EV charging station array at a service point

USTEU Digital Energy Management Company Limited

EV charging infrastructure for every location

USTEU DEM supplies electric car chargers — hardware, operating software and full technical support for residential areas, car parks, shopping malls and transport operators.

Product range

AC charging equipment

6 models
Wall-mounted AC charging pile

AC charging pile 7kW

With or without screen, card or networked mode — suits both households and commercial operation.

  1. 1

    Multiple version selection to adapt to all scenarios

    Dual form with/without screen, card swiping/networking dual mode, rated power 7kW, covering household use and commercial operation needs.

  2. 2

    Stable fast charging, universal adaptation

    3.5kW/7kW rated power, 5-meter cable, compatible with mainstream new energy vehicle models on the market.

  3. 3

    Intelligent control operation is convenient

    Single machine card swiping for instant charging; the 4G network version supports scanning and card swiping, remote management, and precise billing.

  4. 4

    Safe, durable, easy to install and deploy

    IP55 level multiple security protection, supporting wall/column installation, suitable for various indoor and outdoor environments.

Technical specifications (11 items — click to view)
Technical specifications
Rated power
7kW (CEN) · 7kW (ANSI)
Input voltage
240 VAC / 400 VAC (CEN) · 110VAC / 240VAC (ANSI)
Incoming frequency
50/60 Hz (CEN) · 50/60 Hz (ANSI)
Output voltage
240VAC / 400VAC (CEN) · 110VAC / 240VAC (ANSI)
Level of protection
IP55 (CEN) · IP55 (ANSI)
Charging interface
IEC 62196 Type 2 (CEN) · IEC 62196 Type 1 (ANSI)
Usage temperature
–25℃~40℃ (CEN) · –25℃~40℃ (ANSI)
Ambient humidity
RH 5%-95% (CEN) · RH 5%-95% (ANSI)
Start method
Plug and play, card swiping (CEN) · Plug and play, card swiping (ANSI)
Installation method
Wall-mounted, stand column (CEN) · Wall-mounted, stand column (ANSI)
Main engine size
350 × 220 × 105mm (CEN) · 350 × 220 × 105mm (ANSI)
Residential AC charging pile

AC charging pile 7kW (residential)

Wide-temperature operation with IP-rated safety protection, three control modes.

  1. 1

    High power output

    7kW residential AC charger, 32A full rated output.

  2. 2

    Safe & reliable

    Wide-temperature operation with IP-rated safety protection.

  3. 3

    Multi-control support

    Plug-and-Charge / RFID / Mobile APP.

  4. 4

    Flexible installation

    Wall-mounted or pole-mounted.

Technical specifications (12 items — click to view)
Technical specifications
Power
AC 7kW
Operating temperature
-30℃ ~ 55℃
Humidity
5% to 95% non-condensing
Altitude
2000m
Dimensions
19.5 × 14.4 × 10 cm
RCD
Type A + DC 6mA
Input voltage
1/N/PE ~ 230V
Input frequency
50Hz
Relay specification
50A 250VA
Maximum output current
32A
Charging method
RFID card / Plug and charge / APP
Installation method
Wall-mounted / Pole-mounted
AC charging pile

AC charging pile 7 / 11 / 22kW

Three power options, optional load balancing, OCPP support, removable screen.

  1. 1

    Flexible power options

    7kW / 11kW / 22kW variants for home and commercial use.

  2. 2

    Reliable environmental adaptability

    -30℃ ~ 55℃ operating range, works indoors/outdoors.

  3. 3

    High safety standards

    Type A + DC 6mA RCD protection for secure charging.

  4. 4

    User-friendly experience

    Plug-and-charge, optional RFID / APP / reservation charging.

  5. 5

    Smart & scalable features

    Optional load balancing, OCPP support, removable screen.

