WooPowerBank - Premium Magnetic & Portable Power Banks Manufacturer

About RINSTAR

Shenzhen Ringstar Technology Co., Ltd., founded in 2003 in Shenzhen, is a hi-tech enterprise specialized in R&D, production, and sale of power banks, phone chargers, data cables, and other consumer electronics. With over two decades of experience, we have evolved into a trusted manufacturing partner for brands worldwide.

Our factory is equipped with advanced production lines and strict quality control systems, ensuring every product meets international safety and performance standards. We focus on innovation, reliability, and customization to meet diverse market needs.

20+ Years in Power Bank Manufacturing
OEM & ODM Services Available
Global Export to 50+ Countries
CE, FCC, RoHS, PSE Certified

Our Products

From ultra-slim card power banks to high-capacity MagSafe chargers, we offer a wide range of innovative portable power solutions.

MG133 10000mAh Magnetic Power Bank

Magsafe-compatible wireless charging with strong magnetic alignment

🔋 10000mAh Capacity

⚡ Magnetic & Wireless Charging

📱 iPhone 12-15 Series Compatible

W0202 2500mAh Card Power Bank

Ultra-thin credit card size power bank with built-in cables

💳 Credit Card Form Factor

🔌 Built-in Lightning & USB-C

🎨 Customizable Design

MG525 5000mAh Ultra Slim

Sleek magnetic power bank with fast wireless charging

🔋 5000mAh High-Density Battery

⚡ 15W Wireless Output

✨ Minimalist Design

AC1001 10000mAh Wall Plug

Folding plug design with dual USB ports for travel

🔌 Built-in AC Plug

🔋 10000mAh Capacity

✈️ TSA-Compliant for Air Travel

MG132 10000mAh Magnetic

Premium magnetic power bank with LED capacity indicator

🔋 10000mAh High Capacity

🧲 Strong Neodymium Magnets

🔋 4-LED Power Indicator

W0409 4000mAh Card Power Bank

2-in-1 ultra-thin card with built-in Android & Lightning

💳 4000mAh Credit Card Size

🔌 Dual Built-in Cables

🎁 Ideal for Promotional Gifts

S1068 10000mAh MagSafe

High-efficiency wireless power bank with Magsafe alignment

🔋 10000mAh Battery

⚡ Qi & Magsafe Compatible

📱 iPhone 12-15 Pro Max Support

RINSTAR 5000mAh MG525

White ultra-slim magnetic power bank for everyday carry

🔋 5000mAh Slim Design

⚡ Fast Wireless Charging

🎨 Elegant White Finish

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Why Choose WooPowerBank?

We combine innovation, quality, and reliability to deliver power banks that exceed expectations.

Safety First

All our power banks undergo rigorous safety testing and include overcharge, over-discharge, short-circuit, and temperature protection.

Fast Charging

Support for PD, QC, and Magsafe ensures your devices charge quickly and efficiently with intelligent power delivery.

Customization

Full OEM/ODM support including logo printing, color customization, packaging design, and private labeling.

Factory Direct

As a Shenzhen-based manufacturer, we offer competitive pricing, fast turnaround, and direct communication.

Global Compliance

Our products meet CE, FCC, RoHS, PSE, KC, and other international certification standards for global distribution.

Expert Support

Dedicated sales and engineering teams provide technical support, sample assistance, and after-sales service.

Frequently Asked Questions

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Premium Power Bank Manufacturing Solutions