Masione 3500mah Replacement Vacumm Battery for iRobot Roomba 500, 600,700, 800 Series R3 500 510 530 531 532 533 535 536 540 545 550 552 560 562 570 580 581 585 595 3000 mah high capacity Ni-Mh replacement rechargeable battery, offers longer running time, convenient to use 100% Compatible with iRobot Roomba 500, 510, 530, 531, 532, 533, 535, 536, 540, 545, 550, 551 552, 560, 562, 570, 580, 581, 585, 595, 600, 620, 630, 650, 660, 700, 760, 770, 780, 790, 800, 870, 880 vacuum cleaner A direct drop-in replacement requires no additional modifications or tools. Compatible with current iRobot charger Like with many electronic devices, its important to fully use your battery charge as much as possible. Especially on your first run with a new battery pack, let it fully exhaust itself before recharging. 30 Days Money Back, One Year Warranty,24 Hours Customer Supports, if there are any issue, please don't hesitate to contact us Charges in 3 hours and provides 100 minutes of run time. Lasts for hundreds of cleaning cycle. Easy to use, plug-in replacement. Replace your old battery in minutes. Made with high-quality batteries: durable, reliable, and long lasting. 50% greater run-time than the original battery. High Capacity Rechargeable Battery. Specifically designed and tested for Roomba and FloorVac Models. Battery Cpacity:3000mAh Battery Votage:14.4volt Battery Color: Purple