This is a used Genuine OEM iRobot 1800LI Battery For Roomba 675 801 805 850 860 877 890 1800 mAh. It does not have any voltage on it right now and I cannot charge it. If you have any problems please contact me with in 30 days and I will gladly work with you. What you see in the photos is what you will be receiving. Should you have any questions or would like more photos please let me know. There are scratches and scuffs so, please review the photos for any wear and tear. Thank you!