Today’s ideas are not just built by technology, but powered by it.

Introducing TennRich, the solution to powering innovation on your terms.

The Right Fit for your Business

With TennRich by your side, rest assured you have the right partner with the knowledge and experience to grow your business. We pride ourselves on customer service, making sure we work closely with you to fit your business model’s manufacturing needs for portable power and consumer devices.

Own Design Manufacturer

You provide the design and engineering specifications and TennRich manufactures the product.

Original Equipment Manufacturer

We take our existing product, rebrand it with your logo then distribute the product based on your go-to-market strategy.

Joint Development Manufacturer

You provide the design and specifications for the product, TennRich engineers and develops the power solution.

TennRich Inside® is a partnership – NOT a supplier relationship.

This is mandatory for long term profitable growth. We provide a robust group and system to deliver quality products.

Powering Innovation

TennRich is a driving force in powering the global technology revolution. With TennRich Inside® technologies, users are guaranteed a charge they can trust.

The Idea.

Our experienced team will share their knowledge and knowhow, working directly with you to strengthen and grow your ideas, creating the best possible product that’s manufacture ready.


We draw from a team of talented professionals and state-of-the-art resources to solve the most difficult challenges in form, material, and function; resulting in truly innovative products.
Certificate: MFI, Qi, CE, FCC, UL, BC.


With 75,0000 sqft of manufacturing space, we are a top global producer in the portable power industry. Our automated, patented technologies and stream line systems let us maximize efficiency without increasing cost.
Certificate: ISO9000, ISO14000, QC080000, TL9000.


Our responsibility goes beyond simply getting the product to your customer on-time. We aim to deliver a brand-worthy experience, all the way from packaging to customized services, keeping your customers engaged and satisfied.

Go-To Market.

Let TennRich be a seamless extension of your brand. Our flexible approach and creative marketing resources can strategically take your finished product to market with ease.


With TennRich’s manufacturing certifications and patented technology, our technology skills can reach a higher level, allowing us to apply cutting edge technology to various consumer electronic devices.

Number of patents worldwide

Manufacturing Certified

Wireless Power Consortium

MFi Certified

UL Recognized Components

Smart AC plug Phone Case

Magnetic Wireless Charging & Data Transmitting Technology


With our solid manufacturing ability, we turn your ideas into reality.
We offer winning product designs optimized for today’s market.
Our innovative design gives a different meaning to being a manufacturer.

Portable Power Bank

- PD
- Quick Charge
- Type-C Series
- Cable Built-in
- Laptop Charger Series
- Outdoor Series

Qi Ecosystem

- MagCase
- Qi Pad
- Qi Power Bank
- Qi Car kit
- Qi Stand

Magconn MagneticCharging and Data Sync

- Magnetic Phone Case
- Magnetic Car Kit
- Magnetic Power Bank
- Magnetic Cradle

Battery Case

- Apple Series
- Samsung Series
- Gaming

Energy Storage

- Energy Storage
- Solar Charger

Power Battery

- Power Battery Pack for E-bike
- Power Battery Pack for Medical

About Us

Tennrich International Corp. was founded on Sep. 24th, 1986. As a pioneer in Portable Power industry, Tennrich is committed to bringing creative products and deliver the best quality. Besides creation in product design, technology innovation, and manufacturing with worldwide brands.


Energizer® Holdings, Inc is a consumer goods company operating globally in the broad categories of household and personal care products. Energizer currently offer solutions in portable power, lighting, wet shave and personal grooming, skin care, feminine care and infant care in more than 160 countries. Tennrich became worldwide license partner of Energizer for Co-brand products from 2009. From product design, manufacturing, marketing to sales, Tennrich launched a series of power packs for Energizer. It has been a leading brand and the beginning of portable charger industry today.




Tennrich International Corp.

1-3, Alley 5, Lane 305, Sec 1,
Shin Nan Road, Lu Chu District,
Taoyuan City, Taiwan 338