10 Best Portable Power Banks 2025 in the United States

The INIU Portable Charger stands out in the portable power bank category primarily due to its slim and lightweight design, making it one of the thinnest 10,000mAh power banks available. Weighing just 8.8 ounces and measuring only 0.5 inches in thickness, it’s an excellent choice for travelers who want to minimize bulk without sacrificing power. With the ability to charge devices quickly at 3A, it can recharge an iPhone up to 78% in just one hour, which is impressive for those in need of fast power-up during busy days.

One of the unique features of this power bank is its USB-C IN&OUT port, allowing it to charge both itself and other devices using the same cable. This is quite beneficial, as many power banks in the market only offer USB-C for recharging but not for device charging. The 15-layer SAFE charging technology also ensures protection against overheating and device damage, giving users peace of mind while charging.

On the downside, while the 10,000mAh capacity is sufficient for most smartphones, heavy users or those with tablets may find it limits their ability to charge multiple devices fully. Additionally, some users may prefer a power bank with multiple output ports, as this model features only one USB-C and one USB-A port, which can be restrictive for those needing to charge multiple devices simultaneously. The inclusion of a flashlight is a nice touch for emergencies, but some may find it unnecessary. The build quality is good, although it's always important to handle it with care, especially because slim devices can be more prone to damage if dropped.

The INIU Portable Charger is a solid choice for anyone needing a reliable power bank. With a 10000mAh capacity, it provides ample power to recharge various devices multiple times, such as an iPhone 8 up to 3.6 times or a Samsung S22 1.8 times. Its slim design, measuring only 0.5 inches thick and weighing 7 ounces, makes it highly portable and convenient for travel.

One of its standout features is the USB-C port that supports both input and output, offering versatility not commonly found in other power banks. Additionally, it includes two USB-A ports, allowing you to charge multiple devices simultaneously. The 3A high-speed charging capability ensures your devices get charged quickly, with the ability to fuel an iPhone up to 78% in just one hour. Safety is also a priority with INIU's 15-Layer SmartProtect system, which prevents overheating and potential battery damage.

The power bank comes with a few additional features like a flashlight and indicator lights, adding to its utility. Despite these strengths, the lack of wireless charging might be a downside for some users. Additionally, the included USB-A to USB-C cable is only 1 foot long, which may be inconvenient for certain situations. However, with a 3-year warranty and lifetime technical support, INIU stands by the quality of their product, making this power bank a reliable option for on-the-go charging needs.

The Anker Zolo Power Bank stands out with its substantial 20,000mAh capacity, making it ideal for extended travel or long days away from a power source. This capacity allows charging an iPhone 15 up to four times or a Samsung S24 nearly four times, which is quite impressive for a portable charger.

The 30W output ensures that your devices charge quickly, and the 20W input means the power bank itself doesn't take too long to recharge. These features make it very efficient for frequent use. One notable convenience is the built-in 5.98-inch USB-C cable, which saves you from carrying extra cables and is designed to endure over 10,000 bends, emphasizing its durability.

The power bank also has an additional USB-C and a USB-A port, ensuring compatibility with a range of devices, including iPhones, MacBooks, and Samsung Galaxy phones. Safety is another highlight, thanks to the ActiveShield 2.0 technology, which monitors temperatures and adjusts power output to prevent overheating. While this power bank is packed with features, it might be slightly bulkier and heavier than lower-capacity options, which could be a consideration if portability is a higher priority for you. If you are looking for a reliable, high-capacity power bank with fast charging capabilities and robust build, the Anker Zolo Power Bank is a strong contender.