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INIU 20000mAh 45W Power Bank with Built-in USB-C Cable

INIU 20000mAh 45W Power Bank with Built-in USB-C Cable

4.4· 10 ratings

Best price now

$36.99at WalmartObserved at 2:33 AM

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Our take on the INIU 20000mAh 45W Power Bank with Built-in USB-C Cable

The INIU 20000mAh 45W Power Bank is a high-capacity portable charger with a built-in USB-C cable, so you don't need to carry a separate cord. Its 45W output can fast-charge phones and many USB-C laptops, and 20,000mAh is enough for roughly three to four phone charges. At $36.99 at Walmart as of November 4, 2026, it sits at the low end of what 45W, 20,000mAh banks typically cost.

Best forFrequent travelers who want one cable-free chargerPhone users who need multiple days of backup powerUSB-C laptop owners who want a travel top-upCommuters and students away from outlets all day
Pros
  • Built-in USB-C cable means one less thing to pack
  • 45W output fast-charges most USB-C phones and many laptops
  • 20,000mAh capacity covers several full phone charges
  • Low price for the capacity and wattage
Cons
  • Heavier and bulkier than 10,000mAh banks
  • Built-in cable is a single point of failure if it wears out
  • No wireless charging
  • Charge time for the bank itself is long at this capacity

INIU 20000mAh 45W Power Bank with Built-in USB-C Cable prices at every store

  • WalmartNew

    In stockSold by INIU

    $36.99Observed at 2:33 AM
    Visit store
  • eBayNew

    In stockSold by brase4073

    $62.69Observed at 2:33 AM
    Visit store

Also available at

  • eBayCheck price at eBay

INIU 20000mAh 45W Power Bank with Built-in USB-C Cable price history

Lowest price we've seen: $36.99 on Nov 4 at Walmart. Tracked across 2 stores since Nov 4.

What reviewers say

Ratings are limited but positive, averaging 4.4 out of 5 from 10 ratings. Owners of similar INIU banks generally value the capacity and price and accept the bulk.

Pros
  • Reliable multi-day backup power
  • Convenient built-in cable
  • Good value for the capacity
Cons
  • Heavy for pocket carry
  • Built-in cable durability questioned by some

Specifications

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

Questions and answers

Is the INIU 20000mAh 45W worth it?
At $36.99 at Walmart as of November 4, 2026, it is a low price for 45W output and 20,000mAh. It is worth it if you want one charger for phone and laptop and don't mind the weight.
Can it charge a laptop?
Yes, the 45W USB-C output can top up many USB-C laptops, though slowly compared with their own chargers. It suits emergency top-ups more than full workday charging.
How many times can it charge a phone?
Roughly three to four full charges for a typical phone, depending on the phone's battery size and charging losses. Larger phones will get fewer charges.
Does it come with a charging cable?
It has a built-in USB-C cable for charging devices. You will still need your own wall charger and cable to recharge the bank itself.
When is it cheapest?
The current $36.99 at Walmart as of November 4, 2026 is already near the low end for this class. Watch for holiday sales, when power banks often drop further.
Where is the INIU 20000mAh 45W Power Bank with Built-in USB-C Cable cheapest?
At Walmart, for $36.99, as of our latest check.
What do buyers say about the INIU 20000mAh 45W Power Bank with Built-in USB-C Cable?
Rated 4.4 out of 5 from 10 ratings.
Where can I buy the INIU 20000mAh 45W Power Bank with Built-in USB-C Cable?
2 stores we checked sell it, including eBay, Walmart.

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