Improve cleaning endurance: Replacing the robot vacuum cleaner's battery can significantly increase the cleaning time of a single time, and a larger area of cleaning tasks can be completed on a single charge, without the need to interrupt the cleaning process with frequent charging.Enhance cleaning efficiency: Replace the battery of the sweeping robot to keep the sweeping robot running stably, and complete cleaning, vacuuming, mopping and other actions more efficiently during cleaning, so as to avoid incomplete cleaning due to insufficient power.Reduce the failure rate: Replacing the vacuum cleaner battery can reduce the robot abnormality caused by unstable battery voltage, overheating and other problems, and reduce the cost and frequency of maintenance.Vacuum Part Type: Replacement Batteries Model Number: for A4 A4s A6 Capacity: 2600 mAh Material: plastic colour:Blue Package Contents: 1 * battery