Lithium Li-Ion 4400mAh Replacement Battery (2Hrs+ Run Time) for iRobot Roomba 500, 600, 700, 800 Series and Scooba 450, High Capacity 4.4Ah, 18 Month Warranty

Lithium Li-Ion 4400mAh Replacement Battery (2Hrs+ Run Time) for iRobot Roomba 500, 600, 700, 800 Series and Scooba 450, High Capacity 4.4Ah, 18 Month Warranty

$59.99
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Better performance, durability, and 4 times the battery life! Lithium technology has been increasingly popular in the rechargeable battery market. Products such as laptops, smart-phones, and tablets all use lithium batteries. Currently, all iRobot Roomba batteries use Nickel-Metal Hydride (NiMH) technology with decreasing operating time after 6-12 months of use. The NiMh battery has memory effect and with high rate of self-discharge (over 25 percent a month). The Best Cost/Performance Ratio The REAL Cost You Pay for Daily Usage  - Our lithium battery: $96/800 charge cycles = about $0.12/cycle - OEM Ni-MH batteries: $49.99/200 cycles = $0.25/cycle - Aftermarket Ni-MH batteries: $42/200 cycles = $0.21/cycle (3800mA or 4000mA)   Features: The first lithium rechargeable battery for iRobot Roomba 500, 600, 700, 800 Series and Scooba 450,  4400 mAh capacity, compared to the original 3200 mAh battery (operating time, varies between models)  Fully compatible with the original charger  P

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