Lithium Scooba Replacement Battery For iRobot Scooba 300, 3000, 5000 and 6000 Series, 6600mAH (4X Battery Life) - UL&CE Certified Battery Component Meets UL and CE Safety Standards 2-3 tanks on one charge, 220% operating time! 6600 mAh vs original battery's 3000 mAh Lasts 4X longer battery life: 6600 mAh + more than 800 charge cycles (Original battery offers 200) WORRY-FREE GUARANTEE! You will be 100% satisfied or we'll give you a full refund. FULLY compatible with the original charger. For more product information, visit www.LithiumPowerInc.com