14.4V 4000mAh Vacuum Cleaner Compatible Replacement Battery,Compatible For Conga 3090, 3091, 3092, 1690, 1890, 2090(3500mAh)

Compatible models：3090, 3091, 3092, 1690, 1890, 2090Type : Li-IonCapacity : 2600mAh/4000mAhOrigin : Mainland China

• Its interface and size are the same as the specified model of accessory components, and installation can be completed in just 2 minutes, saving you time and effort. After replacing the battery, the endurance is strong and the usage time is longer
• As the usage frequency increases, the performance of the robot vacuum cleaner battery will gradually decline, resulting in weakened suction and slower cleaning speed
• Replacing the battery can restore the robot vacuum cleaner to its optimal working state, effectively improving cleaning efficiency and ensuring a clean floor
• When the battery performance is poor, the power supply may be unstable, which can have some impact on hardware devices such as the motor and control circuit of the robot vacuum cleaner. Long term use may lead to hardware failures
• Replacing the battery can provide a stable power supply, helping to protect the hardware of the robot vacuum cleaner and extend its overall lifespan