Compatible iRobot Roomba 400 and 4000 Series Battery

• Chemistry: Ni-MH
• Voltage: 14.4v
• AmpHours: 3500mAh
• Number of Cells: 12 

We here at Power Tool Express work extremely hard to not only provide the highest quality products, but back those products with excellent customer service. We back each product with a 30 day money back guarantee and a 1 year warranty. We know you need your items quick and so we ship from the US. Please note that many of our competitors claim they ship from the US but ship from China and overseas. If you are not happy with your purchase, give us a call and we will fix any issues you have. That is our promise and guarantee.

We accept Purchase orders from various distributors, contractors, schools, universities, government institutions, and others. To make a purchase order, please send the purchase order to us via this form and we will have your order processed within 24 hours. We accept multiple terms of payment including credit cards, checks, PayPal, & government cards. For more questions regarding purchase orders, feel free to call our sales department at 1 (855) 705-0775