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Anker PowerCore 5000
ZMI 20k Power Bank QB820
See Top Ranked USB-C Battery Packs

Anker PowerCore 5000 vs ZMI USB-C PD Backup Battery Packs (2017)

Analysis:

The ZMI 20k Power Bank QB820 and Anker PowerCore 5000 make for very strong choices and are great USB-C Battery Packs for their respective $68 and $19 asking prices. Depending on how much you're willing to spend, either of these options will serve you well.

The ZMI 20k Power Bank QB820 hasn't managed to perform well enough to earn a place in any USB-C Battery Pack roundups conducted by sources that do their own, high-quality, hands-on testing. That alone makes it a hard product to recommend.

As for the Anker PowerCore 5000 - it was really well-received by reviewers at TechGearLab, a great source that's known for conducting high-quality in-depth testing. It performed great in its "Best Portable Charger of 2020" roundup and was named its "Best Bang for The Buck", which, on its own, makes it a product that warrants a closer look.

We also wanted to do a direct ZMI 20k Power Bank QB820 vs. Anker PowerCore 5000 review performance comparison, but we, unfortunately, weren't able to find any ZMI 20k Power Bank QB820 review scores.

Finally, we compared the Anker PowerCore 5000 to other USB-C Battery Packs on the market and found that it did much better than its competitors - its review average of 8.5 out of 10 points is considerably higher than the 7.8 review average of USB-C Battery Packs in general.

Comparison of expert ratings
Highly Recommended
Recommended
Mentioned
Not Mentioned
TechGearLab
Laptop Mag
Wirecutter (NYTimes)
Windows Central
Android Central
Askgeorge.com
Reviewed
Techradar
Macworld
Charger Harbor
Tech. Specs Comparison
Anker PowerCore 5000
$19
ZMI 20k Power Bank QB820
$68
Battery Capacity
5000 (mAh)
20000 (mAh)
Maximum Power Input
-
45 (W)
Maximum Power Output
-
45 (W)
Higher than average expert review score
7.9
Overall Avg. for USB-C Battery Packs
8.5
Avg. Review Score
Score
Significantly higher than average expert review score
7.9
Overall Avg. for USB-C Battery Packs
9.5
Avg. Review Score
Score
Recommended by trusted experts
TechGearLab
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Bang for The Buck
in “Best Portable Charger of 2020” 
Last updated: 31 Jul 2020
Askgeorge.com
Trusted Source
-
Depth of
analysis
No
In-house
Testing
Ranked #7 out of 15
in “Powerbank review - 03/2020” 
Last updated: 18 Mar 2020
Charger Harbor
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “Best Power Banks for a Road Trip” 
Android Central
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Mentioned
in “Best Fitness Accessories for Google Fit in 2020” 
Last updated: 3 Jun 2020
Recommended by trusted experts
Wirecutter (NYTimes)
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “The Best Emergency Preparedness Supplies” 
Last updated: 31 Jul 2020
Reviewed
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Ranked #3 out of 9
in “The Best Power Banks for Laptops and Tablets of 2020” 
Last updated: 22 Nov 2019
Techradar
Trusted Source
Depth of
analysis
Yes
In-house
Testing
Ranked #4 out of 9
in “Best portable laptop battery chargers and power banks of 2020” 
Last updated: 5 days ago
Wirecutter (NYTimes)
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “The Top 10 Tools to Handle a Power Outage” 
Last updated: 22 May 2020
Wirecutter (NYTimes)
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “The Best Nintendo Switch and Switch Lite Accessories” 
Last updated: 3 Mar 2020
Wirecutter (NYTimes)
Highly Trusted Source
Depth of
analysis
Yes
In-house
Testing
Best Overall
in “The Best USB Power Banks for Laptops” 
Last updated: 13 Feb 2020

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