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mAh stands for milliampere-hour. It's like a measure of how much energy a battery can hold. So, the higher the mAh, the longer your device can stay charged before needing to be recharged. Click to learn whether to choose 10000 or 20000mAh portable charger？

To choose a good quality power bank, consider the following factors:

1. Capacity: Select a power bank with sufficient capacity to charge your devices multiple times. Generally, higher capacity means more charging cycles.  Common power bank capacities include 5000mAh, 10000mAh, and 20000mAh.

2. Output Power: Ensure the power bank has adequate output power to support fast charging of your devices. Higher output power typically results in faster charging speeds.

3. Charging Ports: Choose a power bank with suitable charging ports for your devices, such as USB-A, USB-C, etc.

4. Safety Features: Opt for a power bank with safety features like overcharge protection, over-discharge protection, and short circuit protection to ensure safe charging of your devices.

Charging a power bank is straightforward. Simply plug the power bank into the charging cable, then connect the cable to a power adapter or USB port on a computer. Wait for some time until the power bank is fully charged. Once complete, disconnect the charging cable, and your power bank is ready to use.

The capacity of your power bank depends on the devices you need to charge and their battery sizes. If you're charging just a smartphone, a power bank with 5000mAh to 10000mAh should suffice. However, if you're charging multiple devices or larger ones like tablets or laptops, you might need a power bank with 20000mAh or more.

The lifespan of a portable power bank can vary depending on factors such as its quality, frequency of use, and maintenance. Generally, high-quality power banks can last anywhere from 3 to 5 years, while lower-quality ones may only last 1 to 2 years. Proper usage and maintenance practices, such as avoiding overcharging and over-discharging, charging it regularly, and avoiding extreme temperatures, can help extend the lifespan of a power bank.

You can bring a power bank on an airplane, but there are some restrictions to be aware of. Most airlines allow power banks in carry-on luggage but not in checked baggage.

Additionally, there are capacity restrictions imposed by aviation authorities. In general, power banks with a capacity of up to 100Wh (watt-hours) are allowed on board without prior approval. Power banks with a capacity between 100Wh and 160Wh may be allowed with airline approval, while those exceeding 160Wh are typically prohibited.

If you want to learn more, click to read our blog post, Can You Take a Power Bank on a Plane?

The difference between a power bank and a charger lies in their functionality and usage scenarios. A charger is typically a device that connects directly to a power outlet and supplies power to charge your devices. It's ideal for situations where you have access to a power source and need to charge your devices quickly or simultaneously. If you’re looking for high-quality iPhone chargers, click here to explore our iPhone charger collection. Your Worthy Best iPhone Charger.

On the other hand, a power bank is a portable battery pack that stores electrical energy and can be used to charge devices on the go. It's perfect for situations where you need backup power while traveling, during outdoor activities, or when you don't have access to a power outlet. Ultimately, the choice between a power bank and a charger depends on your specific needs and usage patterns.

To ensure a long lifespan for your portable charger, here are some maintenance tips:

1. Avoid exposing it to extreme temperatures.
2. Use the provided cables and adapters to avoid compatibility issues.
3. Charge and discharge it regularly to keep the battery healthy.
4. Store it in a cool, dry place when not in use.
5. Avoid overcharging or completely draining the battery.
6. If not in use for an extended period, charge it to about 50% and then store it.
7. Consider using a surge protector when charging to protect against power spikes.
8. Keep it clean and free from dust or debris. 

Frequent use of a portable charger usually won't harm your device's battery. To prevent potential issues, use a trustworthy charger and adhere to proper charging practices. Overcharging or using a low-quality charger may damage the battery over time. Also, avoid exposing your device to high temperatures during charging. As long as you use a reliable charger and handle it properly, your device's battery should remain unharmed.

UGREEN power banks are portable devices that store electrical energy, so you can charge your smartphones, tablets, and other electronic devices on the go. They typically feature multiple USB ports, allowing you to charge several devices at the same time. UGREEN offers a variety of power banks with different capacities and designs to meet your specific needs, ensuring your devices stay powered up when you're away from an outlet.

If you're looking for a lightweight and portable power bank with fast charging capabilities, the UGREEN Nexode 20000mAh 130W Fast Charging Power Bank is an excellent choice. With its 100W output, it can quickly charge multiple devices. It also features a smart TFT display that clearly shows the remaining battery life and other useful information. Frequent travelers will appreciate that it’s airline-approved, making it convenient for air travel.

For those who need to charge a laptop, we recommend the UGREEN 145W 25000mAh Laptop Power Bank. This power bank boasts a larger capacity and higher power output to keep your laptop running. It supports the PD3.1 fast charging protocol, which enables faster charging of compatible devices. Plus, it has three ports for charging multiple devices simultaneously.

If you require a power bank with massive capacity and ultra-high power output, the UGREEN 300W 48000mAh High-Capacity Power Bank is the perfect solution. With a whopping 48000mAh capacity and 300W output, it can provide extended power to all your devices. It even includes a built-in LED flashlight for emergencies.