Specifications High-concerned chemical:None Nominal Capacity:12800mAh Weight:500g Voltage:14.4V/14.8V Size:18650 Model Number:Roomba 960 895 890 860 695 680 690 675 640 614 Series 4376392 Type:Li-Ion Brand Name:Aleaivy Origin:Mainland China 【Wide Compatibility】Compatible with iRobot Roomba 600 700 800 900 series: 900 960 966 965 800 801, 805, 850, 860, 877, 890, 891,895,880 861 864 866 790 785 780 775 774 770 767 765 761 760 700 699 696 695 694 691 690 685 681 680 677 676 675 671 670 665 655 654 653 652 651 650 645 640 635 632 631 630 625 620 615 614 610 605 600 【Relpacement Battery for Irobot Roomba】Type: Li-ion, Voltage: 14.4V, Capacity:5200mAh. 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 Battery】Once 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 Use】Besides 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 Use】UL 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!