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20,000mAh Portable Charger Power Bank with Built-in Cables

20,000mAh Portable Charger Power Bank with Built-in Cables

4.8· 490 ratings

Best price now

$22.99at WalmartObserved at 8:52 AM

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Our take on the 20,000mAh Portable Charger Power Bank with Built-in Cables

A 20,000mAh power bank with charging cables built into the body, so you don't need to carry a separate cord. It supports fast charging and lists a maximum output of 22.5W, enough to top up most phones several times. The best new price is $22.99 at Walmart as of November 5, 2026, and only one store currently lists it new, so there is no price spread to compare.

Best forPhone owners who forget cablesCommuters and travelersMulti-day trips away from outletsPeople charging two devices at once
Pros
  • Built-in cables remove the need to pack one
  • 20,000mAh capacity covers several phone charges
  • 22.5W output fast-charges most modern phones
  • Low price for the capacity at $22.99
  • Black finish suits everyday carry
Cons
  • Built-in cables wear out and can't be replaced
  • Heavier and bulkier than a 10,000mAh bank
  • Only one store lists it, so no price competition
  • 22.5W is below the 45W+ some laptops and tablets want

20,000mAh Portable Charger Power Bank with Built-in Cables prices at every store

  • WalmartNew

    In stockSold by SISROW

    $22.99Observed at 8:52 AM
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20,000mAh Portable Charger Power Bank with Built-in Cables price history

Lowest price we've seen: $22.99 on Nov 5 at Walmart. Tracked across 1 store since Nov 5.

What reviewers say

With a 4.8 average from 490 ratings, buyers are largely satisfied. The built-in cables and capacity draw the most praise; weight and cable durability are the usual complaints.

Pros
  • Convenient built-in cables
  • Holds enough charge for several phone top-ups
  • Fast charging works as expected
  • Good value for the capacity
Cons
  • Heavy and thick for a pocket
  • Built-in cables feel flimsy over time
  • Takes a while to recharge the bank itself

Specifications

Type
Power Bank
Fast Charging
Yes
Color
Black
Maximum Output
22.5 volts

Questions and answers

Is this power bank worth it at $22.99?
For the capacity and built-in cables, $22.99 is a low price. Comparable 20,000mAh banks with cables usually cost more, so it is a reasonable buy if you want one cable-free unit.
How many times can it charge a phone?
At 20,000mAh, expect roughly three to four full charges for a typical phone. Real results are lower because of conversion loss, so plan on about three.
Can it charge a laptop?
Only slowly, and only if your laptop accepts USB-C charging at 22.5W or less. Most laptops need 45W or more, so treat it as a phone and tablet charger.
What's in the box?
The power bank itself, since the cables are built in. A short USB cable for recharging the bank is usually included, but check the listing before ordering.
When is it cheapest?
Only one store lists it new, so there is no price comparison to shop around. Watch for seasonal sales at that store rather than expecting a lower price elsewhere.
Where is the 20,000mAh Portable Charger Power Bank with Built-in Cables cheapest?
At Walmart, for $22.99, as of our latest check.
What do buyers say about the 20,000mAh Portable Charger Power Bank with Built-in Cables?
Rated 4.8 out of 5 from 490 ratings.