Portable and transparent mobile power bank

Transparent power banks are the perfect solution for anyone who wants to keep their devices charged on-the-go while also showcasing the inner workings of their power bank. These power banks come with a clear casing that allows users to see the circuitry and battery cells inside.

Iniu Power Bank BaI-B64 for $72: Offering relatively low prices, Iniu is a power bank brand on the rise. This portable charger packs a 27,000-mAh capacity, can put out up to 140 W, and charges three devices at once via two USB-C ports and a single USB-A port.

With a 22.5 watts USB C port and a 20 watts USB port, it can charge up to 3 devices simultaneously, including laptops, phones, tablets, and other devices with USB C/ USB ports. It takes only 90 minutes to fully recharge the power bank, making it a convenient charging solution for on-the-go users.

The bi-directional USB-C supports both current in and out, and it offers simultaneously 15W wireless charger fast charging and 20W PD wired charging. The SUPERLIT Power Bank is a 20000 mAh portable charger that features a unique transparent design, allowing you to see its internal structure, including the battery and circuit layout.

The Nimble Champ is our top recommendation for most folks, but we have all sorts of alternatives here. Read our Best MagSafe Power Banks guide for Apple-specific portable chargers, and our Best Portable Power Stations guide if you need more power. Updated June 2025: We've added power banks from Redmagic and Statik, and added a new FAQ.

HUOTO Power Bank is a versatile portable charger that features a high power output of 100W, 20000mAh large capacity, universal compatibility, unique transparent design with LED digital screen, and outdoor camping lights. It supports all quick charge technologies, utilizing the PD technology to quick charge devices and itself.