MI-STS 20000 mAh 15 W Compact Power Bank  (Dual Light Digital Display Built in 4in1 Cable, Lithium Polymer, Fast Charging for Mobile, Earbuds, Smartwatch, Speaker, Tablet)

A 20,000mAh power bank, also known as a portable charger or external battery, is a device that can store and provide electrical power to charge various electronic devices, such as smartphones,, laptops, and more. The term "mAh" stands for milliampere-hour, which is a unit of electric charge used to measure the capacity of a battery or power bank. Here's what you need to know about a 20,000mAh power bank: Capacity: A 20,000mAh power bank can store 20,000 milliampere-hours of electric charge. This means it can charge a device with a 1,000mAh battery about 20 times before needing to be recharged itself. Charging Ports: Most 20,000mAh power banks come with multiple charging ports, including USB-A and USB-C ports, to support charging various devices simultaneously. Output Power: The output power of a power bank is measured in watts and can vary depending on the specific model. Some 20,000mAh power banks can provide faster charging speeds with higher wattage outputs. Recharging the Power Bank: You typically recharge a 20,000mAh power bank using a USB cable connected to a USB charger or a computer. The recharging time will depend on the input power and the charger you use. Size and Weight: A 20,000mAh power bank can vary in size and weight, but they are generally compact and portable enough to carry in a bag or pocket. Keep in mind that the capacity often correlates with the size and weight of the power bank. Compatibility: Ensure that the power bank is compatible with your devices and can supply the appropriate voltage and current for safe and efficient charging. Power bank: The primary keyword for the device itself. Portable charger: Another term often used interchangeably with power bank. External battery: A term that describes the power bank's function. Battery pack: Refers to the portable device that provides battery backup. Mobile charger: A common term for a device that charges mobile phones. Backup power: Emphasizes the device's role as a backup power source. mAh: Milliampere-hour, the unit of capacity for power banks. USB power bank: Indicates that the power bank uses USB ports. Rechargeable battery: Highlights the fact that power banks are rechargeable. Fast charging power bank: For power banks that support rapid charging. Wireless power bank: For power banks with wireless charging capabilities. Slim power bank: Indicates a thinner, more compact design. High-capacity power bank: For power banks with larger storage. Solar power bank: For power banks that can be recharged using solar panels. USB-C power bank: For power banks with USB-C ports. Laptop power bank: Suitable for charging laptops on the go. Pass-through charging: A feature allowing simultaneous charging of the power bank and devices. LED indicator: Refers to the battery status indicator on the power bank. Universal power bank: Emphasizes compatibility with various devices. Power bank for travel: Designed with portability in mind for travelers. When choosing a 20,000mAh power bank, consider your specific needs, the types of devices you want to charge, and any special features that are important to you. It's a convenient accessory for keeping your devices powered while on the go, during travel, or in situations where you don't have access to a power outlet.