10 Best Lightweight Portable Power Bank 2025 in the United States

The Anker 621 Magnetic Portable Charger is designed with portability in mind, featuring a slim, lightweight build that easily snaps onto the back of compatible iPhones using strong magnets. Its 5,000mAh battery capacity offers enough power to top up your phone once or keep it charged throughout a day of moderate use, making it suitable for users who want convenience on the go without bulk. The wireless charging feature is a standout, allowing you to charge your iPhone without cables, and the magnetic alignment helps prevent common issues like disconnections during charging. It also includes a USB-C port and cable, which can be useful for charging other devices or recharging the power bank itself.

While the charging speed is solid for its size, it’s not the fastest compared to larger power banks, so it might not be ideal if you need rapid recharging. The build quality feels sturdy, and the device meets international safety standards, though it can get warm during use—which is normal but worth noting.

This power bank makes a great choice for iPhone users looking for a compact, easy-to-carry battery that integrates seamlessly with their device for everyday use. However, if you need more power capacity or faster charging for multiple devices, you might want to consider larger options.

The Anker PowerCore 10K is a great choice if you want a compact and light power bank that still holds a solid 10,000mAh capacity. It can comfortably recharge an iPhone 15 about twice and offers nearly two full charges for a Galaxy S23, making it handy for daily use or short trips. Its slim design and light weight (just under 9 ounces) make it easy to carry in a pocket or bag without adding bulk.

You get two output ports—a USB-C that doubles as input for faster recharging of the power bank itself, and a USB-A port—offering flexibility for different devices. Charging speed is decent with PowerIQ technology and 5V/3A output, so your phone won’t take forever to top up. The build feels sturdy and durable, passing a drop test from over 3 feet, plus it has scratch resistance, which is reassuring for travel.

A 10,000mAh capacity is enough for everyday needs but might be limiting if you want to charge multiple devices several times or larger tablets. Also, it doesn’t support wireless charging despite that being mentioned, so you’ll need cables. If you want a budget-friendly, reliable power bank that's easy to carry and charges quickly via USB-C, this Anker model is a solid pick, especially in a two-pack for sharing or backup.

The charmast Portable Charger stands out as a highly practical option for anyone needing a lightweight and versatile power bank. With a 10,000mAh capacity, it offers enough power to recharge most smartphones once or twice, which is ideal for daily use or short trips. Its slim design and light weight (just over half a pound) make it easy to carry around, fitting comfortably in a bag or even a large pocket. A key strength is its built-in cables—three output cables covering iPhone, USB-C, and Micro USB devices—allowing you to charge multiple types of gadgets without carrying extra cords.

Additionally, it has six output ports total, letting you charge up to six devices at once, which is great for users with multiple devices or traveling with family. The three input options for recharging the power bank itself add flexibility, so you can use whichever cable you have handy. Charging speed supports up to 3A fast charging, which helps refill your devices quicker than many basic power banks. The digital LED display clearly shows how much battery is left, so you won’t be caught off guard. Safety features like auto shut-off add protection for your devices.

Some users might find that while 10,000mAh is sufficient for most casual users, it may not provide enough capacity for heavy users or those needing multiple full charges for larger devices like tablets. Also, the built-in cables, while convenient, are fixed and may limit flexibility if a cable gets damaged or you need longer cables. This power bank is a strong choice for people seeking a portable, all-in-one charger that covers multiple device types with good charging speed and solid safety, especially if you often carry several gadgets and want to avoid extra cables.