Hai Khim | EV Charger Installation & Maintenance Singapore
Up to 50% of Eligible Costs, Capped at S$30,000 Per Charger.​
Secure Your Electric Heavy Vehicle Grant
Transitioning your fleet to electric? Hai Khim Engineering Pte Ltd guides you through every stage of the EHVCG process — from eligibility checks and documentation to installation and after-sales support.
Hai Khim | EV Charger Installation & Maintenance Singapore
Singapore's First EV Charger Company
Pioneer EV Charger Installer Since 2004
Over 20 years of engineering expertise, 6,000+ projects completed island-wide, and a team that shows up — before, during, and long after installation
Hai Khim | EV Charger Installation & Maintenance Singapore
Who We Serve
EV Charging Built For Your Home
From restricted zones like landed properties to condominiums and private residences, we handle the full installation process, compliant and hassle-free.
Hai Khim | EV Charger Installation & Maintenance Singapore
Who We Serve
EV Infrastructure For Every Business
Commercial properties, workplaces, petrol stations, depots, and heavy vehicle fleets — we deliver safe, compliant, and scalable EV charging solutions across Singapore.
Hai Khim | EV Charger Installation & Maintenance Singapore
The EV Charger Brands We Work With
End-to-End EV Partner in Singapore
Autel's exclusive distributor and Tesla's authorised installer in Singapore. We also supply LTA-compliant chargers from ABB, Schneider, and SINEXCEL — matched to your site and capacity needs.
Hai Khim | EV Charger Installation & Maintenance Singapore
Trusted By Homeowners, Businesses & Industry Leaders
Know What People Are Saying Below
See what our clients across Singapore say about working with us.

