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Wall-Mounted Bidirectional DC Charger with V2G/V2L/V2H

  • Wall-Mounted Bidirectional DC Charger with V2G/V2L/V2H
  • Wall-Mounted Bidirectional DC Charger with V2G/V2L/V2H
  • Wall-Mounted Bidirectional DC Charger with V2G/V2L/V2H

Key attributes

Brand Rw Energy
Model NO. Wall-Mounted Bidirectional DC Charger with V2G/V2L/V2H
Rated Output Rating 15kW
Output Voltage DC 200-1000V
Power Conversion Efficiency ≥95%
Connector Options CHAdeMO
Cable Length 5m
Input Voltage 380V
Series WZ-V2G

Description

Product overview

This BI-DIRECTIONAL DC Fast Charger supports three major modes: V2G (Vehicle-to-Grid), V2L (Vehicle-to-Load), and V2H (Vehicle-to-Home), redefining electrical energy interaction. With V2G technology, vehicles can charge during low-power consumption periods and feed power back to the grid during peak hours, aiding in peak shaving and valley filling while generating revenue. In V2L mode, the charger transforms into a high-power mobile power source, providing stable electricity for camping equipment, outdoor machinery, emergency rescue gear, and other loads. The V2H function enables electric vehicles to serve as home backup power, ensuring household appliances operate during power outages or optimizing home electricity costs. Supporting a maximum charging power of 350kW and discharging power of 100kW, it is equipped with an intelligent power regulation and bidirectional energy management system to ensure efficient, stable, and safe bidirectional power transmission, making it a core device for the future smart energy ecosystem.

Features

  •  Connectors - GBT/CCS1/CCS2/CHAdeMO/Tesla.

  • Support V2G/V2L/V2H.

  • Configurable output power settings.

  • RFID Reader.

  • Optional Credit Card Reader.

  •  Station-level monitoring platform.

  • FRU Onboard Diagnostics.

  •  Easy to Service.

Specifications

Category

specifications

Data parameters

Product Model

WZ14-V2G-20kW

WZ14-V2G-40kW

Appearance structure

Dimensions (L x D x H)

650mm x 260mm x 1600mm

Weight

360kg

Length of charging cable

5m

Connectors

GBT,CCS2,CCS1,CHAdeMO,NACS

Electrical indicators

Input/ Inverter Voltage

400VAC / 480VAC (3P+N+PE)

Rated frequency

50/60Hz

Rated DC Voltage

200 - 1000VDC

Rated DC current

50A

80A

rated power

20kW

40kW

Efficiency

Peak Power≥96%

Power factor

>0.98

Communication protocol

OCPP 1.6J (State Grid Corporation of China,YKC, Xiao ju and other operating platforms.)

functional design

Display

7inch LCD with touch screen

Number of guns

1

Access Control

RFID/ ISO/IEC 14443A/B / POS machine (Optional)

Communication

WIFI/Ethernet / 3G/4G Modem (Optional)

Power Electronics Cooling

Air Cooled

work environment

Operating temperature

-30°C to 75°C

Working/Storage Humidity

≤ 95% RH / ≤99% RH (Non-condensing)

Altitude

< 2000m

Ingress Protection

IP54 / IK10

safety design

Safety protection

Overvoltage protection, lightning protection, overcurrent protection, leakage protection, waterproof protection, etc

Emergency Stop

Emergency Stop Button Disables Output Power

Dimension

20kW/30kW/40kW BI-DIRECTIONAL DC Fast Charger V2G/V2L/V2H

Bi-directional function:

  • V2G (Vehicle to Grid): Vehicle to grid. That is, electric vehicles can not only obtain electrical energy from the grid for charging, but also feed back the electrical energy in the vehicle battery to the grid under certain circumstances to realize reverse transmission of electrical energy. This helps to peak-shave and valley-fill the grid, improve the stability and efficiency of the grid. At the same time, vehicle owners may also obtain certain economic benefits.

  • V2L (Vehicle to Load): Vehicle to load. It can use electric vehicles as a mobile power source to supply power to other external load devices. For example, when camping outdoors, it can supply power to electric ovens, stereos and other devices, expanding the usage scenarios of electric vehicles.

  • V2H (Vehicle to Home): Vehicle to home. It enables electric vehicles to be connected to the home's power system and provide emergency power for the home in case of power outages or charge at low electricity prices and supply power to the home at peak times to save home electricity costs.

     

what is V2G technology? In short, it is based on two-way charging piles, combined with energy management systems and cloud platform intelligent scheduling technology, and connected to the power grid dispatching system to realize the intelligent two-way transmission of electrical energy between the power grid and vehicles, meeting the purposes of vehicle transportation, new energy access, and stable control of the power grid.

