iRobot Roomba 900 800 700 600 Series Replacement Battery (5200 mAh, Lithium-Ion Battery )
Wide Compatibility with Roomba 600-900 Series：Compatible with iRobot Roomba 600, 700, 800, and 900 series models — including 980, 960, 890, 880, 860, 780, 770, 690, 675, 650, and more. Please check your model number before purchase to ensure compatibility. High-Performance iPower 4.0 Technology：Powered by 14.8V 5200mAh Li-ion cells from a well-known Japanese brand, featuring advanced iPower 4.0 technology for consistent and reliable performance across all cleaning tasks. Extended Runtime with 800 Cycle Lifespan：Delivers up to 2.5-3.5 hours of runtime for Roomba 600-800 NiMH series, and 1-2 hours for Roomba 900 series and 600-800 Li-ion models. Retains 80% capacity after 800 charge cycles — built to last. (Note: Actual runtime may vary depending on model and floor type.) Multi-Layer Safety Protection：Equipped with over-charge, over-discharge, over-voltage, over-current, and over-temperature protection. No memory effect and low self-discharge rate (only 1% per month) for hassle-free maintenance. Easy Care Tips for Maximum Lifespan：For best results, fully charge the battery before first use. If not used for an extended period, recharge it weekly to prevent the undervoltage fuse from triggering and to maximize battery life.