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Deal ends Aug 09.
Features:
Ultra high capacity 4400mAh lithium battery has 46% more capacity than the original battery with 3000mAh
Perfectly compatible with the models of iRobot Roomba 500,600,700 and 800 series. And fully compatible with the original Roomba charger
No memory effect + low rate of self-discharge ensure long operating life and high capacity of the battery
Save money-lithium battery offers more cycle times than NiMH/NiCd batteries (1 Lithium = 4 Ni-MH/Ni-Cd batteries)
Built-in over-charge, over-discharge, over-voltage, over-current, and over-temperature protection