Epsilon 4000mAh Mobile Power Bank - Aluminum & UL Listed
Anna Decker, REALTOR Verified Buyer 04/14/26
review starreview starreview starreview starreview star
Lifesaver at conferences

Ordered 200 of these power banks for our annual conference and they were a huge hit! The 4000mAh capacity is perfect for a full day event. Rebecca helped us choose between laser engraving and screen printing - went with laser and it looks incredibly professional on the aluminum finish.

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Capacity: 4000mAhMaterial: Aluminum

Epsilon 4000mAh Mobile Power Bank - Aluminum & UL Listed

Item #135275
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  • The Epsilon rechargeable mobile power bank's lithium polymer batteries give you 4,000mAh of backup power for your mobile phone or other digital device.
  • It has a strong but lightweight aluminum case and features a smooth metallic surface and charging indicator lights.
  • Includes a micro USB cable to charge the power bank.
  • Output is rated at 1A.
  • This product has undergone the most rigorous testing in the industry and is FCC VOC, MSDS, UN38.3, Prop 65, 7P, UL60950-1, UL1642, CEC/BC certified and UL® listed.
Due to modifications to the IATA Dangerous Goods Regulations and the corresponding change to the UN Shipping Classification for power bank products, we can no longer offer transport via air.

Common Use Cases

  • Daily CommutesWhether you're on the bus or train, the Epsilon power bank provides a convenient way to keep your phone charged for navigation or entertainment during your travels.
  • Outdoor AdventuresHeading out for a hike or camping trip? This compact power bank ensures your devices stay charged, allowing you to capture every moment without worrying about battery life.
  • TravelingWith its lightweight design, the Epsilon fits easily into your carry-on or backpack, making it a handy companion for long flights or layovers when outlets are scarce.
  • Emergency BackupIn case of unexpected power outages or emergencies, having this power bank on hand means you can keep your phone charged to stay connected and informed.
  • Work on the GoFor freelancers or remote workers, the Epsilon is a reliable source of power to keep your devices running smoothly during meetings or while working in cafes without easy access to outlets.

    • Why Customers Choose This Product

  • Sleek DesignMany appreciate the aluminum casing not only for its durability but also for its stylish look that complements their tech gear.
  • Lightweight ConvenienceCustomers love that it’s easy to carry around, making it a practical choice for those who are always on the move.
  • Safety CertificationsThe extensive testing and certifications give users peace of mind, knowing that the product meets high safety standards.
  • Simple OperationUsers enjoy the straightforward functionality, with charging indicator lights that provide clear visibility of the power bank's status.
  • Versatile CompatibilityIt works well with a variety of devices, making it a versatile accessory for anyone with multiple gadgets.
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