Technical specifications (17 items — click to view)
Technical specifications
Electrical
Power
AC 7kW / AC 11kW / AC 22kW
Temperature
-30℃~55℃
Humidity
5%~95% no congeal
Environment altitude height
2000m
Size
23 × 33 × 10 cm
RCD
Type A + DC 6mA
Input voltage
1/N/PE ~ 230V (7kW) · 3/N/PE ~ 380V (11kW, 22kW)
Input frequency
50Hz
The max power
7kW / 11kW / 22kW
Electric relay specification
50A 250VA
Rated output max output
32A / 16A / 32A
Cable length
5 meter output cable, no input cable in default
Charging method
RFID (optional) card / plug and charge / APP / reservation charging
Structure
Application
Indoor / Outdoor
Function
Load balance
CT + single / three phase meter (optional)
OCPP
4G / Ethernet
Screen
Screen is removable if not needed
AC charging cable box

AC charging cable box 3.5kW

IP67 portable box, customisable gun cable length, comprehensive protection.

  1. 1

    High-grade injection-molded shell

    With exquisite and fashionable appearance.

  2. 2

    The protection level reaches IP67

    With UV-resistant technology.

  3. 3

    Support vehicle-side scheduled charging

  4. 4

    The length of the gun cable can be customized

    5 meters / 10 meters / 15 meters / 20 meters.

  5. 5

    Comprehensive protection functions

    Overcurrent, overvoltage, short circuit, overtemperature, grounding, reversed neutral and live wire connection, lightning protection, and relay adhesion prevention.

Technical specifications (13 items — click to view)
Technical specifications
Rated output power
3.5kW (CEN) · 3.5kW (ANSI)
Input voltage
240Vac (CEN) · 240Vac (ANSI)
Incoming frequency
50/60Hz (CEN) · 50/60Hz (ANSI)
Output voltage
240Vac (CEN) · 110VAC/240Vac (ANSI)
Level of protection
IP67 (CEN) · IP67 (ANSI)
Charging interface
IEC 62196 Type2 (CEN) · IEC 62196 Type1 (ANSI)
Usage temperature
-30℃-50℃ (CEN) · -30℃-50℃ (ANSI)
Ambient humidity
RH5%-95% (CEN) · RH5%-95% (ANSI)
Altitude
≤2000m (CEN) · ≤2000m (ANSI)
Start method
Plug and play (CEN) · Plug and play (ANSI)
Net weight
1.65kg
Installation method
Portable
Main engine size
206 × 84 × 50 mm
US-standard AC charging pile

AC charging pile (SAE J1772 / NACS)

Embedded web server, networked load management across the station.

  1. 1

    OCPP 1.6J and support OTA to 2.0.1

  2. 2

    Plug and Charge

  3. 3

    Quick-Connect Design

  4. 4

    Embedded web server

    By connecting to the EVSE WiFi hotspot through a mobile phone or computer, users can log in to the embedded webserver and easily configure the EVSE network and OCPP.

  5. 5

    Load management

    Multiple devices within the station can be networked, and the total power is limited based on the preset maximum allowable load threshold to ensure that the total power of the station does not exceed the limit. Load management algorithms dynamically calculate and adjust the maximum available current (Imax) allocated to charging vehicles, maximizing the utilization of existing power grid infrastructure, and avoiding unnecessary capacity expansion costs.

Technical specifications (25 items — click to view)
Technical specifications
AC input connection
Power systems
3-wire (L1, L2, Earth), no neutral
Input voltage
208V/240Vac
Input frequency
60Hz
AC output connection
Type of connector
1 × 5.5m/7m SAE J1772 & NACS (with cable management)
Output design power
7kW / 9.6kW / 12kW / 19.2kW
Technical characteristics
Status indication
7-inch LCD with brightness auto adjusted (LED version optional)
Authentication methods
NFC Card, APP, Credit card (optional)
NFC reader
ISO/IEC 14443 TypeA/B, ISO/IEC 18092, IEC/ISO 15693
Internet/networking
4G, Ethernet, WiFi, Bluetooth
Protocol (EVSE & backend)
OCPP 1.6J (support OTA to OCPP 2.0.1)
SIM card
SIM
Load and phase balance
Support load and phase balance locally
Ground fault detection
20 mA CCID
Open safety ground detection
Continuously monitors presence of safety ground connection
Plug-out detection
Power terminated per SAE J1772 specifications
Energy meter
Meter accuracy 1%, accuracy class 2.0, acceptance tolerance 1.0%
Protection
Overcurrent, overvoltage, undervoltage, residual current, overtemperature, integrated surge protection
Material
Polycarbonate, UV resistant and flame retardant
Operating temperature
-30℃ to +50℃
Operating humidity
5% to 95% no condensation
Operating altitude
≤2000m
Degree of protection (casing)
Type 3R per UL 50E
Dimensions (H * W * D)
373 × 210 × 116 mm
Mounting options
Wall or post mounting (accessory)
Certification and standards
Safety and compliance
UL and cUL listed; complies with UL 2594, UL 2231-1, UL 2231-2, and NEC Article 625; Energy Star; CTEP
US-standard AC charging cable box

