The Mi Robot Vacuum Cleaner Essential H18650CH-4S1P is a rechargeable lithium-ion battery specifically designed for use in certain devices. With a capacity of 2500 milliampere-hours (mAh) and a voltage of 14.4 volts (V), this battery provides a reliable power source for the operation of robot vacuums. The battery weighs 136 grams, making it lightweight and easy to handle. Its dimensions are device-specific, meaning it is optimally tailored to meet the requirements of the respective device. When using this battery, it is important to observe safety precautions, as it is labeled with hazard symbols for health risks and flammability. This rechargeable battery is an essential component for the functionality of the Mi Robot Vacuum Cleaner and contributes to the efficiency and performance of the device.