Application scenarios

  1. Grid-side V2G peak shaving

     Adaptation advantages: Supports charging during off-peak hours and discharging during peak hours (100kW discharge power), helping the power grid balance loads; can be connected to the grid dispatching platform, suitable for power companies and new energy vehicle companies to build "virtual power plants"; covers long-tail keywords such as "grid peak shaving V2G charging piles" and "virtual power plant bidirectional charging and discharging equipment".

  2. Home V2H emergency backup

     Adaptation advantages: IP54 protection allows installation on balconies/garages, with a temperature resistance range of -40℃~+75℃, suitable for both northern and southern regions; automatically switches to V2H mode during power outages, with 40kW power capable of supporting a refrigerator (0.8kWh/day) + air conditioner (1.5kWh/day) to work continuously for 3 days; covers "home V2H charging piles" and "power outage backup bidirectional fast charging piles".

  3. Outdoor V2L power supply (camping/emergency)

     Adaptation advantages: 5m cable + IP54 waterproof, suitable for campsites and outdoor construction; V2L mode can power electric drills (1.5kW), portable ovens (2kW), and emergency lighting, replacing fuel generators; covers "outdoor V2L charging piles" and "camping vehicle-mounted power supply equipment".

 

Reference Projects for Wall-Mounted Charger

  • RW Energy Shijiazhuang 480 kW Split Type DC Fast Charging System Case Study
    Empowering the upgrading of charging infrastructure in Shijiazhuang with high-power split fast charging technology, this solution leverages the architectural advantages of 480kW centralized power supply and distributed deployment. It delivers robust high-concurrency processing, all-scenario protection and comprehensive safety control, effectively easing charging congestion and consolidating core energy supply nodes along urban arterial roads.01 Project Overview1.1Project BackgroundWith the rapid
  • RW Energy Baoding 60 kWh 30 kW Energy Storage Integrated DC Fast Charging Station Success Case
    Adopting an innovative integrated energy storage and fast charging architecture, this solution addresses insufficient grid capacity in urban built-up areas. Featuring a compact integrated design, full-range environmental adaptability and multi-vehicle compatibility, it enables lightweight deployment of energy replenishment stations in public parking lots, creating a replicable model for non-grid-expansion charging construction and distributed energy storage charging development in northern citie
  • RW Energy Hangzhou 12 Units 120 kW Integrated DC Fast Charging Station Success Case
    Closely responding to the upgrading needs of Hangzhou&rsquo;s urban charging network and focusing on high-frequency charging scenarios in core business districts, this solution deploys 12 sets of 120kW integrated DC fast charging units. Combining dynamic power allocation and industrial-grade protection technologies, it addresses the challenges of high concurrent usage, harsh outdoor conditions and unattended operation, empowering the construction of a convenient, efficient and intelligent urban
  • 15 Units 20kW Portable V2V DC Chargers for Shijiazhuang EV Rescue Service Mobile Charging Upgrade
    01 General Overview: Shijiazhuang Mobile Rescue Power Upgrade1.1 Project BackgroundShijiazhuang, Hebei, as a major transportation hub in North China, has seen an explosive growth in Electric Vehicle (EV) ownership. Consequently, the demand for roadside assistance due to battery depletion&mdash;especially on highways, urban expressways, and remote areas&mdash;has surged. Traditional towing services are not only costly and time-consuming but also contribute to traffic congestion.To improve respons
  • 30 Units of 320kW Integrated DC Chargers Powering Green Logistics in Luquan Project
    01 General Overview: Luquan Heavy Truck Project1.1 Project BackgroundAs the logistics industry transitions toward low-carbon solutions, the Luquan District has actively promoted heavy truck electrification pilot projects. The Luquan Heavy Truck Project aims to build an ultra-fast charging network covering core logistics parks, addressing the "charging efficiency" pain point of electric heavy trucks under high-intensity operations. A total of30 units of 320kW integrated DC chargershave been deplo

Documentation Resource Library Wall-Mounted Charger

High-performers fast charger selection catalog
Public.
High-performers fast charger selection catalog
Catalogue
English
WZ Series EV Charger universal user manual
Public.
WZ Series EV Charger universal user manual
Operating Instruction
English

FAQ for Wall-Mounted Charger

Q: Which electric vehicles are compatible with this bidirectional charger?
A:

It supports GBT/CCS1/CCS2/CHAdeMO/Tesla connectors, compatible with most EV models (e.g., BYD, Tesla, Volkswagen).

Q: How long can the V2H mode power a home?
A:

With 40kW output, it can power a family (refrigerator + lighting + router) for 3-5 days, or with air conditioning for 1-2 days.

Q: What is the core function of a bidirectional charger? Adaptation scenario?
A:

Supporting bidirectional energy transmission between the power grid and load, capable of storing electricity during off peak periods and discharging during peak periods, utilizing peak and off peak electricity price arbitrage, and serving as an emergency power source; Adapt to low-power scenarios with limited space and power distribution .

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