Hanoi · Southeast Asia · Global
Engineering & sourcing for the electric future
BigStar Engineering designs EV technology solutions and sources the components to build them — one partner from concept to supply, based in Hanoi at the heart of Vietnam's fast-growing EV industry.
5
EV solution areas
12
component systems
1
business day to reply
3
working languages
What we do
Two capabilities, one partner
EV Engineering Solutions
Battery systems, electric powertrain, charging, vehicle electronics and prototyping — designed around components you can actually buy.
- Concept, simulation and detailed design
- Integration and validation support
- Engineering for regional conditions
EV Components Procurement & Supply
Sourcing of EV and automotive components from qualified Asian manufacturers, with quality checks and logistics to your door.
- Quotation for every request
- Supplier qualification and inspection
- Prototype to series volumes
End to end
One process from concept to supply
- 01
Consult
Understand your vehicle, market and targets.
- 02
Design
Architecture, simulation and detailed engineering.
- 03
Prototype
Build and integrate the first parts and vehicles.
- 04
Validate
Test against requirements and standards.
- 05
Source
Qualify manufacturers and negotiate supply.
- 06
Supply
Inspect, ship and support in series production.
EV Engineering
Solutions for every part of the electric vehicle
Battery Systems
Battery pack, module and BMS design with thermal management sized for hot, humid Southeast Asian conditions.
Learn moreElectric Powertrain
Motor, inverter and e-axle selection and integration, from performance targets to a validated drivetrain.
Learn moreCharging Solutions
On-board charging, vehicle inlets and AC/DC charging infrastructure that match regional standards.
Learn moreVehicle Electronics & Software
Vehicle control units, embedded software, CAN networks and telematics that tie the EV together.
Learn moreEV Conversion & Prototyping
From concept to running prototype: conversions of existing vehicles and new EV prototypes, built and tested.
Learn moreComponent Catalog
Components across 12 EV systems
From battery cells to charging inlets. Add items to your quote basket and we will source them to your specification.
Why BigStar Engineering
Built to make EV programmes simpler
EV specialists
We focus only on electric vehicle technology: batteries, power electronics, drives and charging.
Hanoi base
Headquartered in Hanoi, close to northern Vietnam's automotive and electronics clusters and connected overland to South China's EV supply chain.
Design and supply in one loop
Engineers and buyers work together, so designs are buildable and parts arrive as specified.
Transparent quality
Clear specifications, inspection records and traceable documentation for every order.
Insights
Latest insights
Sourcing EV Components from Asia: A Practical Checklist
From specifications and samples to quality documents, Incoterms and shipping lithium batteries, a step-by-step checklist for buyers sourcing EV components from Asian manufacturers.
November 3, 2026
EV Charging Standards in Vietnam and Southeast Asia: A Practical Overview
Type 2, CCS2, GB/T and CHAdeMO: which connectors and communication protocols matter in the region, how AC and DC charging differ, and what to check before procuring chargers or vehicle inlets.
October 27, 2026
LFP vs NMC: Choosing a Battery Chemistry for EV Programmes in Southeast Asia
Lithium iron phosphate and nickel manganese cobalt cells both have a place in electric vehicles. We compare energy density, cycle life, thermal safety, cost drivers and climate fit, and list what to include in a cell RFQ.
October 20, 2026
Have an EV project or a bill of materials?
Tell us what you are building. Our engineers and sourcing team reply within one business day.