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Juice 20000mAh Portable Power Bank Max review

£29.99 Lowest price (not in stock)

Test scoreShow Context

Key features
  • Large power bank
  • 20000mAh
Expert review

The Juice 20000mAh Portable Power Bank Max has two USB outputs, which means it can charge two devices at the same time. Unusually, you give it a good shake to find out how much charge it has left, but gimmicks aside, does it operate efficiently and quickly? Our expert tester provided the answers. Read our full review for their verdict.

What's included:
  • Pros and cons
  • What is it?
  • What’s it like to use?
  • How well does it perform?
  • Is there anything else I should know?
  • Should I buy it?
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First reviewed by Which?

April 2021

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we test portable power bank chargers>
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Best Buys and Don't Buys
We have tested 45 portable power bank chargers and found that there are 0 Don't Buys and 13 Best Buys.
Range of Portable power bank charger scores
  1. 56%
    Lowest score
  2. 68%
    Average score
  3. 85%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to portable power bank chargers we've tested
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Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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