Power banks · Ranked #2 of 5 · Best for slim carry

Anker Nano Power Bank (5K, MagGo, Slim)

86
Highly rated
Average of 6 professional reviews
6 of 6 recommend it · critics agree
Where the 6 reviews landedRange 79–89
Score printed by the outlet Estimated from the verdict

Exact average 86.3 · 1 printed, 5 estimated

Anker Nano Power Bank (5K, MagGo, Slim)Image: Anker

6 professional reviewers tested the Anker Nano Power Bank (5K, MagGo, Slim), and 6 recommend it. Most common complaint: price.

Reviewed by Pack Hacker, Creative Bloq, 9to5Mac and 3 more

The catch: Capacity is limited, and it costs more than rivals.

5 of these 6 outlets print no score. We estimated theirs from the review text, then adjusted the estimates against the ratings outlets actually print (ours ran slightly low). An estimate is never higher than 92.

Check price at Amazon

We earn a commission if you buy through these links. It never changes a score.

What 6 critics said

Highest score first · all converted to 0–100
  1. 79
    Pack HackerHands-on review · 2026

    A pocketable, securely attaching Qi2 power bank that held up well on a long trip.

    Read Pack Hacker review
  2. 89est.
    Creative BloqNo printed score · Hands-on review

    A slim, lightweight Qi2 power bank with excellent heat management that delivers on its claimed speeds.

    Read Creative Bloq review
  3. 89est.
    9to5MacNo printed score · Hands-on review · 2026

    A hands-on look finding it an excellent slim everyday-carry Qi2 battery with true 15W charging.

    Read 9to5Mac review
  4. 89est.
    MacRumorsNo printed score · Hands-on review · 2025

    The reviewer's favorite of the Nano lineup and the best power bank she has used because it adds little bulk to the iPhone.

    Read MacRumors review
  5. 89est.
    ZDNETNo printed score · Hands-on review · 2025

    A sleek, travel-friendly Qi2 battery the reviewer adopted as a new favorite and calls a great option.

    Read ZDNET review
  6. 83est.
    MacworldNo printed score · Hands-on review · 2025

    Record-thin and light, with strong charging results in lab tests.

    Read Macworld review

"Est." means the outlet printed no score, so we estimated one from its verdict and checked our estimates against ratings outlets print. How we check estimates

What critics praise most

No clear pattern.

What critics dislike most

Price2 of 6

Other power banks critics rate highly

Compare the Anker Nano Power Bank (5K, MagGo, Slim) with another product →

Also reviewed, not yet scored

Common questions

Is the Anker Nano Power Bank (5K, MagGo, Slim) worth it?

Most critics think so: 6 of 6 recommend it. Capacity is limited, and it costs more than rivals.

Do critics agree about the Anker Nano Power Bank (5K, MagGo, Slim)?

Critics agree: scores range from 79 (Pack Hacker) to 89 (Creative Bloq), a spread of 10 points across 6 reviews. Reviewers broadly agree.

What do critics dislike about the Anker Nano Power Bank (5K, MagGo, Slim)?

Price (2 of 6 reviews).

What is the best alternative to the Anker Nano Power Bank (5K, MagGo, Slim)?

The Anker MagGo Power Bank (10K) (critic score 86), top pick, narrowly.