Not great,not bad, just okay.
The power bank is generally acceptable, but it does not meet its stated 50,000 mAh capacity. Based on usage, it charges a 5,000 mAh Android phone approximately four to five times, indicating an actual capacity closer to 25,000–30,000 mAh. While this is reasonable for the price, the advertised capacity is inaccurate. The device does not support fast charging. Both input and output are limited, with a maximum output of 10 W. When multiple devices are connected simultaneously, the total shared output is about 12 W, which is distributed unevenly depending on the devices and cables used. As a result, charging speeds are slow. Additionally, the power bank itself takes a very long time to recharge—up to 25 hours. The battery indicator is also unreliable. The unit powers off at around 29% instead of discharging to zero, and during charging, it jumps abruptly from about 85% to 100%, suggesting inaccurate calibration. Overall, the power bank is not excellent but not poor either. It offers basic functionality at a low price and is suitable for emergency use, especially during power outages. However, it is not recommended for users who require fast charging or accurate capacity claims.