Neato Robotics XV Signature Robotic Vacuum Powerful; The strongest suction available in a robot vacuum; Blade brush for superior cleaning on carpet Intelligent; Advanced laser guided navigation featuring Smart Sensor technology; Robot software can be upgraded when new features become available High Performance; One high performance filter; Best choice for reducing dust and allergens Automatic; Control center makes it easy to schedule daily cleanings or spot clean instantly Kindly refer the user manual and video under product details below for troubleshooting steps.Please follow steps mentioned in the attached user manual and the videos provided to re calibrate the battery.