OEM/ODM Mobile Power Bank Factories & Supplier

Pioneering High-Performance Smart Charging Technologies, GaN Integration, and Industrial-Grade Supply Chain Solutions for Global Markets.

2011

Established Year

20+

Global Patents

100+

Export Countries

10/Mo

New R&D Products

Pioneering Mobile Power Architecture

Dongguan Caiku Electronic Technology Co. Ltd. stands at the forefront of the global power supply and battery peripheral manufacturing sector. Founded in 2011, we have driven two major strategic transitions to transform from a component assembly plant to an integrated, high-technology power solution leader. Our focus goes beyond conventional designs; we engineer high-efficiency electrical infrastructure encompassing multi-functional USB chargers, GaN adapters, wireless docks, and high-frequency power electronics.

By leveraging an advanced design group that launches between 3 to 10 proprietary products monthly, we maintain a robust R&D pipeline. Operating across custom-built production nodes in Dongguan, our supply ecosystems serve over 100 countries. Our operations are anchored in a solid intellectual property portfolio with over 20 active patents across Europe, the United States, and Mainland China.

Caiku Global Logistics and Factory Trade Network

Patented Innovation

More than 20 structural and electrical patents granted in the US, Europe, and Asia safeguard our customized product designs.

GaN Tech Integration

We deploy Gallium Nitride and Super Si MOSFET switches to deliver higher power density and reduce thermal dissipation in smaller housings.

Global Compliance

All items comply with global environmental standards like RoHS and safety certifications including CE, FCC, and UL.

Localized Applications & Commercial Scenarios

Adapting power solutions to meet the demands of modern smart city grids and commercial applications.

Modern charging requirements have evolved far beyond basic consumer power accessories. Today, high-capacity, smart power storage products operate at the intersection of consumer convenience, industrial transport networks, and urban smart grids. Caiku has pioneered custom designs to address this technical shift:

Smart Workspace Infrastructure

Integrated multi-port docking stations, desktop wireless platforms, and smart LED hubs are built into modern enterprise offices. These units offer clean charging solutions that optimize space and power distribution.

Heavy Duty Mobility & Transit

Our portable EV chargers (supporting up to 240kW output) serve as backup power sources in remote construction sites and fleet terminals. They ensure continuous operation for commercial electric vehicles even during grid outages.

Rugged Industrial & Outdoors

High-capacity 80,000mAh mobile power packs, built with weather-resistant housings and safe lithium-chemistry cells, provide reliable off-grid power for field research, maritime operations, and military logistics.

"Information Gain Metric: Integrating GaN (Gallium Nitride) semiconductor substrates into high-capacity power bank boards improves conversion efficiency by up to 22% compared to traditional silicon designs. This allows for lighter housings and lower working temperatures."
Engineering Lab for High Frequency Power Designs

Technology Roadmap & Future Outlook

Our long-term developmental strategy focus on three key pillars: ultra-high frequency power integration, intelligent battery management systems (BMS), and hybrid EV-mobile charging networks.

We are advancing the adoption of Super Si and GaN MOSFET switches in consumer adapters. This tech upgrade allows 100W+ chargers to be built in compact form factors, matching the size of older 30W designs. Additionally, our R&D team is developing smart IoT communication boards that enable power banks to report battery health status, charge cycles, and temperature parameters to connected cloud environments in real-time.

Bidirectional Power Delivery

Transitioning toward USB-PD 3.1 architectures, our units support bidirectional charging up to 140W to power resource-heavy workstations and laptops.

Thermal Mitigation Technology

Employing graphene-based heat spreaders and PCM (Phase Change Materials) to limit case surface temperature increases to under 15°C above ambient during fast charging cycles.

Sustainable Energy Integration

Developing structural chassis using post-consumer recycled plastic (PCR) and eco-friendly packaging, aligning with international carbon footprint reduction programs.

