You can buy official replacement batteries directly from the iRobot website or through authorized retailers like Amazon , Walmart , and Batteries Plus . Authentic iRobot Options

: Available at Walmart for around $26.99, these often offer higher milliamp-hour (mAh) ratings for potentially longer runtimes. Tenergy Battery Packs Go to product viewer dialog for this item.

: Check the bottom of your current battery for a specific part number like ABL-D1 or 4624864 to ensure an exact match.

If you are looking for more affordable options, third-party brands offer compatible packs often ranging from $25 to $50. iFixit Replacement Batteries

: Often cited by community reviewers as a "good value" alternative for around $30. How to Identify the Right Battery

Official batteries are recommended to maintain your warranty and ensure compatibility. Most official lithium-ion and XLife batteries are priced around $99.99 . iRobot McKinley Replacement Lithium Ion Battery Go to product viewer dialog for this item.