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Proper Voltage

Develops rapid-charge Lithium Titanate batteries

Associate Electrical Engineer

Board & Electronics DesignConfirmed live in the last 24 hours
Full-timeCarlsbad, CA, USAIn-person

About the Job

Requirements

  • A bachelor's degree in electrical engineering or a related field is required.
  • Have 0 to 3 years of hands-on electrical engineering experience, including internships.
  • Have a solid understanding of analog and digital circuit fundamentals.
  • Have experience using lab equipment such as oscilloscopes, multimeters, power supplies, and electronic loads.
  • Have working knowledge of at least one of the following: power electronics (buck/boost converters and switching regulators), battery systems or battery management, or microcontroller-based hardware.
  • Have clear written and verbal communication skills.
  • Be able to learn quickly and work with limited supervision in a startup environment.

Responsibilities

  • Support the design of battery management systems, DC-DC converters, and power distribution circuits.
  • Draw schematics and select components in Altium Designer.
  • Perform bring-up, testing, and debugging on prototype hardware.
  • Take bench measurements and document results, including efficiency, thermal, and protection behavior.
  • Review PCB layouts with the layout team and help resolve design issues.
  • Maintain bills of materials, test procedures, and design documentation.
  • Support design verification and compliance testing.
  • Work with manufacturing and suppliers to resolve build and sourcing issues.

Desired Qualifications

  • Experience with Altium Designer or another schematic and layout tool.
  • Experience with lithium-ion battery systems or battery management systems.
  • Familiarity with communication interfaces such as CAN, SPI, I2C, and UART.
  • Basic scripting for test automation or data analysis, such as Python.
  • Startup, small-team, or hardware project experience.
  • Familiarity with UL, IEC, or automotive standards.

About the Company

Proper Voltage

Develops rapid-charge Lithium Titanate batteries

ZapBatt develops and manufactures Lithium Titanate battery systems for fast charging, long life, and enhanced safety, with customizable battery packs sold directly or as tailored solutions. Its products use Lithium Titanate chemistry to charge in under 20 minutes and deliver up to 15,000 cycles (about 25 years), reducing waste and costs. Its Battery AI analyzes 26 performance factors to continually optimize battery behavior, differentiating it with AI-driven optimization and pack customization. Its goal is to provide reliable, efficient energy storage across multiple industries while lowering total cost of ownership and enabling sustainable energy use.

Company size
11-50
Company stage
Early VC
Total funding
$13.7M
Headquarters
Carlsbad, CA
Founded
2019

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