Q: Why the battery capacity is 30000mAh, but the rated capacity is 18000mAh?
A: Because the input voltage of devices such as mobile phones is 5V. Inside the power bank, the original 3.7V will be boosted to 5V before output.
So the output capacity is 22200mAh ( 3.7V*30000mAh/5V=22200mAh).
There will be energy loss in the step-up and step-down process, and the energy conversion rate: more than 75%.
Finally, the rated capacity is about 18000mAh. (22200mAh*75%=16650mAh).
Similarly，
The battery capacity is 20000mAh,the rated capacity is about 12000mAh(3.7V*10000mAh/5V*75%=11100mAh)
Mega Power, Ultra Speed
Baseus Star-Lord Digital Display Fast Charge Power Bank
22.5W Super-Fast Charging
1、Supports 10V/2.25A high-voltage output, speeds up charging for your phones and tablets.
2、Charges HUAWEI P50 up to 30% in about 30min.
3X Faster with Full-on Power
Compatible with Apple PD 20W fast charging, say goodbye to 5W “slow” charging.
Ultra-Large Capacity
Times of Charge
Simultaneous Fast Charging for 3 Devices
Charges 3 devices at the same time with well-equipped ports
About 6 Hours to Fully Charges Itself
It takes about 6-7 hours to fully charge itself
Fast Charging Both Ways
Dual-input and triple-output, all you need is a cable for both-way fast charging
Fast with Wide Compatibility
Compatible with HUAWEI SCP/FCP, Apple PD, Xiaomi QC, Samsung AFC and more fast charging protocols
LED Digital Display Battery Level at a Glance
Real-time display of battery status, reminding you to charge the power bank timely
Smart Charging with BPSⅡ
Excellent Temperature Control, Fast Charging without Overheating
NTC temperature detection and built-in power management chip, it supports charging and discharging at the same time and lowers the temperature rise
Multiple Safety Protections
Upgraded safety performance with multiple circuit protections
