This is a brand new Battery Pack, it is compatible with Roomba Advanced Power System (APS) Battery. Ni-mh 3000mAh High Capacity, Guaranteed. This battery is compatible with Roomba models. Please note maybe you get the battery\'s color vary. The battery is not come from iRobot, is replacement battery. Apply to:iRobot Roomba 560 530 510 562 550 570 500 581 610 780 532 770 760 Size:138 * 45 * 43 mm Net Weight: 0.65kg Tips: To Install the Battery Pack: 1. Turn Power switch to the Off position. 2. Be sure dust bin is empty, then place Roomba upside down(with celeaning brushes showing) on a flat surface. 3. Guide the Battery Pack into the battery compartment using your index fingers(as shown). The Battery Pack will click into place when properly seated in Roomba. To Remove the Battery Pack: 1. Repeat Steps 1 & 2 from above. 2. Place your index fingers under the guide tabs on the Battery Pack, then pull upward to release the Battery Pack.