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.
Do you offer private label customization?
Yes we offer customization service including logo printing, packaging, housing color selection and so on. Check out more details on the page of Customization .
What's MOQ for your products?
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.
What's your production lead time?
Ready-made items ship in 3-5 days. Custom orders take 15-20 days (depends on design complexity). Rush service available.
How do you ensure product quality?
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.