The First Lithium Replacement Battery for iRobot Roomba!! Meets UL & CE safety standards!!Better performance, durability, and 4 times the battery life!The Last One You Will Need! Thousands of users love our products!Why is there a need? Currently, most iRobot Roomba batteries use Nickel-Metal Hydride (NiMH)/Nickel-Cadmium (NiCd) technologyInsufficient and decreasing operating time after 6-12 months of use Memory effect + High rate of self-discharge (over 25% a month) iRobot only offers 6 months of warrantySafe and Reliable - Safety Certificates＊Cell Selection: UL 1642 & CE listed only ＊Housing Design: Patent hard case to prevent damages from shock and vibrations＊Battery protection: Built-in over-charge, over-discharge, over-voltage, over-current, and over-temperature protection circuit ＊UN 38.3＊Approved by U.S. Department of Transportation (DOT)Other Features Fully compatible with the original charger 4400 mAh capacity vs. original battery's 3000 mAh (46% longer operating time, varies between models) Patent battery balancing technology for expanded battery life; remains at 80% capacity after 800 charge cycles (vs. 200 cycles of the original) No memory effect + Low rate of self-discharge (1% per month) One year warrantyOther Products Roomba 400/4000 Series, DirtDog, Discovery, Scheduler, Burgundy and Create: amazon.com/dp/B00N9IO4F2 Scooba 300/3000, 5000 and 6000 Series: amazon.com/dp/B00N9IQUXQ
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