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Vertaald door AI (EN). Toon origineel (NL)
A power bank, or powerbank, has several functions:
1. **Charging devices**: The primary function of a power bank is to charge mobile devices such as smartphones, tablets, and even laptops when there is no power outlet available.
2. **Portability**: Power banks are designed to be compact and lightweight, making them easy to carry, perfect for on-the-go.
3. **Storage capacity**: Power banks come in different capacity levels, measured in milliampere-hours (mAh), which determines how much energy they can store and how many devices they can charge.
4. **Multiple ports**: Many power banks have multiple USB ports, allowing you to charge several devices at the same time.
5. **Fast charging**: Some models support fast charging technology, enabling devices to be charged more quickly.
6. **Indicators**: Many power banks are equipped with LED indicators that show the remaining battery capacity, so you know when it's time to recharge the power bank itself.
7. **Safety**: Good power banks often include safety mechanisms such as short-circuit protection, overheating protection, and overcharge protection.
This makes power banks a convenient solution for people who are often on the move and want to charge their devices without relying on a power outlet.
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