Anker
Power Banks

Anker 20K 30W Power Bank

Anker

Released Jun 1, 2016 · Analysis updated Feb 9, 2026

Anker power bank with built-in cable, 20,000mAh capacity, and 30W fast charging in a sturdy build. The Anker scores 77/100 based on 11 expert reviews in the power banks category. Coverage includes reviews from Xda-developers, Switchchargers, Pickr, and Techadvisor.

Critic Score

What's this?
77

based on 11 expert reviews

Xda-developersSwitchchargersPickrTechadvisorTechenclave+6 more

Where to buy

Help keep the site running by buying via partners.

Pros

  • Built-in cable(4)
  • Large 20,000mah capacity(3)
  • Supports fast charging(3)
  • Good value for money(2)
  • Sturdy build quality(2)

Cons

  • Expensive price point(3)
  • Bulky size(2)
  • No mention of fast charging for low-power devices(2)
  • Limited display information(2)
  • Only usb-a output ports (outdated)(2)

11 Publication Reviews

90
Major publication01/2024

AI summary of this review

The Anker Prime Power Bank has a high capacity and charges quickly, making it a must-have for those who travel or work away from an outlet.

Score estimated from the review text

88
Independent publication07/2020

AI summary of this review

The Anker PowerCore Essential 20000 PD offers the large capacity of a laptop power bank but limits output to save costs, making it ideal for charging handheld devices for long periods.

Score estimated from the review text

85
Independent publication11/2023

AI summary of this review

The Anker Nano Power Bank is an easy win with its clever design features and convenience, though the screen visibility could be improved.

Score estimated from the review text

85
Established publication06/2016

AI summary of this review

The Anker PowerCore 20000 offers more power than you're likely to need and, while it's smaller and lighter than many at this capacity, fast charging means you won't need to carry it around longer than...

Score estimated from the review text

85
Independent publication07/2025

AI summary of this review

The reviewer recommends the Anker 1383 power bank for its versatility and 65W output, particularly for use with the ROG Ally, despite its substantial weight.

Score estimated from the review text

75
Major publication

AI summary of this review

The Anker Zolo is very good value for money, considering its power, capacity, handy features, and build quality, but the lack of ports on a bank this size feels like a missed opportunity.

Score estimated from the review text

75
Independent publication

AI summary of this review

The Anker Zolo 20,000mAh 30W power bank has plenty of power and capacity but is limited by only having two ports and minimal display information.

Score estimated from the review text

74
Independent publication

AI summary of this review

Anker PowerCore III Sense 20K CHOICE Expert Rating 74%

Score estimated from the review text

72
Independent publication

AI summary of this review

I do really like the Anker Nano power bank, I like the built-in cable as its one less thing to think about when packing, but for the full retail price, I don't think it's worth it.

Score estimated from the review text

71
Independent publication12/2024

AI summary of this review

Anker 325 Power Bank (PowerCore 20K) has outdated ports but is powerful enough to charge your phone multiple times and two devices simultaneously.

Score estimated from the review text

45
Established publication03/2022

AI summary of this review

This bulky battery pack failed to impress and is a bit on the pricey side

Score estimated from the review text