【High Capacity】: 6400mAh Battery for roomba is suitable for roomba 500 600 700 800 series, this li-ion battery is made of high capacity brand cells, could provide about 3-4 hours of working time after fully charged (different working enviornement maybe different working time). This battery for vacuum cleaner has more powerful and energy
【Longer Life Cycles】: This melasta are made battery are made of good cells and quality BMS, has lower self-discharge rate (1% per month), which make the battery for roomba can maintain 85% of its capacity after 1 year of use. The lifespan of this battery is extended much
【Quality and Reliable】: The 6400mAh replacement battery for roomba features an integrated printed circuit board with patented lithium-ion battery technology that protects against overcharge, overcurrent, overdischarge and overheating, provide multiple protection for your roomba vacuum cleaner
【After-sales Service】: Battery are tested strictly after production, and is CE certified. Please notice this battery is not suitable for roomba 690, 960, 980 etc models