Reliable Quality & Cost-Effective
Portable Power Bank Solutions
for Global Clients

Premium Power Bank Manufacturer since 2013, Worry-Free Customization

About us

Founded in 2013, Shenzhen Okzu Technology Co., Ltd is a leading power bank manufacturer with over 12 years of industry expertise. We integrate R&D, production, and sales to deliver safe, durable, and high-capacity portable power banks for brands, distributors, and end-users worldwide.

Why choose us ?

10+ Years of Technical Expertise

Mature manufacturing processes with international certifications ( CE/FCC/ROHS/UL etc. )

Exceptional Quality Control

Full-process inspections with <0.5% defect rate. Third-party quality inspections are acceptable

Factory-Direct Value

Competitive pricing by eliminating middlemen, without compromising quality.

Customer-Centric Service

Full OEM/ODM customization support
Dedicated 1-on-1 account management
Guaranteed on-time delivery

Our core values

Quality First

We meticulously control every step – from cell selection to final inspection – to build lasting trust through uncompromising quality.

Innovation Driven

At least 10% of annual revenue reinvested in R&D to pioneer fast-charging, wireless power, and next-gen solutions.

Win-Win Partnership

We adapt to your needs with end-to-end collaboration, from design to mass production, accelerating your market success.

Green Commitment

Eco-friendly materials and international recycling standards minimize e-waste impact.

Our Product Advantages

Safety & Durability

Premium Grade-A lithium battery cells with multi-protection circuit ( overcharge/over-discharge/short-circuit etc. )

Wide Capacity Range

3,000mAh to 30,000mAh full series coverage for all usage scenarios

Fast Charging Technology

Supports PD/QC3.0 and other mainstream fast-charge protocols for multi-device compatibility

Custom Design Options

Housing color customization, logo printing & and personalized branding services

"Power Your Business with Reliability"

What you may concern

Are you real factory or trading company?

We are real factory since 2013, offering OEM/ODM service to global clients.

Yes we offer customization service including logo printing, packaging, housing color selection and so on. Check out more details on the page of Customization .

Generally we have our products in black and white in regular stock, so no MOQ limit for our regular products. If you want customization service, MOQ depends on the degree of complexity. Flexible trial orders available. Contact us now for further information.

Ready-made items ship in 3-5 days. Custom orders take 15-20 days (depends on design complexity). Rush service available.

We guarantee superior quality through rigorous material selection, using Grade-A battery cells and certified components, precision manufacturing processes, and 100% pre-shipment testing. Besides, all of our products are backed by 1-year quality warranty.