We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Griffin Reserve Power Bank 15000mAh review

£25.00 Typical price

Test scoreShow Context

Key features
  • Large power bank
  • 15000mAh
Expert review

The large-capacity Griffin Reserve Power Bank 15000mAh can charge three devices at the same time. But can it do this swiftly and efficiently? And how does it compare to similar models?  We sent it to our test lab to find out the answers, so read the full review of this power bank to see how it performed.

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?
Sign up to unlock expert reviews
Full Access first month £5, then £9.99 per month, cancel at any time

First reviewed by Which?

January 2022

Released

October 2018

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>
Sign up to unlock test results
Full Access first month £5, then £9.99 per month, cancel at any time

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.

Best Buys and Don't Buys
We have tested 58 portable power bank chargers and found that there are 0 Don't Buys and 19 Best Buys.
Range of Portable power bank charger scores
  1. 48%
    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
Sign up to unlock Best Buys and Don't Buys
Full Access first month £5, then £9.99 per month, cancel at any time

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.

    CompareRemove all products