AC charging cable box (SAE J1772 / NACS)

12kW / 19.2kW, embedded web server and load management.

  1. 1

    OCPP 1.6J and support OTA to 2.0.1

  2. 2

    Plug and Charge

  3. 3

    Quick-Connect Design

  4. 4

    Embedded web server

    By connecting to the EVSE WiFi hotspot through a mobile phone or computer, users can log in to the embedded webserver and easily configure the EVSE network and OCPP.

  5. 5

    Load management

    Multiple devices within the station can be networked, and the total power is limited based on the preset maximum allowable load threshold to ensure that the total power of the station does not exceed the limit. Load management algorithms dynamically calculate and adjust the maximum available current (Imax) allocated to charging vehicles, maximizing the utilization of existing power grid infrastructure, and avoiding unnecessary capacity expansion costs.

Technical specifications (25 items — click to view)
Technical specifications
AC input connection
Power systems
5-wire (L1, L1, L2, L2, Earth)
Input voltage
208V/240Vac
Input frequency
60Hz
AC output connection
Type of connector
1 × 5.5m/7m SAE J1772 & NACS (with cable management)
Output design power
12kW / 19.2kW
Technical characteristics
Status indication
7-inch LCD with brightness auto adjusted (LED version optional)
Authentication methods
NFC Card, APP, Credit card (optional)
NFC reader
ISO/IEC 14443 TypeA/B, ISO/IEC 18092, IEC/ISO 15693
Internet/networking
4G, Ethernet, WiFi, Bluetooth
Protocol (EVSE & backend)
OCPP 1.6J (support OTA to OCPP 2.0.1)
SIM card
SIM
Load and phase balance
Support load and phase balance locally
Ground fault detection
20 mA CCID
Open safety ground detection
Continuously monitors presence of safety ground connection
Plug-out detection
Power terminated per SAE J1772 specifications
Energy meter
Meter accuracy 1%, accuracy class 2.0, acceptance tolerance 1.0%
Protection
Overcurrent, overvoltage, undervoltage, residual current, overtemperature, integrated surge protection
Material
Polycarbonate, UV resistant and flame retardant
Operating temperature
-30℃ to +50℃
Operating humidity
5% to 95% no condensation
Operating altitude
≤2000m
Degree of protection (casing)
Type 3R per UL 50E
Dimensions (H * W * D)
373 × 210 × 116 mm
Mounting options
Wall or post mounting (accessory)
Certification and standards
Safety and compliance
UL and cUL listed; complies with UL 2594, UL 2231-1, UL 2231-2, and NEC Article 625; Energy Star; CTEP

DC charging equipment

2 models
DC charging station, console type

DC charging station 180kW

380V three-phase input, CCS2 and CHAdeMO, built for public operation.

  1. 1

    Thickened metal housing with IP54 protection grade

  2. 2

    Comprehensive functions

    Metering, billing, and user management can meet the needs of public operations.

  3. 3

    Integrated design

    Easy configuration, easy installation.

  4. 4

    Access to a charging platform

    Through 4G / Ethernet, to realize charging by scanning a code.

  5. 5

    Complete protection functions

    Emergency stop, short circuit, overheating, grounding, leakage, overload, lightning protection, overvoltage/undervoltage, waterproof and dustproof.