Our EV Charging Solutions

Customer Reviews

Hai Khim | EV Charger Installation & Maintenance Singapore
I recently had an EV charger installed at my home, and I couldn’t be happier with the experience. From start to finish, the process was smooth and professional. Dennis and Heng very prompt in replying to queries. The installer arrived on time, explained everything clearly, and completed the job efficiently. The wiring and setup were done neatly, and they even helped me set up the charger app and test everything before leaving. Pricing was fair, communication was great, and the final result looks fantastic. I highly recommend this company to anyone looking for a reliable and professional EV charger installation!
Hai Khim | EV Charger Installation & Maintenance Singapore
Recently purchased a EV vehicle and engaged Hai Khim to do the installation of EV charger at my parents place. Liaised with Nizah, Stephen & ZuHeng and they were prompt from beginning to the end. In particular, ZuHeng was very patient in replying to my many queries. Will highly recommend Hai Khim for your EV needs!
Hai Khim | EV Charger Installation & Maintenance Singapore
My first Tesla charger was installed by KED. My second Tesla charger was installed by Hai Khim. I prefer Hai Khim due to their professionalism in installation and provision of clear instructions and documents which are very helpful for registration of EV charger at LTA.
Hai Khim | EV Charger Installation & Maintenance Singapore
Hai Khim helped us install one of their more basic EV Charger at our residence, and it is important to us that such installations would not be too disruptive to our daily routine. And we are so glad it was indeed so easy for us to work with Hai Khim -installation date was scheduled at our convenience despite it being the end-of-year period, improvisations were practical and with good considerations, the actual installation was quick, tidy and professional. And even after-sales support had been a good experience for us. 5 Stars!
Hai Khim | EV Charger Installation & Maintenance Singapore
I had a very positive experience with Hai Khim Engineering for the installation of my EV car charger. The team was professional and efficient, completing the work quickly and with a high standard of neatness. Everything was clearly explained, and the charger is working perfectly. I would definitely recommend their services to other EV owners. — JC
evway-77
Good and nice looking product. Value for money. Quick and Excellent service from Dennis and their efficient, knowledgeable, careful and friendly installation team. Will recommend to anyone looking for an EV charger.
evway-76
Thanks to Dennis and team to install the ev charger at our at short notice especially during the busy lunar new year period. Team is able to accommodate our request to install at our choice location at the porch. Thank you!!!
Hai Khim | EV Charger Installation & Maintenance Singapore
Good morning Mr Heng ! I found the 2 persons I communicated with from Hai Khim Engineering with very responsive,attentive , helpful not only ,knowledgable but willing to assist outside of office hours from the time when Harmony appointed the company to install the charger . They are a big credit to the company . I have no hesitation to recommend Hai Khim for excellent work and response!! Thank you Mr. Heng and Stephen !! — Ying Long
Hai Khim | EV Charger Installation & Maintenance Singapore
I am very pleased with the work done by the team from Hai Khim. Dennis had provided various options to route the wiring and place the EV charger during the survey. The installation team led by Stephen and Prabir did a very careful job to lay the wires and casing to ensure it’s neat and concealed where possible even though certain options took some extra effort on their end. Looking forward to receiving my EV soon and the convenience of home charging.
Hai Khim | EV Charger Installation & Maintenance Singapore
Had my charger installed by Hai Khim. From pre-installation assessment to actual installation, the whole process was so smooth without having me to be at home. Their coordinator Loo Zu Heng was helpful and accommodative with the scheduling and communication with their engineer. Actual installation was up to my expectation. Well Done!
Hai Khim | EV Charger Installation & Maintenance Singapore
I recently had an EV charger installed and the entire experience was exceptional. From the initial quotation to the final installation, Dennis Toh was transparent about pricing and maintained a high level of professionalism throughout. The installation process was smooth and efficient, and the quality of work exceeded my expectations. I highly recommend their services for anyone considering an EV charger installation."
Hai Khim | EV Charger Installation & Maintenance Singapore
Dennis and his team in Hai Khim Engineering provided great professional services in the installation of charger at my premises. They are able to accede to my request for an urgent installation and have done a good job in making the cables run aesthetically . Thks
Hai Khim | EV Charger Installation & Maintenance Singapore
I cannot express my gratitude enough for the fantastic service provided by Dennis and his team during the installation of my EV charger. 
From start to finish, their professionalism and expertise were evident. Communication was excellent and they went above and beyond to ensure everything was seamless. The installation was flawless and the team's friendly demeanor made the entire process a pleasure. Thank you Dennis! I highly recommend Hai Khim to anyone in need of an EV charger installation!
evway-73
Pre-Installation: As we worked out the requirements for the installation, Dennis was very clear in explaining how the wall charger was to be installed. I was assured by his professional conduct and hence confident that the quotation was reasonable and there would not be any surprises. 
Installation: A team of 4 arrived promptly and installed the wall charger in a timely manner. They were very polite and professional. They were very carefully to clean and tidy up after the task was completed. A job well done!
Hai Khim | EV Charger Installation & Maintenance Singapore
Stephen Hun provided exceptional service throughout the process. As a first-time EV owner, I had many uncertainties, but he patiently addressed all my queries on WhatsApp and even followed up with a phone call to explain further. Truly outstanding support!

Frequently Asked Questions

Which EV charger should I choose?
The best EV charger depends on your vehicle model, driving habits, available electrical capacity, installation location, and future charging needs. As an independent EV charger specialist, Hai Khim Engineering Pte Ltd is not tied to a single brand. We will assess your requirements, and recommend the most suitable charger for your applications — ensuring the best balance for performance, reliability, features, and value.
How long does it take to charge my EV vehicle?
It will depend on the battery size of your EV vehicle, how much kwh the battery size is, and the kind of charger rating you will be installing at your premise. Do feel free to contact us to do a free consultation on the rough hours needed to be spent on charging your vehicle.
Can I charge multiple vehicles at once?
Usually yes — but it often depends on your electrical supply, typically with load management to balance the power usage used. For more information, get in touch with us directly.
Can I monitor my EV charging remotely?
Many smart chargers come with a mobile application that allows you to: Start or stop charging, monitor charging status, view your charging history, and schedule charging during off-peak hours.
Can I restrict who uses my EV charger?
Yes, you can. Some EV chargers we provide support RFID cards, PIN codes, and app-based access control.

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