XIAOMI 212W HyperCharge Portable Power Bank 25000mAh.

Technical specifications: High voltage/current input protection: - OVP circuit prevents overvoltage/current from damaging the device.
High voltage/current output protection: - Monitors the output voltage and shuts down the device when the current exceeds the maximum level for device protection.
Short circuit/reset protection: - The electronic board and battery cells are automatically protected in case of a short circuit or reset, as well as protection for mobile devices.
Foreign object protection: - Detects when a foreign object short-circuits the contacts or is not compatible with the voltages and currents for which the backup battery was designed.
Overcharge and over-discharge protection: - Using Japanese technology prevents overcharging and excessive power discharge from damaging the battery cells.
High current short circuit protection: - Monitors the current and shuts down the battery when the current exceeds the maximum level for device protection.
Temperature protection: - A heat-sensitive mechanism and temperature regulation ensure safe operation of Li-ion batteries.