Custom Printed Epsilon 4000mAh UL Listed Power Banks

Reliable backup power. Sleek metal design. Branding that stays charged.A compact power solution built to keep devices—and your brand—powered up.

• 4,000mAh lithium polymer battery provides dependable backup power
• Strong yet lightweight aluminum case with smooth metallic finish
• UL Listed with FCC, VOC, MSDS, UN38.3, and Prop 65 compliance
• LED charging indicator lights show power status at a glance
• Includes micro USB charging cable with 1A output rating

Custom Printed Epsilon 4000mAh UL Listed Power Banks deliver reliable charging performance in a sleek, professional design that elevates your brand. Powered by a high-quality lithium polymer battery, this compact power bank provides 4,000mAh of backup energy—perfect for keeping smartphones and digital devices running throughout busy days. The durable aluminum case is lightweight yet strong, featuring a smooth metallic surface that enhances logo visibility. Charging indicator lights make it easy to monitor power levels, while the included micro USB cable ensures convenient recharging. With an output rated at 1A and rigorous industry testing, this power bank meets strict safety and compliance standards. Ideal for corporate gifts, trade shows, conferences, and tech-focused promotions, it delivers lasting brand impact with everyday utility.Looking for more? Explore our collection of power banks & chargers right away.Get free design, free online proofs and fastest turnaround offers.

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