21.6V 5000mAh Li-ion Battery, Compatible For Samsung Jet 90/Jet 75 Pet/Jet 75 VCA-SBT90/XAA, Cordless Stick Vacuum Cleaner(3500mAh)

As the battery life increases, its capacity gradually decreases, resulting in a decrease in battery life. Replacing the battery of the robot vacuum cleaner can restore the original battery life of the robot vacuum cleaner, thereby extending the cleaning time Replacing the vacuum cleaner battery can provide a stable power supply, ensuring that the vacuum cleaner can continue to operate efficiently during the cleaning process, reducing cleaning interruptions due to low power Battery performance directly affects the robot's suction and other functions. Replacing the battery of the robot vacuum cleaner can provide stronger power support and enhance the cleaning effect Replacing the vacuum cleaner battery regularly can avoid damage to other parts due to battery aging, extending the overall life of the vacuum cleaner robot vacuum cleaner