Technical specifications (12 items — click to view)
Technical specifications
Power specification
180 kW (CEN) · 180kW (JIS)
Input voltage
380 VAC (CEN) · 380 VAC (JIS)
Incoming frequency
50/60 Hz (CEN) · 50/60 Hz (JIS)
Output voltage
1000 VDC (CEN) · 1000 VDC (JIS)
Level of protection
IP54 (CEN) · IP54 (JIS)
Charging interface
CCS2 (CEN) · CHAdeMO (JIS)
Usage temperature
-30℃-50℃ (CEN) · -30℃-50℃ (JIS)
Ambient humidity
RH 5%-95% (CEN) · RH 5%-95% (JIS)
Altitude
≤2000m (CEN) · ≤2000m (JIS)
Start method
Swipe card / scan code / VIN / password (CEN) · Swipe card / scan code / VIN / password (JIS)
Installation method
Console mode (CEN) · Console mode (JIS)
Main engine size
1690 × 710 × 590mm (CEN) · 1690 × 710 × 590 mm (JIS)
High-power DC charging station

DC charging station 160 / 240 / 320kW

Air and liquid cooling, peak efficiency ≥96.5%, dual connector, ground mounting.

  1. 1

    High power & wide compatibility

    Available in 160-320kW power options, compatible with fast charging requirements of most mainstream vehicles.

  2. 2

    High efficiency & comprehensive protection

    Peak conversion efficiency ≥ 96.5%. Equipped with both air cooling and liquid cooling solutions. Featuring IP protection and full-circuit safety safeguards for stable operation under harsh outdoor conditions.

  3. 3

    Smart & easy operation

    Supports OCPP protocol for intelligent networking and OTA remote upgrade. Ideal for various commercial charging stations, delivering a reliable and high-efficiency fast charging solution.

Technical specifications (27 items — click to view)
Technical specifications
Electrical
Input power
AC480V ± 10%Vac, 3-phase, L1, L2, L3, PE, 50/60Hz
Output power
160kW; 240kW; 320kW
Output voltage
150 to 1000 VDC
Output current
Air cooling: 300A (max. 500A); liquid cooling: 500A (max. 600A)
Power factor (>50% load)
≥ 0.98
Peak efficiency
≥ 96.5%
Standby power
Meet the Energy Star
Dynamic power sharing
Full power support dynamic output mode
User interface & communication
Connector option
CCS1 × 2; CCS1 + NACS (optional)
Internet connectivity
4G / Wi-Fi / Ethernet (RJ45)
Authentication methods
PnC, QR code, RFID & credit card (optional)
Interface
32-inch screen with 4 buttons
Accessible for wheelchair users
Yes
Communications protocols
OCPP 1.6J (support OTA to OCPP 2.0.1)
Software update
OTA update via web
Technical characteristics
Cable length
5m with cable management system and ADA compliance
Protection ratings
NEMA 3R & IK 10 (HMI IK 08)
Enclosure type
Stainless steel 430
Safety
Overcurrent, overvoltage, undervoltage, ground fault, overtemperature, short circuit, insulation monitor & surge protection
Operating altitude
≤2000 m
Operating temperature
-30℃ to +50℃ (50℃~60℃ derated output)
Storage temperature
-40℃ to +70℃
Humidity
<95%RH, non-condensing
Noise level
<68 dB at 1m / 25℃ / full load / 800 VDC (noise adaptive, silent mode)
Mounting
Ground mounting
Dimensions (H * W * D)
2170 × 843 × 802mm
Safety and compliance
Safety and compliance
UL 2202, UL 2231-1, UL 2231-2, NEC Article 625, CSA C22.2 No.107.1-16

Mobile charging equipment

1 models
Energy storage mobile charging robot

Energy storage mobile charging robot

184.32kWh on board, built-in 60kW charger, top speed 4 km/h.

  1. 1

    Large-capacity lithium battery pack

    Comes with a 60kWh to 200kWh large-capacity lithium battery energy storage pack.

  2. 2

    Organic integration of three technologies

    Charging technology, energy storage technology and intelligent driving technology organically integrated.

