Description of ๐ 14.4V 4.5Ah Replacement Battery Compatible with Roomba R3 Series 500-900 - Fits Models: 500, 510, 530, 531, 532, 535, 536, 540, 550, 552, 560, 570, 580, 595, 600, 620, 650, 660, 700, 760, 770, 780, 790, 870, 880, 980
Battery type: NI-MH | Capacity: 4500mAh | Voltage: 14.4Volt. Real high capacity offering long-lasting performance and durability.providing up to 20% more power and holds a charge 2X longer than 3.0 batteries. Compatible with Roomba R3 Batteries 500, 600, 700, 800 900 series vacuum cleaners 500, 510,520, 530, 531, 532, 533, 535, 536, 540, 545, 550, 552, 560, 561, 562, 564, 570, 572,580, 581, 582 ,585, 595, 600, 610, 611, 614, 620, 625, 627 653, 630, 631, 650, 654, 655, 660, 670, 700, 760, 770, 780, 790, 800, 860, 870, 871, 880,900, 980. Safeguard features against overcharging, over discharge, over current, provides short circuit protection and steady voltage circuit, all of these prolong battery life. Impact-resistant outer case and shock-absorbing inner-liner are engineered to protect your battery from damage when working. Built-in High quality Cells to provides optimized performance and overload protection using total system communication between tool, battery and charger. No memory effect and virtually no power discharge for maximum productivity and reduced down-time. GERTI BATT focuses on high quality products, Please feel free to contact us if you have any concern about this item. We will try our best to promise you an enjoyable shopping experience. Welcome to share your feelings with us.