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NiteCore NB20000 Gen 3 Dual USB-C Power Bank

rated 5.0 of 5 stars
photo: NiteCore NB20000 Gen 3 Dual USB-C Power Bank power storage

Reviewed by
 Elizabeth McCoy   RETAILER TOP 10 REVIEWER +2,331
rated 5 of 5 stars September 9, 2025

Brand new device for me! I bought it specifically for this past trip. It worked better than any other battery bank I have ever owned!

Pros

  • Packed with power
  • Easy to use
  • 2 USB-C ports
  • Charged our devices for 6 days!

Cons

  • Weight
  • Price

                 Nitecore NB20000 Gen 3 Dual USB-C Power Bank

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I researched all kinds of power banks before my trip and kept landing on this one. I finally pulled the trigger and bought it for $99.95 from the Nitecore website.

We also have a Sun Jack 25 W Foldable Solar Panel system with two 10,000 mAh power packs that we brought with us. I gotta say that this Nitecore Power Bank is powerful and always had a charge. Even when it only had one blinking light left it was able to fully charge our Apple Ultra watches fully and our iPhones. I was thoroughly impressed.

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We charged our watches every night before bed, and then put them back on before sleep. We charged our phones every morning. Then we kept our phones warm inside our pillows in our sleeping bags so they wouldn't get cold.

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11.45 oz was well worth the carried weight!

I will definitely be bringing this on our next trip. It surpassed my expectations.

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Tech data
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Airline approved

Background

More than 15 years experience with power banks on the trail.

Source: bought it new
Price Paid: $99.95

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Specs

Price MSRP: $99.95
Reviewers Paid: $99.95
Capacity 20,000mAh 3.6V (72Wh)
Rated Energy 11,220mAh 5V (TYP 3A)
Input 1 USB-C: 5V ~ 3A / 9V ~ 2A / 12V ~ 1.5A (18W MAX)
Input 2 USB-C: 5V ~ 3A / 9V ~ 2A / 12V ~ 1.5A (18W MAX)
Output 1 USB-C: 5V ~ 3A / 9V ~ 2,22A / 12V ~ 1.66A (22.5W MAX)
Output 2 USB-C: 5V ~ 2.4A / 9V ~ 2A / 12V ~ 1.5A (18W MAX)
Dual Ports 5V ~ 3A (MAX)
Dimensions 4.65" x 2.72" x 0.85"
Weight 10.26 oz
Product Details from NiteCore »