Lithium Roomba Replacement Battery For iRobot Roomba 980, 960, 890, 690, 614, 900, 800, 700, 600, 500 Series and Scooba 450, 4400mAh - UL&CE Certified Battery Pack Medical grade UL 2054 and CE Certified Battery Pack  Highest Safety Standard Fully compatible with all iRobot Roomba Lithium and Ni-MH model series and the original charger 30% more capacity + longer battery life than the OEM lithium batteries Lasts 46% longer operating time and 4X longer battery life than the OEM Ni-MH batteries Worry-Free Guarantee! For more product information, visit www.LithiumPowerInc.com UL listed #MH62234 battery pack, designed as a Medical grade battery 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 Longer Battery Life Patent Battery Balancing Technology for expanded battery life Longer Storage Time OEM batteries only offer 3,300mAh / 2,130mAh / 1,800mAh capacity. Most of other aftermarket lithium replacement batteries are not UL and CE certified. Most iRobot Roomba batteries have insufficient and decreasing operating time after 6-12 months of use Memory effect + High rate of self-discharge (over 25% a month) Roomba New Lithium Model 980, 960, 890, 690, 614 and Scooba 450 to replace OEM Lithium batteries Roomba 800, 700, 600, 500 series to replace OEM Ni-MH batteries The original charger