The rechargeable Lithium Ion battery known as the ABL-B is intended for use with the iRobot Roomba S9 and Roomba S9+ robot vacuums. This battery has a voltage of 14.4V and an energy capacity of 74.88Wh, thus offering a replacement that is compatible with the Roomba S9 series machines which use the ABL-B battery specification.

The battery in question is of the ABL-B 4INR19/65-2 model and is provided as a genuine new replacement battery featuring Grade A cells. It is intended to be compatible with the Roomba S9 and S9+ models listed, such as the Roomba S9 9150 and the Roomba S9+ 9550.

The battery has a green casing and is offered as a new product. It is advisable to check the battery's model number against that of your Roomba and refer to the compatibility information listed below to make sure that the ABL-B battery is appropriate for your robot vacuum.

Product Specifications

Compatible Part Number

This replacement battery is compatible with:

• ABL-B

• 4INR19/65-2

When replacing the battery, check the part number printed on your existing battery whenever possible.

Compatible iRobot Roomba Models

This ABL-B battery is designed for the following iRobot Roomba models:

Roomba S9

• iRobot Roomba S9

• Roomba S9 9150

Roomba S9+

• iRobot Roomba S9+

• Roomba S9+ 9550

The compatibility list is specifically focused on the Roomba S9 series. Always verify your model number before purchasing.

About the ABL-B Battery

The ABL-B 4INR19/65-2 is a rechargeable Lithium Ion battery specification for compatible Roomba robot vacuums.

Its main specifications are:

• 14.4V operating voltage

• 74.88Wh energy capacity

• Lithium Ion battery chemistry

• ABL-B / 4INR19/65-2 part number

• Green battery housing

The 74.88Wh specification describes the battery's stored energy capacity. Actual cleaning runtime can vary depending on the Roomba model, cleaning mode, floor conditions, battery age, and other operating factors.

When Should You Replace a Roomba S9 Battery?

A Roomba battery may need replacement when the robot vacuum no longer operates for as long as it previously did.

Common signs of an aging battery include:

• Shorter cleaning cycles

• More frequent charging

• The robot returns to its charging station sooner

• Reduced operating time after charging

• The battery does not hold its charge as expected

If your Roomba S9 or S9+ uses an ABL-B 4INR19/65-2 battery, replacing the battery with a compatible ABL-B model can provide a practical replacement solution.

Compatibility Check Before Ordering

For the best fit, check both:

Roomba model: S9 / S9+
Battery part number: ABL-B / 4INR19/65-2

Do not rely only on the appearance of the battery. Comparing the model and part number helps reduce compatibility issues when purchasing a replacement battery.

Product Quality

This battery is supplied as a brand-new genuine battery with Grade A cells. It is designed as a replacement for compatible Roomba S9 series batteries.

The product description specifies compatibility with the listed S9 and S9+ models. Actual battery performance may vary according to the robot vacuum and operating conditions.

Frequently Asked Questions

What battery does the Roomba S9 use?

The compatible battery specification listed for this product is ABL-B 4INR19/65-2, a 14.4V rechargeable Lithium Ion battery with a 74.88Wh energy capacity.

Is the ABL-B battery compatible with Roomba S9+?

Yes. This battery is listed as compatible with the iRobot Roomba S9+, including model 9550.

What is the part number for the Roomba S9 battery?

The compatible part number for this product is ABL-B 4INR19/65-2.

What is the voltage of the Roomba S9 ABL-B battery?

The ABL-B battery listed here has a 14.4V voltage.

What is the capacity of the ABL-B battery?

This ABL-B replacement battery is rated at 74.88Wh.

Does this battery fit Roomba S9 9150?

Yes. Roomba S9 9150 is included in the supplied compatibility list.

Does this battery fit Roomba S9+ 9550?

Yes. Roomba S9+ 9550 is included in the compatibility list.

How do I know if my Roomba S9 battery needs replacement?

A battery may need replacement when the Roomba has noticeably shorter cleaning cycles, requires more frequent charging, or no longer maintains its previous operating time.

How can I confirm compatibility before ordering?

Check the model number of your Roomba and the part number on the existing battery. For this product, the key identifiers are Roomba S9/S9+ and ABL-B 4INR19/65-2.