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Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable

Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable

5· 3 ratings

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$32.99at AmazonObserved at 1:52 AM

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Our take on the Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable

The Nobis N4520 is a 20,000mAh power bank with two USB-A and two USB-C ports and 45W fast charging, sold with a USB-C to USB-C cable. A digital display shows remaining charge, and it includes auto shut-off, overcharge and short-circuit protection. At $32.99 at Walmart as of November 4, 2026, it sits at the low end of what 20,000mAh banks with 45W output cost.

Best forPhone and tablet owners who need several full charges away from an outletTravelers and commuters carrying a cable and two devicesBuyers who want a charge readout instead of guessing from LEDsAndroid and newer iPhone users with USB-C cables
Pros
  • 20,000mAh capacity covers roughly three to four phone charges
  • 45W USB-C output can fast-charge many phones and some small laptops
  • Four ports let you charge several devices at once
  • Digital display shows exact battery percentage
  • Includes a USB-C to USB-C cable
  • Overcharge and short-circuit protection built in
Cons
  • No wireless charging
  • 45W is below the 65W-plus some laptops need for full-speed charging
  • Large 20,000mAh pack is heavy and bulky for a pocket
  • Only 3 ratings, so real-world reliability is largely unproven
  • Recharging the bank itself takes hours at typical wall-charger speeds

Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable prices at every store

  • AmazonNew

    Availability unknown

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    $32.99Observed at 1:52 AM
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Also available at

  • WalmartCheck price at Walmart

Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable price history

Lowest price we've seen: $32.99 on Nov 4 at Amazon. Tracked across 1 store since Nov 4.

What reviewers say

Only 3 ratings exist, all 5 stars, so feedback is thin. Buyers of similar Nobis banks tend to praise capacity and the display and note the size.

Pros
  • Capacity covers multiple device charges
  • Clear digital battery readout
  • Fast charging over USB-C
Cons
  • Heavy and bulky to carry
  • Few reviews to judge long-term durability

About the Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable

Connector Type USB Type A * 2, USB Type C * 2 Brand NOBIS Battery Capacity 20000 Milliamp Hours Color Black Special Feature Auto Shut-Off, Digital Display, Fast Charging, Over Charging Protection, Short Circuit Protection

Specifications

color
BlackSource
actual_color
BlackSource
size
20000mAhSource

Questions and answers

Is the Nobis N4520 worth it at $32.99?
For a 20,000mAh bank with 45W USB-C output and a display, $32.99 at Walmart as of November 4, 2026 is a low price. Comparable name-brand banks often cost $40 to $60.
Can it charge a laptop?
It can top up USB-C laptops that accept 45W or less, but many laptops want 65W or more and will charge slowly or only while idle.
How many times can it charge a phone?
A typical 4,500mAh phone gets about three to four full charges after accounting for conversion losses. Larger phones get fewer.
What comes in the box?
The power bank, a USB-C to USB-C cable and documentation. You need your own wall charger to recharge the bank.
How long does it take to recharge the bank?
Expect several hours with a standard charger. A higher-wattage USB-C wall charger shortens it, but the listed specs don't state the bank's input wattage.
Is it allowed on planes?
Yes. At 20,000mAh (about 74Wh) it is under the 100Wh carry-on limit most airlines use, but it must go in carry-on, not checked baggage.
Where is the Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable cheapest?
At Amazon, for $32.99, as of our latest check.
What do buyers say about the Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable?
Rated 5 out of 5 from 3 ratings.
Where can I buy the Nobis N4520 Portable Charger 20000mAh Power Bank 45W Fast Charging Battery Pack with C to C Cable?
2 stores we checked sell it, including Amazon, Walmart.

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