THE NEW SUPER HIGH CAPACITY LITHIUM BATTERY!

LONGEST LIFE AND LONGEST RUNNING IROBOT ROOMBA BATTERY ON THE PLANET!

High quality, environment friendly, longest lasting battery for the iRobot Roomba 500 series.
Lithium batteries may cost you a little more, but our iRobot Roomba Lithium battery last 6X longer and will hold a charge for nearly twice as long as the stock niCd, NIMh and all market iRobot Roomba replacement batteries.

The iRobot Roomba Lithium Battery - 500 Series Super High Capacity has safeguarded built-in-smart charging CC, CV circuit and is Super High capacity 67% more than the original iRobot Standard APS battery.

iRobot Roomba Lithium Battery Super High Capacity - 500 Series features:

Capacity 6400 mAh (67% higher than original iRobot Roomba APS battery)
Li-Ion power cell
90% capacity after 900 cycles
Built-in over protection circuits provide safety and reliability (over-charge, over-discharge, over-voltage, over-current and over-temperature)
Patent battery balancing technology for expanded battery life
No memory effect
Low rate of self-discharge (1% per month)
Fully compatible with original charger