SpecificationsHign-concerned Chemical:NoneNominal Capacity:12800mAhWeight:650gVoltage:14.4V 14.8VApplication:Compatible with iRobot Roomba 600 700 800 900 seriesModel Number:Compatible with iRobot Roomba 600 700 800 900 seriesType:Li-IonOrigin:Mainland ChinaCertification:CE,FCC,RoHS,UL,KCCertificate:Wide CompatibilityCompatible with iRobot Roomba 600 700 800 900 series: 900 960 966 965 800 801, 805, 850, 860, 877, 890, 891,895,880 861 864 866 790 785 780 775 774 770 767 765 761 760 700 699 696 695 694 691 690 685 681 680 677 676 675 671 670 665 655 654 653 652 651 650 645 640 635 632 631 630 625 620 615 614 610 605 600Relpacement Battery for Irobot RoombaType: Li-ion, Voltage: 14.4V, Capacity:1800mAh. Compatible with iRobot Roomba 600 700 800 900 series which using Li-ion batteries. Note: Not applicable to Roomba 500 600 700 800 series which using NIMH batteries.Upgrade to Lithium BatteryOnce fully charged, allow your robot to run for 2 to 3 hours(varies between models), your Roomba won't have to be charged multiple times for one cleaning job.Years of UseBesides delivering longer runtime, the lithium battery for Roomba is also superior in longevity thanks to the 800 charge cycles brought by its' Li-ion cell, making it sustainable for 1-2 years - save you the trouble of replacing your ordinary Ni-Mh batteries every few months.Safe to UseUL and CE certified Lithium battery cell, protect it from over-charge, over-discharge, over-voltage, over-current, over-heating, short circuit. We care about the experience of each customer and serve you wholeheartedly