China Factory Supply Chain & Manufacturing Workflow

A closer look inside our ISO-certified facilities, illustrating our end-to-end quality assurance and processing machinery.

Dongguan's electronics manufacturing cluster provides our facility with a robust localized supply chain, ensuring high efficiency and cost-effective raw material procurement. Our factory manages the entire assembly lifecycle: from raw copper wire extrusion and shielding to automated injection molding and packaging. By minimizing reliance on external subcontractors, we maintain tight control over product quality and delivery schedules.

Primary Manufacturing & Cabling Phases

Raw Materials Incoming Inspection

Raw Materials

Extruding process

Extruding

Covering process

Covering

Stranding process

Stranding

Cabling process

Cabling

Braiding process

Braiding

Cladding process

Cladding

Winding process

Winding

Connector Assembly, Quality Control & Packaging

Connector Assembling process

Connector Assembling

Injection Molding process

Injection Molding

Strengthening process

Strengthening

Testing process

Testing

Packing process

Packing

Verification Testing

Testing Phase II

Outgoing Quality Control

OQC Inspection

Universal Cable Tester

Universal Cable Tester

Advanced Manufacturing Equipment Portfolio

Extruding Machine

Extruding Machine

Automatic Chemical Foam Extruder

Automatic Chemical Foam Extruder

Covering machine

Covering Machine

Stranding Machine

Stranding Machine

Cable Braider Machine

Cable Braider Machine

Cabling Machine

Cabling Machine

Winding Machine

Winding Machine

Injection Molding Machine

Injection Molding Machine

Terminal Crimping Machine

Terminal Crimping Machine

Global Compliance & Regulatory Protection

Developing consumer battery systems and high-voltage vehicle charging adapters requires strict compliance with international safety standards. At Caiku, our QA testing program is integrated directly into the production cycle, utilizing advanced testing hardware like the Network Analyzer to verify signal integrity, impedance parameters, and electromagnetic compatibility (EMC).

Our quality management workflow ensures that every batch matches our testing prototypes, preventing issues like voltage drops, thermal runaway, and short circuits. This verification structure gives our global OEM/ODM partners confidence when launching products in demanding regulatory environments like the EU (CE/RoHS) and the USA (UL/FCC).

Network Analyzer Lab Testing

Technical Component & Charger Selection

Docking Station Interface

Multiport USB Docking Hub

GA100W GaN Charging circuit

GA100W Board Layout (Top)

GA100W GaN Underneath PCB

GA100W Board Layout (Bottom)

75W charger architecture

75W USB-PD Integrated Board

75W finished power adapter

75W GaN Power Adapter

Wireless charger electronics

Wireless Charger Induction PCB

Wireless Charger Shell Alignment

Desktop Wireless Charger Assembly

Expert QA: Industry Insights & Technical FAQ

Addressing the core technical questions regarding supply chains, quality processes, and product customization.

What distinguishes GaN (Gallium Nitride) from traditional silicon MOSFETs in power banks?
GaN features a wider bandgap compared to traditional silicon, allowing electrical currents to flow faster with lower internal resistance. In mobile power banks and chargers, this translates to faster switching speeds, reduced heat generation, and up to 30% reduction in physical size without sacrificing total power output.
How does Dongguan Caiku Electronic Technology Co. Ltd. ensure quality control?
Our quality control process is managed entirely in-house. We run a comprehensive testing system starting with raw material verification, moving to inline testing, and concluding with Outgoing Quality Control (OQC). Using equipment like Network Analyzers, Universal Cable Testers, and automated aging cabinets, we ensure that every batch meets the performance, safety, and certification standards required by our global partners.
What ODM customization options are available for corporate orders?
Our team handles complete product customization. This includes custom casing designs, specific battery capacities (ranging from 10,000mAh to high-capacity 80,000mAh units), multi-protocol board layouts (supporting USB-PD 3.1, QC 4.0, or Qi wireless standards), custom screen interfaces, and compliance packaging tailored to your target regional markets.