Tenergy Replacement Battery for iRobot 400 series Roomba 4905

Specifications * Brand new Battery Pack which is compatible with iRobot Roomba Advanced Power System (APS) Battery. * This battery is fully compatible with all Roomba FloorVac models: iRobot Roomba 400 Series, Discovery Series, Create Models and Dirt Dog Models. * Size: 179mm x 51mm x 52mm (7" x 2.2" x 2.3" inches) Net Weight: 38.150 ml * Easy to charge and connect How to install: 1. Turn Power switch to the Off position. 2. Be sure dust bin is empty, then place Roomba upside down(with cleaning 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. How to remove the old 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. - Replacement Battery for iRobot Roomba 400 series - Compatible but not OEM batteries Battery is a generic replacement, not the original OEM battery. iRobot®, Scooba®, Roomba® are trademarks of iRobot Corporation. Tenergy Corporation is not associated with iRobot® Corporation.