10 Best Portable Battery Chargers For Cell Phones 2025 in the United States

The Belkin Portable Charger offers a substantial 10,000mAh capacity, providing up to 31 additional hours of power for your iPhone, making it a solid choice for long days or trips. The integrated Lightning and USB-C cables simplify your life by eliminating the need to carry extra cables, and its 23W output allows you to charge two devices simultaneously. This is particularly useful for users who need to keep multiple devices powered up throughout the day. The pass-through charging feature is handy, letting you charge your phone while the power bank itself is recharging.

An LED indicator helps keep track of the charge level, ensuring you know when it’s time to recharge the power bank itself. The compact size (6 x 2.5 x 1 inches) and weight (10.2 ounces) make it relatively portable, although it might feel a bit bulky for some users. It's not the lightest option out there, but the built-in cables and reliable performance could justify the size and weight for many. If you have an older device that doesn’t support USB-C, you might find this power bank less convenient.

For those who travel frequently or need reliable backup power for their devices, this Belkin charger offers a blend of capacity, convenience, and multi-device support.

The UGREEN Power Bank 25,000mAh 145W is a high-capacity, multi-functional portable charger designed to meet the needs of users with various devices, including laptops, tablets, and smartphones. Its standout feature is the ultra-fast 145W charging capability, making it ideal for quickly powering larger devices like a 16-inch MacBook Pro. The massive 25,000mAh capacity ensures multiple charges for your devices, which is particularly useful for long trips or for users with high power demands.

It can fully recharge laptops up to 1.3 times and mobile devices up to 5.2 times, which is impressive for a portable charger. The two-way fast recharge feature allows the power bank to be recharged in just 2 hours using a 65W PD charger, although this charger is not included. The compact design is a plus, making it easy to carry around despite its high capacity. The digital display is a useful feature that shows the remaining battery life, keeping you informed on the go.

With three ports (two USB-C and one USB-A), it offers flexibility in charging multiple devices simultaneously. The power bank's wide compatibility ensures it works with a range of devices from laptops to smartphones and gaming consoles. The high output power and large capacity could result in a heavier weight compared to smaller capacity power banks, which might be a consideration for users prioritizing portability. The UGREEN Power Bank is a robust and powerful solution for users looking for a high-capacity, fast-charging portable battery, especially useful for those with a variety of high-power devices.

The Charmast Power Bank 20000mAh is a versatile and high-capacity portable charger suitable for a wide range of devices, including phones, tablets, and more. With its substantial 20000mAh capacity, it can charge devices like the iPhone 14 approximately 3.8 times and the Samsung Galaxy S23 Ultra about 2.5 times, making it perfect for users who need reliable power on the go. One of its standout features is the built-in multi-interface cables, which simplify the charging process by eliminating the need for additional cords and adapters. This makes it an excellent travel companion or daily use accessory for people who prefer convenience and efficiency.

With five output ports and four input options, it can charge multiple devices simultaneously and can be recharged using various methods, catering to heavy electronics users and those with multiple gadgets. The 20W PD fast charging capability ensures quick power-ups, reducing downtime and keeping users connected. Despite its high capacity, the Charmast Power Bank maintains a compact and slim profile, weighing only 0.73lb and measuring 6.33 x 2.85 x 0.74 inches, which is smaller and lighter than many other 20000mAh chargers on the market. Additionally, the LED display provides a clear and precise readout of the remaining battery percentage, taking the guesswork out of when to recharge.

The power bank requires two lithium polymer batteries (included), which might be a consideration for some users. Also, while it offers many features, the price point might be higher compared to simpler models. The Charmast Power Bank 20000mAh offers a blend of capacity, portability, and convenience, making it a strong choice for those in need of a dependable and feature-rich portable charger.