If you are looking for more affordable options, third-party brands offer compatible packs often ranging from $25 to $50. iFixit Replacement Batteries
: Designed for the 500, 600, 700, and 800 series. It is noted for delivering twice as many cleaning cycles as previous models.
: Compatible with Roomba e, i, and j series (excluding i8 and j9+).
: Look at the first digit of your model number (e.g., Roomba 675 is part of the 600 series).
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.
: A standard replacement for many 600, 800, and 900 series models. Third-Party & Budget Alternatives
: Newer models (e, i, j, s, 900 series) typically use Lithium-Ion , while older models (500-800 series) may use NiMH (Nickel-Metal Hydride).