44,000mAh (milliampere-hour) power bank is a portable device that stores a large amount of electrical energy, typically used to charge other devices like smartphones, tablets, and laptops.
These power banks usually have multiple output ports (like USB-A, USB-C) to charge several devices simultaneously.
Fast Charging:
Many models support fast charging technologies like Power Delivery (PD) or Quick Charge, enabling quicker charging for compatible devices.
Safety Features:
They often include built-in protection against overcharging, short circuits, and overheating.
LED Indicators:
LED lights are common to display the remaining battery level.