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$175 / hour · Time and materials

Professional Consulting

Resolve battery and powertrain decisions before they become expensive prototype problems. EVDrive offers focused consulting, design review, and ongoing engineering support.

Purchase engineering time →Talk to Evie about your project
EVDrive engineers reviewing an electric vehicle powertrain installation
Where Consulting Helps

Bring us the hard questions before it becomes a full redesign.

EVDrive supports startups, specialist builders, and original equipment manufacturer (OEM) prototype teams that need experienced battery or powertrain judgment without hiring a full internal department. The team includes electrical, mechanical, and software engineers as well as battery, wiring, circuit-board, procurement, machining, and fabrication specialists.

Consulting can begin with an incomplete specification. EVDrive can help translate a duty cycle, packaging limit, performance target, or existing prototype problem into the decisions your team must make next.

Consulting is for decisions, reviews, and technical direction. When EVDrive is expected to own detailed drawings, component integration, prototype hardware, or a validation project, the engagement moves into Custom System Design.
Consulting Topics

Decisions that shape powertrain performance.

The exact scope follows your project. These are common starting points for electric vehicle battery consulting and system-level engineering review.

Feasibility and requirements definition

Turn range, duty cycle, peak and continuous power, packaging, mass, environment, schedule, and budget into an engineering problem that can be solved.

Cell and battery architecture

Evaluate chemistry, cell format, series and parallel configuration, energy and power margins, module strategy, service life, and the tradeoffs between performance, size, mass, and cost.

Thermal-management strategy

Review expected heat load, liquid-cooling approach, coolant temperatures and flow, peak versus continuous operation, cold-weather needs, and where thermal limits may constrain the system.

Battery management and high-voltage safety

Review battery management system (BMS) topology, sensing, balancing, contactors, precharge, fusing, service disconnects, fault strategy, and controller area network (CAN) integration.

Drive-system integration

Assess motor and inverter matching, system voltage, gearing, charging, power distribution, auxiliary loads, cooling loops, and the interfaces that must work together in the vehicle or machine.

Design review and troubleshooting

Pressure-test an existing architecture, drawing set, bill of materials, supplier proposal, or prototype data. Identify assumptions, integration gaps, and the next measurements needed.

Ways to Engage

Right-sized engineering support.

Technical working session

Bring a defined question, available data, and the people who own the decision. Leave with a recommendation, the tradeoffs behind it, and concrete next actions.

Architecture or design review

Share drawings, schematics, models, data, and assumptions in advance. EVDrive reviews the system across the battery, controls, thermal, and powertrain interfaces.

Project engineering support

Use EVDrive as an experienced extension of your team through recurring design decisions, supplier questions, integration issues, and prototype milestones.

Useful Inputs

Send what you know. Call out what is still unknown.

A useful first review does not require a finished specification, but it improves quickly when the project constraints are visible.

1

Application and duty cycle

Vehicle or machine type, expected operation, range, load profile, and environmental conditions.

2

Electrical targets

Nominal and maximum voltage, energy, peak and continuous power or current, charging, and auxiliary loads.

3

Mechanical constraints

Envelope, mounting, mass target, service access, impact or vibration exposure, sealing, and cooling interfaces.

4

Existing technical material

Computer-aided design (CAD), schematics, wiring, bill of materials (BOM), supplier data, test data, and known failure modes.

5

Commercial context

Prototype quantity, expected production volume, target schedule, budget range, and decisions already made.

6

The decision you need

State the immediate question, who will use the answer, and what milestone or purchase depends on it.

Scope and Fit

A practical first step for qualified projects.

Good consulting fit

  • Startup or OEM prototype teams without dedicated battery-system depth
  • Specialty automotive, marine, motorsport, industrial, or heavy-equipment projects
  • Teams choosing between competing battery or drive architectures
  • Existing designs that need an experienced second review
  • Prototype problems that cross electrical, mechanical, thermal, and controls boundaries

Likely a different path

  • A request for free product troubleshooting without an engineering engagement
  • A commodity pack where an established off-the-shelf product already meets the requirements
  • A project that needs EVDrive to produce the design package or hardware, which belongs in Custom System Design
  • Formal certification or transport-compliance testing, which must be performed by the appropriate qualified laboratory
  • A project with no defined application, responsible technical contact, timeline, or realistic budget
Frequently Asked Questions

Before you book engineering time.

Can EVDrive help before our requirements are complete?

Yes. Requirements definition is a valid consulting scope. Bring the application, the known constraints, and the decisions already made. EVDrive can help identify the missing requirements and the trade studies needed next.

Can you review an existing battery or powertrain design?

Yes. A review can cover architecture, cell selection, BMS integration, wiring and protection, thermal strategy, motor and inverter matching, component interfaces, and available prototype data.

What is the difference between consulting and custom design?

Consulting gives your team analysis, recommendations, and technical direction. Custom System Design is the better fit when EVDrive will create detailed design artifacts, integrate components, build prototype hardware, or own a validation project.

Does EVDrive provide battery certification?

EVDrive can help define development requirements and prepare a sensible validation path. Formal certification and transport testing, including work associated with UL 2580 or United Nations Manual of Tests and Criteria, Part III, subsection 38.3 (UN 38.3), must be performed by the appropriate qualified laboratory.

Why is consulting billed time and materials?

Battery and prototype projects contain unknowns that are difficult to price honestly in advance. Time-and-materials billing lets the team set a clear objective and checkpoints without hiding a large risk premium inside a fixed price.

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Put an experienced battery team on the next decision.

Tell EVDrive what you are building, what is already known, and which decision is holding the project back.

Talk to Evie about consulting →