B battery is the official replacement for iRobot's most powerful models:
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Roomba S9+ (Model 9550)
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Roomba S9 (Model 9150)
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Battery Code: 4INR19/65-2
Key Specifications & Authenticity
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Battery Model: ABL-B (Genuine iRobot Specification)
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Capacity: 48 Wh (3300mAh)
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Voltage: 14.4 V (Critical for S9 Compatibility)
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Type: Li-Ion Battery
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Condition: Brand New, High-Quality Replacement

Why the Correct ABL-B Battery is Critical for Your Roomba S9
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Optimized for Powerful Suction: Delivers the stable, high power output required by the S9's advanced anti-allergen system and premium suction motor.
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Ensures Perfect Navigation: Provides consistent voltage to maintain the accuracy of the PerfectSense navigation and vSLAM mapping technology.
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Guaranteed Fit & Safety: Precision-engineered to fit seamlessly into the D-Shaped chassis, with integrated protection circuits for safe, reliable operation.
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Maintains Smart Home Integration: Works flawlessly with the iRobot HOME App for scheduled cleanings and performance tracking.
Simple 2-Minute Installation
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Turn your Roomba S9 over.
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Press the battery compartment latch and open the cover.
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Pull the tab to gently remove the old ABL-B battery.
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Insert the new battery, ensuring the connectors are fully seated.
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Close the cover and place your Roomba on the Home Base for a full charge.
Important Usage Notes
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For Best Performance: Allow a full 3-hour charge cycle before the first use to calibrate the new battery.
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Official Charger: Use only with the original Roomba S9/S9+ Home Base charging dock.
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Battery Health: For optimal longevity, allow the battery to run down completely every few months.

Frequently Asked Questions (FAQ)
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Q: Is this compatible with both the S9 and S9+?
A: Yes. The Roomba S9 and S9+ use the identical ABL-B battery. -
Q: What is the code 4INR19/65-2?
A: This is the manufacturer's technical cell specification for the ABL-B battery, confirming it matches the original's performance. -
Q: Will this work with a Roomba i7 or j7?
A: No. The Roomba S9 series uses a unique battery (ABL-B). The i-Series and j-Series use the ABL-D1 battery. -
Q: How do I know if my battery needs replacement?
A: Signs include significantly reduced runtime, the robot dying mid-clean, or error messages about power or charging.
Ready to Bring Your S9 Back to Life?
Order your genuine ABL-B replacement battery today and experience a clean like new.
Compatible Models:
iRobot Roomba S9 9150, S9+ 9550 Robot Vacuum Series
| Battery Capacity | 48WH 3300mAh |
| Brand | YuYan |
| Voltage | 14.4V |
| Model No | ABL-B |
| Warranty | 12 Months |