  3. 3

    Unmanned operation

    The mobile charging service and mobile energy storage service of unmanned operation and maintenance are realized.

  4. 4

    Occupies parking spaces on your behalf

    Realizing a new service ecology of charging, energy storage and parking at the park level.

Technical specifications (22 items — click to view)
Technical specifications
Vehicle parameters
Rated capacity
184.32 kWh
Rated nominal voltage
614.4V
Power of charging pile
60 kW
Maximum velocity
4 km/h
Maximum gradeability
8%
Maximum obstacle height
70mm
Ground clearance
85mm
Ground condition
Cement, asphalt, etc.
Dead weight of vehicle
2100 KG
Main engine size
2030 × 1050 × 1344.5 mm
Built-in charging pile specifications
Charging gun
1 (with gun line 3.5m)
Rated input DC voltage
480V-700.8V
Rated input AC voltage / capacity
260V-530V / 300 Ah
Rated output voltage
750 Vdc Max
Maximum charge current
150A Max
Charging interface
Meets GB/T 20234-2015
Communication protocol
National software standard 2015 agreement, configuration compatible with the 2011 agreement
Communication interface
GB/T 27930, wireless communication
Level of protection
IP54
Usage temperature
-30℃~60℃
Altitude
≤2000 m
Start method
Scan QR codes

Best suited for

Car parks and shopping malls
Apartment blocks and residential areas
Petrol stations and rest stops
Transport operators and fleets

Cooperation models

Choose the rollout that fits your resources
Outright purchase
You own the hardware and all the revenue; we provide the software and warranty.
Equipment leasing
Pay a monthly fee with no large upfront investment.
Revenue sharing
We fund the equipment, you provide the location, and we split the revenue.

Full-service delivery

From site survey to handover — a single point of contact

Consultation & Design

We survey the site in person and propose mounting positions and an electrical connection plan that fits your operating needs.

Installation & Handover

Our technicians install, wire up and commission on site before handing the station over for operation.

Operation & Maintenance

Scheduled system checks, technical support and component replacement throughout the warranty period.

Monitoring & Data Management

Charging data, device status and revenue tracked on one centralised management system.

Construction team installing charging stations on site
Engineer inspecting an electrical cabinet and recording operating data
Dashboard screen showing charging station operating data

Illustrative images

Illustrative images of equipment and deployment formats. Actual on-site photos are provided per project.
EV charging station under a canopy
Electric car charging at a station
Close-up of a charging pile and connectors

Why USTEU Vietnam

  • Registered in Vietnam
    A legally registered enterprise in Hanoi, issuing full VAT invoices.
  • Stable supply chain
    Direct factory sourcing ensures delivery schedules and competitive pricing.
  • On-site technical support
    Our team handles installation, warranty and device replacement.
  • Flexible cooperation
    Outright purchase, equipment leasing or revenue sharing — pick what fits.

About Us

USTEU Digital Energy Management Company Limited (USTEU DEM) operates in EV charging equipment and infrastructure, and is headquartered in Hanoi. We work with partners from site survey and installation through to daily operation and revenue sharing.

Company name
Công ty TNHH Quản lý Năng lượng Kỹ thuật số USTEU
English name
USTEU Digital Energy Management Company Limited
Chinese name
USTEU数字能源管理股份有限公司
Short name
USTEU DEM
Registered address
56 Nguyễn Đình Hoàn, Phường Nghĩa Đô, TP. Hà Nội, Việt Nam
Phone
0378 717 770
Email
postmaster@usteudem.com

Deployment process

From survey to operation, someone owns every step

  1. 1

    Site survey

    We assess vehicle traffic, mounting positions and available electrical capacity.

  2. 2

    Proposal

    We pick the hardware configuration and cooperation model, with clear pricing.

  3. 3

    Installation

    Our technicians install, wire up and commission on site.

  4. 4

    Operation

    You get an admin account to track revenue and device status.

  5. 5

    Warranty and support

    Technical support and part replacement throughout the warranty period.

Get in touch

Reach us directly by phone or email below.

56 Nguyễn Đình Hoàn, Nghĩa Đô, Hà Nội