Hanaix Ni-Mh 14.4v 4800mAh Replacement Battery for iRobot Roomba 500 600 700 800 &900 Series High Capacity Replacement For iRobot 80501 Battery

About Hanaix:Hanaix is specialized in designing and manufacturing high quality replacement batteries.Hanaix constantly improve the products and service to satisfy buyer's updated demand.Hanaix try it best to cover the most popular brand: Bosch, Dewalt, Hitachi, Makita, Etc.About Ni-MH battery:Ni-MH battery doesn't contain harmful substance (Cd, Pb, Hg), protect your health.Ni-MH battery doesn't contain heavy metal, make no pollution to the environment.Ni-MH battery have no memory effect, it can be charged or discharged as you want.Ni-MH battery's energy density is higher than Ni-CD battery, make it smaller, lighter.Replace:iRobot Roomba 80501Fit for: (Please search with "Ctrl+F")iRobot Roomba R3, 500, 600, 700, 800 Series:500, 510, 520, 521, 530, 531, 532, 533, 535, 536, 540, 545, 550, 551, 552555, 560, 561, 562, 563, 570, 580, 581, 582, 585, 595, 600, 610, 620, 630631, 650, 653, 654, 655, 660, 700, 760, 770, 775, 780, 790, 800, 870, 880Package:1 x Replacement BatteryGuarantee:30 days full refund and return, 365 days limited warranty, 24 hours warmly service.Warm Prompt:Please use your batteries at least once a month, long-term storing is not suggested.Please clean the battery contacts using a cotton swab with alcohol when necessary.Please let the battery totally cool down and have a adequately rest before recharge.Please store your batteries in the ordinary temperature and air-drying environment.Please fully charged and discharged the battery for 3 times to reach best conditions.Please don't use a strong power to make your tools run again when it were stucked.