Backup battery 33W 20000mAh model Xiaomi Power Bank 20000mAh in gold color.

Technical specifications: The backup battery supports charging 3 devices simultaneously: with a fast charging output of 33 watts per single port.
Supports a charging output of 20 watts: for smartphones from the iPhone family.
Supports charging small devices (Bluetooth headset or smart bracelet): - Double-pressing the button will initiate slow charging for two hours at a low current.
High input voltage protection: - OVP circuit prevents overvoltage from damaging the device.
High output voltage protection: - Monitors the output voltage and shuts down the device when the current exceeds the maximum level for device protection.
Short circuit protection: - The motherboard and battery are automatically protected in case of a short circuit, as well as protection for mobile devices.
Automatic reverse connection protection: - Detects when the charger is connected incorrectly and will stop charging automatically.
Overcharge and over-discharge protection: - Using Japanese technology prevents overcharging and excessive power discharge from damaging the batteries.
High output current protection: - Monitors the output current and shuts down the portable battery when the current exceeds the maximum level for device protection.
Temperature resistance: - A heat-sensitive mechanism and temperature regulation ensure safe operation of Li-ion batteries.