Maxwell Ultracapacitor Datasheet

5 min read Jun 26, 2024
Maxwell Ultracapacitor Datasheet

Maxwell Ultracapacitor Datasheet: Unlocking the Power of Energy Storage


Maxwell Technologies, a leading manufacturer of ultracapacitors, offers a range of high-performance energy storage solutions for various applications. Their ultracapacitors are designed to provide reliable, efficient, and safe energy storage for a variety of industries, including automotive, renewable energy, and industrial power systems. In this article, we will delve into the details of the Maxwell ultracapacitor datasheet, exploring its key features, benefits, and applications.

Overview of Maxwell Ultracapacitors

Maxwell ultracapacitors are electrochemical double-layer capacitors that store energy through the electrostatic double-layer effect and electrochemical pseudocapacitance. They are designed to provide high power density, long lifespan, and low maintenance, making them an ideal solution for applications requiring rapid charge and discharge cycles.

Key Features of Maxwell Ultracapacitors

High Energy Density

Maxwell ultracapacitors offer high energy density, ranging from 2.7 to 3.0 Wh/kg, making them suitable for applications where space is limited.

High Power Density

With power densities up to 10 kW/kg, Maxwell ultracapacitors can provide rapid charge and discharge capabilities, making them ideal for applications requiring high power bursts.

Long Lifespan

Maxwell ultracapacitors have a long lifespan, with a minimum of 500,000 cycles, ensuring reliable performance over extended periods.

Low Maintenance

Maxwell ultracapacitors require minimal maintenance, with no need for replacement or refurbishment, reducing overall costs and downtime.

Wide Operating Temperature Range

Maxwell ultracapacitors can operate effectively in a wide temperature range, from -40°C to 65°C, making them suitable for various environmental conditions.

Maxwell Ultracapacitor Datasheet

The Maxwell ultracapacitor datasheet provides detailed information on the specifications, features, and performance characteristics of their ultracapacitors. The datasheet typically includes the following information:

Electrical Characteristics

  • Capacitance
  • Voltage
  • Energy storage capacity
  • Power density
  • Equivalent series resistance (ESR)

Physical Characteristics

  • Dimensions
  • Weight
  • Operating temperature range
  • Storage temperature range

Performance Characteristics

  • Cycle life
  • Self-discharge rate
  • Leakage current
  • Response time

Safety and Regulatory Information

  • Safety certifications (e.g., UL, CE, RoHS)
  • Compliance with industry standards (e.g., IEC, IEEE)

Applications of Maxwell Ultracapacitors

Maxwell ultracapacitors are used in a variety of applications, including:


  • Start-stop systems
  • Regenerative braking systems
  • Electric vehicle charging systems

Renewable Energy

  • Wind turbine pitch control systems
  • Solar panel power backup systems
  • Energy storage systems for grid stabilization

Industrial Power Systems

  • Backup power systems
  • Motor starting systems
  • Power quality improvement systems


The Maxwell ultracapacitor datasheet provides a comprehensive overview of the features, benefits, and applications of their high-performance energy storage solutions. With their high energy density, power density, and long lifespan, Maxwell ultracapacitors are an ideal choice for various industries, including automotive, renewable energy, and industrial power systems. By understanding the specifications and characteristics outlined in the datasheet, designers and engineers can confidently select the right Maxwell ultracapacitor for their specific application.

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