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Advanced Supercapacitor Solutions for Modern Energy Needs

Premium supercapacitor batteries, modules, and solar energy storage systems engineered for high performance, durability, and efficiency. Trusted by industries worldwide.

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Who We Are

Dongguan City Gonghe Electronics Co., Ltd. is a leading manufacturer of supercapacitor batteries and modules based in Guangdong, China. With years of expertise in energy storage technology, we specialize in high-performance solutions for electric vehicles, renewable energy systems, telecom infrastructure, and industrial applications.

Our company has mature technologies in supercapacitor voltage balance, charge and discharge control, intelligent management, simulation testing, and more. We are committed to innovation, quality, and sustainability.

  • ISO9001 Certified Manufacturing
  • ROHS & CE Compliant Products
  • Global Export Experience
  • OEM & ODM Support Available
Factory Interior

91+ Supercapacitor Cell Models

Innovative designs for diverse applications

Our Premium Products

Discover our wide range of high-performance supercapacitor batteries, modules, and energy storage systems designed for EVs, solar power, telecom, and industrial use.

Surface Mount Hybrid Supercapacitor Car Battery

Surface Mount Hybrid Supercapacitor Car Battery

  • Type: Super Capacitor Battery
  • Size: 220*128*7.5mm
  • Voltage: 4.2V
  • Capacity: 20AH
  • Application: Electric Vehicles
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2.7V100000F Super Capacitor Battery

2.7V 100,000F Super Capacitor Battery

  • Type: Cylindrical Rechargeable
  • Voltage: 2.7V
  • Capacitance: 100,000 Farad
  • Material: Graphene-enhanced
  • Use Case: High-power energy storage
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OEM Super Capacitor Module

OEM IP30 Super Capacitor Module

  • Voltage: 48V
  • Capacitance: 165F
  • Protection: IP30 Rated
  • Material: Aluminum Alloy
  • Application: Energy Storage, EVs
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Solar Panel Powerwall

Wall-Mounted Solar Panel Powerwall

  • Capacity: 100AH, 48V
  • Storage: 5kWh Built-in
  • BMS: Integrated Battery Management
  • Mounting: Wall-mounted, Durable LCD
  • Standard: ISO9000 Certified
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Portable Solar Power Station

LiFePO4 MPPT Portable Solar Power Station

  • Power: 300W Output
  • Battery: LiFePO4, 78000mAh
  • Controller: Built-in MPPT
  • Use: Camping, Emergency, Outdoor
  • Certification: FCC Certified
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EV Cylindrical Supercapacitor Cell

EV Cylindrical Supercapacitor Cell

  • Voltage: 2.7V
  • Capacitance: 100,000F
  • Form: Cylindrical, Screw Terminal
  • Use: Electric Vehicles, High Power
  • Efficiency: High Stability & Long Cycle Life
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Residential Solar Power System

3KW-20KW Residential Solar Power Systems

  • Output: Pure Sine Wave
  • Range: 3KW to 20KW
  • Controller: MPPT Solar Controller
  • Grid: Hybrid On/Off Grid Support
  • Application: Home Energy Independence
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Graphene Solar Energy Storage Battery

Graphene Solar Energy Storage Battery

  • Voltage: 48V
  • Capacity: 2100WH
  • Material: Graphene Rechargeable
  • Color: White/Black Options
  • Design: Durable Silver Casing
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View Full Product Catalog (180+ Models)

Why Choose Our Supercapacitors?

Engineered for performance, reliability, and long-term value across industries.

Ultra-Fast Charging

Charge in seconds to minutes — ideal for high-cycle applications like EVs and regenerative braking systems.

Long Cycle Life

Withstand hundreds of thousands of charge-discharge cycles without significant degradation.

High Power Density

Deliver massive bursts of power for acceleration, starting, and peak load support.

Wide Temperature Range

Operate reliably from -40°C to +65°C, perfect for extreme environments.

180+
Product Models
50+
Countries Served
15+
Years Experience
99.8%
Customer Satisfaction

Frequently Asked Questions

What is a supercapacitor battery?

A supercapacitor battery combines the high energy density of batteries with the high power density and fast charge/discharge of supercapacitors. It's ideal for applications requiring both sustained energy and burst power.

How long do supercapacitors last?

Our supercapacitors typically last for over 500,000 charge-discharge cycles with minimal degradation, far exceeding traditional batteries in cycle life.

Can supercapacitors be used in solar energy systems?

Yes. Our solar powerwall and energy storage systems use supercapacitors for rapid charge acceptance from solar panels and stable power delivery, especially in off-grid and hybrid systems.

Do you offer OEM/ODM services?

Yes. We provide full OEM and ODM support, including custom voltage, capacitance, size, and packaging to meet your specific application needs.

Are your products certified?

Yes. Our factory is ISO9001 certified, and many products meet ROHS, CE, and FCC standards for safety and environmental compliance.

Get in Touch

Ready to power your next project? Contact us today for quotes, technical support, or custom solutions.

Business Phone: 86-0769-85426339 (Available 24/7)
Fax: 86-769-81765995
Email: chinaghc@foxmail.com
Address: 1301 Room, Building 13, No.1 Xuefu Road, Songshan Lake, Dongguan, Guangdong, China, 523808

Working Hours: 8:00 - 17:00 (Beijing Time)

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