SPARKOLE 5300mAh Extended Life Lithium Ion Battery Compatible with iRobot Roomba 500 600 700 800 Series 675 880 770 650 655 595 870 890 860 805 850 780 790 760 630 620 645 671 531 585 561 560 550 891
- Superior Lithium Battery with Better Performance – Once fully charged, our 5300mAH high capacity Li-ion battery allows your iRobot Roomba to run for 2 to 4 hours without returning to its base(varies between models). Works much longer than the original battery and other cheaply made NiMH replacement batteries..
- Years of Use – Thanks to the 1000 times cycle life and 1% low self discharge rate, the Sparkole battery for Roomba could easily works up to 2 years without problem, save you the trouble of replacing your ordinary Ni-Mh batteries every few months.( 1 Sparkole battery = 5 NiMH battery in terms of lifetime )..
- Highest Safety Standard – UL and CE certified Lithium battery cell, built-in patented PCB to protect it from over-charge, over-discharge, over-voltage, over-current, over-heating, short circuit. Safe and reliable..
- Wide Compatibility – Easy to install and perfectly compatible with iRobot Roomba R3 500 510 516 520 521 525 530 531 532 533 534 535 536 540 545 550 551 552 555 560 561 562 563 564 565 570 580 581 585 590 595 599 600 605 610 614 615 620 625 630 631 632 635 640 645 650 651 652 653 654 655 660 665 670 671 675 677 680 685 691 694 695 700 760 761 765 770 774 775 780 785 790 800 805 850 860 861 864 866 870 8....