Emily Sortor  |  November 27, 2018

Category: Electronics

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UPDATE: August 2020, the Onn power bank class action settlement is now open. Click here to file a claim.


A Walmart customer says power banks marketed and sold under the Onn label have a lower charging capacity than advertised.

Power banks are portable charging devices that are used to recharge personal electronic devices.

Plaintiff Michael Hester says that he purchased an Onn power bank at a Walmart in Georgia because it was advertised to have a high charging capacity.

He claims that after he purchased the product, he discovered that it had a much lower charging rate than what was advertised.

The Walmart class action lawsuit alleges that Hester was financially injured by Walmart, who misrepresented the product as having a higher charging capacity than it does.

Allegedly, had Hester known that the Onn power bank he purchased did not have the advertised charging capacity, he would not have bought the product or would not have paid as much for it as he did.

The Walmart power bank class action claims that because of Walmart’s misrepresentation of the power banks, the plaintiff did not receive the benefit of what he thought he had purchased.

Hester notes that the charging capacity of power banks are measured in milliampere-hours, known by the abbreviation “mAh.” This number indicates the number of times that the power bank can be used to charge another device before it must be charged itself.

The Walmart class action alleges that the power bank Hester purchased had an advertised mAh rating of 220, meaning that the device should have been able to charge another device 220 times before it needed to be recharged itself. However, Hester claims that its actual charging capacity was much less.

According to the Walmart power bank class action lawsuit, Walmart intentionally misrepresents the product in an attempt to sell more of it.

Allegedly, consumers seek out power banks with higher mAh ratings, and are willing to pay a premium for such devices.

Power banks with high mAh rating allegedly provide a better value to consumers because they require charging less often.

The Walmart Onn power bank class action lawsuit argues that Walmart used a fictitious mAh rating to encourage consumers to purchase the Onn power bank over other power banks.

Hester says that he was misled by the advertisement, and many other consumers would be, as well.

According to the Walmart class action, when consumers are making a purchasing decision, most of them do not have another way to determine the mAh rating than to trust the advertisement of the product presented by the company that produces it.

Allegedly, independent testing did show that the mAh rating of the Onn power banks was much lower than advertised, but consumers would not readily have access to this information.

The Onn power bank false advertising class action lawsuit claims that if Walmart had faithfully represented the charging capacity of the Onn power banks, they would not have sold as many power banks as they did based on their misrepresentation.

Hester argues that Walmart was unjustly enriched by the sale of Onn power banks.

The Walmart customer is represented by Randall K. Pulliam and Joseph Henry (Hank) Bates of Carney Bates & Pulliam PLLC,  and by D. Greg Blankinship and Jean Sedlak of Finkelstein Blankinship Frei-Pearson & Garber LLP.

The Onn Power Bank False Advertising Class Action Lawsuit is Michael Hester v. Walmart Inc., Case No. 5:18-cv-05225-TLB, in the U.S. District Court for the Western District of Arkansas, Fayetteville Division.

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58 thoughts onWalmart Class Action Says Onn Power Banks are Falsely Advertised

  1. Stacy Williams says:

    I too was mislead about the charging power bank onn .. purchased thru Walmart it held the charge the first charge for a unimaginable amount of time but the display would read 121% and not charging. You’d think it would stop at 100% when fully charged..but it was definitely not putting “onn”..total let down by Walmart advertising. Shame on y’all

  2. MB says:

    Mine died after 3 weeks. (Right after tossing the packaging). Utter crap
    Paid 29.99 at Walmart.

  3. jeff hill says:

    have never got mine to charge any phone Iphone 7 or 8

  4. Connie Bentley says:

    I cant even get my bank to recharge up to 50 % to even use again. Ive used mine once. It charged my phone twice before the bank had to he recharged. Now my bank want charge, so now I cant use it at all. Ive had my bank on charge over 24 hrs and it only charged to e6. Waste of my money…

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