UPC 799872420602

• 4400 Ah LI-ION, SUPER LONG-LIFE!!! 1 X Rechargeable Extended Long Lasting Lithium Ion Batteries 7.4V 4400mAh with a Free Bonus Side Brush.
• BEST PERFORMANCE BATTERY for iRobot Roomba and Scooba! Longer operating time and battery life! 4400 mAH vs original battery's 3200 mAH (80~110 min vs. 50~70 min running time), Replacement for iRobot Roomba 500, 600, 700, 800 Series
• LIFE SAVER! MONEY SAVER!! Save money by using a lithium battery (800 cycle times, 1 Lithium = 4 NiMH/NiCd batteries), 4x longer Life than iRobot® batteries and all aftermarket replacement batteries
• NO MEMORY EFFECT, ULTIMATE PROTECTION CIRCUIT DESIGN!!! Advancessd Li-Ion technology provides improved energy density. Built-in over-charge, over-discharge, over-voltage, over-current, and over-temperature protection. No memory effect. Low rate of self-discharge (1% per month)
• RISK-FREE GUARANTEE! You will be 100% satisfied or we'll give you your money back. PLUS ONE YEAR WARRANTY (vs. Neato 6 months warranty offer). Visit Cyber-tech.com for more product information.

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