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Anker Nano 5000mAh 22.5W Power Bank with Built-in USB-C Connector - Black

TLDR Review: Anker Nano 5000mAh Power Bank

By ShopSavvy Team

Published: December 29th, 2025

Pros

•Compact, pockeized design makes it incredibly easy to carry for emergencies or daily use.
•Builn USB-C connector eliminates the need for extra charging cables, adding noticeable convenience on the go.
•Supports fast charging up to 22.5W with compatible devices, significantly speeding up charge times.
•Charges smartphones quickly, for example, boosting an iPhone 16 Pro from 70% to 100% in about 40 minutes.
•Lightweight and traveriendly, perfect for frequent flyers and outdoor use.
•Battery capacity of 5000mAh provides roughly 50% of a full phone charge, enough for urgent tops and extended usage.
•Additional US port allows charging the power bank itself via standard cables or docking stations.
•Modern design is sleek, unique, and welonstructed despite the small form factor.
•Includes a battery indicator that makes it easy to monitor remaining charge.
•Reliable and highly recommended for fast charging needs during travel and everyday situations.

Cons

•Usable energy is around 12 Wh, so it only delivers about half a full phone charge due to voltage conversion and losses.
•Fliut USB-C connector is fragile and prone to breaking if dropped, which can limit durability.
•Stany period has been reduced significantly (from about 25-30 minutes in older models to 20-30 seconds), limiting intermittent usage without pressing the power button repeatedly.
•While charging is fast, the power bank cannot fully charge many phones in one go due to limited capacity.
•May not be ideal if you want multiple full charges or lonerm continuous use without recharging the bank itself.
•Balances speed with efficiency, meaning it charges some devices more slowly but to preserve battery health.

Bottom Line

If you’re looking for a compact, stylish, and fast-charging power bank to give your phone a quick emergency boost without carrying extra cables, the Anker Nano 5000mAh 22.5W is an excellent choice. Its built-in USB-C connector and travel-friendly size make it perfect for on-the-go lifestyles. However, don’t expect multiple full charges or rugged durability around its flip-out plug, and be aware that recent models have reduced the useful stand-by time for intermittent charging. If you want more capacity with similar fast charging, consider exploring larger power banks, but for daily portability, this hits the sweet spot.

Lowest at any Popular Retailer

$15.99 at Best Buy

How we researched this

About this review: We pulled together findings from professional reviews and hundreds of user reviews, and cross-referenced them with ShopSavvy's pricing data from 12 retailers to give you the short version.