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Cool. Extreme.

Koomax — where innovation meets portable energy. Delivering high-performance batteries, smart accessories, and advanced functional wearables for a sustainable future.

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About Koomax

Shanghai Koomax Electronics Co., Ltd. is a forward-thinking technology company founded in 2015 by a team of passionate professionals with deep expertise in new energy and lithium-ion battery technologies. The name "Koomax" is derived from Cool + Max, symbolizing our mission to deliver cool, extreme, and cutting-edge products and services.

With a compound annual growth rate of 30%, Koomax has rapidly expanded its footprint across Europe, the United States, Japan, and China. We serve global battery brands, e-commerce platforms, retailers, and industrial clients with a comprehensive portfolio of portable energy solutions.

2015
Founded
30%
CAGR Growth
5
Global Regions
Koomax Lab

Our Core Values

We believe in health, happiness, and progress — driving innovation with responsibility.

Health

We prioritize safe, non-toxic materials and sustainable manufacturing processes.

Happiness

We design products that enhance everyday life with reliability and ease.

Progress

We push boundaries in energy density, efficiency, and smart integration.

Our Products

From high-capacity batteries to intelligent wearables, Koomax offers a full spectrum of portable energy solutions for consumers and industries.

Cylindrical Li-ion Cell

Cylindrical Li-ion Cell

High energy density, long cycle life, ideal for power tools and EVs.

Voltage: 3.6V–3.7V | Capacity: 1000–3500mAh
Prismatic Li-ion Cell

Prismatic Li-ion Cell

Flat design for compact devices; excellent thermal stability.

Thickness: 5–8mm | Ideal for tablets, medical devices
Li-ion Polymer Cell

Li-ion Polymer Cell

Ultra-thin, flexible packaging for wearables and smartphones.

Custom shapes available | Low self-discharge
Battery Pack

Battery Pack

Custom-configured packs with BMS for drones, robotics, and IoT.

Series/Parallel options | Protection circuits included
Wireless Power Bank

Wireless Power Bank

Qi-compatible, fast-charging, sleek design for on-the-go users.

10,000mAh | 15W wireless output | LED indicator
High-speed Charging Charger

High-Speed Charger

PD 3.0 + QC 4.0 support for smartphones and laptops.

65W Max | Dual USB-C + USB-A | Foldable plug
Water-Cooling Clothing

Water-Cooling Clothing

Active cooling via water circulation for industrial workers.

Battery-powered pump | Lightweight vest design
Heating Clothing

Heating Clothing

Carbon fiber heating elements for outdoor and cold environments.

3 heat levels | USB rechargeable | Washable

Technologies of the Future

Koomax invests in R&D to lead the next generation of energy storage and wearable tech.

Next-Gen Battery Chemistries

We're developing silicon-anode Li-ion cells and solid-state prototypes to increase energy density by 40% while reducing charging time and improving safety.

Smart Wearables Integration

Our functional clothing line integrates IoT sensors and Bluetooth connectivity for real-time health monitoring and environmental adaptation.

Sustainable Manufacturing

Koomax uses recycled materials and closed-loop production systems to minimize environmental impact and support circular economy goals.

AI-Driven BMS

Our Battery Management Systems use machine learning to predict cell degradation and optimize charge cycles for longer lifespan.

Service & Support

We provide comprehensive support for our partners and customers worldwide.

Document Download

Access datasheets, safety manuals, compliance certificates, and technical guides.

Download Center

Custom Solutions

Need a tailored battery or wearable? Our engineering team supports OEM/ODM projects.

Request Consultation

Get in Touch

Reach out to Koomax for partnerships, product inquiries, or technical support.

Email

[email protected]

Phone

86-21-33688983

Address

Unit 2311-2312, No. 425, Yishan Road, Xuhui, Shanghai, China

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