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EV-Only Expertise
EVS works only on electric vehicles. Every service is built for EV systems, not adapted to them.
Opening soonEVS China is not open yet. These are the services the Shanghai centre will offer.Get told when we open
EV Battery & Electrical Services in China
Low-Voltage Diagnostics for Electric Vehicles in China
EVS Low-Voltage System Repairs for Reliable EV Functionality
Tell Me When You OpenAbout the Service.
Electric vehicles rely on both high-voltage systems for propulsion and low-voltage systems for everyday functions like lighting, infotainment, sensors, and control circuits. When these auxiliary systems malfunction, it can lead to inconvenience or even safety concerns. At EVS, we will use advanced diagnostic tools to identify faults in low-voltage wiring, fuses, relays, and modules—ensuring your EV’s internal electronics perform reliably and as designed.
Benefits of Low-Voltage Diagnostics
Lighting System Troubleshooting
We resolve flickering headlights, dashboard lights, and interior illumination issues.
Control Module Testing
We will check ECUs, body control modules, and relays to detect inconsistent behaviors or faults.
Infotainment & Accessory Repair
Diagnose issues in screens, USB ports, speakers, and driver-assist functions.
Battery & Fuse Check
Low-voltage batteries and fuses are tested for proper voltage output and continuity.
Sensor Diagnostics
We identify faults in low-voltage sensors responsible for climate control, keyless entry, and more.
Short Circuit & Power Drain Detection
We isolate wiring faults or parasitic draws that drain your auxiliary battery.
Battery & Electrical Services.
Frequently Asked Questions.
Dimming lights, unresponsive screens, intermittent power windows, or dashboard alerts related to auxiliary systems.
While not always, they can impact safety and comfort—especially if affecting lights, sensors, or climate control.
Checks and fault isolation are usually same-day work, and we will publish real times once the centre is running, depending on system complexity.
Persistent low-voltage faults can impact auxiliary battery performance and, in some cases, create unnecessary power drain.
We will provide both diagnostics and repair services—replacing faulty parts, clearing faults, and retesting for system health.
Why Choose EVS?.
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Advanced Diagnostics & Tools
The centre is being equipped with EV diagnostic software and insulated tools, so issues are handled safely and accurately.
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All-in-One Service Center
Repairs, paint, batteries, AC - all under one roof, so a car is not shuttled between three shops.
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Backed by the EVS Group
The Shanghai centre opens with the tooling, the training and the procedures already running in EVS workshops across the Gulf.
Electric Vehicle Services.
Programming & Software
Optimize Your EV’s Performance with Expert Programming and Software Solutions
View All Programming Services
Mechanical Services
Keep Your EV Running Smoothly with Top-Notch Mechanical Care
View All Mechanical Services
Battery & Electrical
Power Up Your EV with Advanced Battery and Electrical Solutions
View All Electrical Services
Body & Paint
Restore Your EV’s Look with Expert Body and Paint Services
View All Body & Paint Services
Insurance Services
Seamless Insurance Support for Your EV Needs
View All Insurance ServicesThis work in China
China ended 2025 with 43.97 million new-energy vehicles in use, against a reported 20,000 to 30,000 workshops equipped to service them. The capacity gap is real, and it is widest exactly where the work needs manufacturer-level diagnostic access rather than general mechanical skill.
What we expect to see
Where this work usually starts...
Most jobs arrive one of four ways. Knowing which one you are in changes what should happen next, and what it should reasonably cost.
A second opinion on a large quote
Someone has been quoted a figure that does not sound right, usually on a battery or a drive unit. The useful next step is measurement, not another opinion - and if the first quote turns out to be correct, we will say so.
A fault the dealer could not reproduce
Intermittent faults are the ones that get sent away. They are usually a connector, an earth point or a circuit under load, and they are found with a wiring diagram and a meter rather than by changing parts until it stops.
A car being bought or sold
Pre-purchase inspection on a used EV, where the dashboard percentage is an estimate and a state-of-health test is a measurement. Seven-year-old car with a four-year-old battery is a real outcome, and it is worth knowing before the money moves.
A fleet that cannot afford the downtime
Ride-hailing, rental and delivery operators buy predictable turnaround more than they buy any single repair. That is planned capacity, not an emergency, and it should be arranged before it is needed.
How a visit works
What this will look like when we open...
The Shanghai centre has not opened yet, so this is what we are building toward rather than what you can book today.
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Tell us the symptom
Not the diagnosis. What the car is doing, when it started, and whether anything changed before it - a service, a collision, a software update, a cold week.
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We measure before we quote
Fault codes say where the alarm went off, not why. Data streams, actuator tests and circuit measurements say why. The quote comes after that, not before.
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You get the finding in writing
What is wrong, what it will cost, and what can wait. If a cheaper repair will do the job, that is the one we will put in front of you.
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The work is verified, not just finished
Anything that needed coding gets coded. Anything that needed calibrating gets calibrated and recorded. A job that was not verified is a job that comes back.
EV Service Command Centre
Your EV deservesspecialist hands.
Diagnostics, repairs and maintenance from technicians who work exclusively with electric vehicles.
EV Specialists·Advanced Diagnostics·Genuine Expertise