A DC rapid charger, also known as a DC charging pile or off-board charger, is a device that directly converts AC power from the grid into high-voltage DC power, bypassing the on-board charger (OBC) to directly charge the battery of an electric vehicle at high power. Unlike AC slow charging piles that output AC power and rely on the on-board charger for conversion, DC fast chargers have built-in high-power rectifier modules and intelligent control systems, with power ranging from 30kW to 480kW.
Among them, 120kW charging stations have become the mainstream standard configuration in the current commercial market due to their balance of efficiency, cost, and grid compatibility. It is a key device for promoting the popularization of new energy vehicles, supporting long-distance travel and efficient operation, and is also the most technologically advanced and in-demand category in the charging pile field.【WhatsApp/WeChat/Phone】+86 138 3814 7859.
Electric Charging Machines Parameters
| Product number | YG-60KW | YG-80KW | YG-120KW | |
| Detailed specification | rated power | 60KW | 80KW | 120KW |
| Charging equipment | User Interface | 7-inch LCD color display touchscreen | ||
| installation | Floor-standing/Down in down out | |||
| Routing mode device size | 635*423*1600(mm) | |||
| Input voltage | AC380V±20% | |||
| Input frequency | 45~65Hz | |||
| The output voltage | 200-750VDC | |||
| Single gun output current range | 200V-500V | 200V-500V | 200V-500V | |
| The output voltage | 0-90A | 0-120A | 0-160A | |
| Single gun output current range | 200V-750V | 200V-750V | 200V-750V | |
| The output voltage | 0-60A | 0-80A | 0-107A | |
| Charging equipment | Single gun output current range | 0-112A | 0-150A | / |
| Cable length | 5m | |||
| Electrical index | Measurement accuracy | Level 0.5 | ||
| Current limit protection value | ≥110% | |||
| Voltage regulation accuracy | ≤±0.5% | |||
| Steady flow accuracy | ≤±1% | |||
| Ripple coefficient | ≤±0.5% | |||
| effectiveness | ≥94.5% | |||
| Power factor | ≥0.99 (50% load or more) | |||
| Harmonic content THD | ≤5% (50% load or more) | |||
| Feature design | HMI | 7-inch LCD color display touch screen, LED indicator | ||
| Charging mode | Auto full / fixed power / fixed amount / fixed time | |||
| payment method | Credit card payment / APP payment /scan code payment | |||
| Communication Interface | Ethernet 2/3/4G (optional) | |||
| Safety design | Executive standard | GB\T 20234, GB/T 18487, GB/T 27930, NB\T 33008 | ||
| security function | Charge gun temperature detection, overvoltage protection, undervoltage protection, overload protection, short circuit protection, grounding protection, over temperature protection, low-temperature protection, insulation monitoring protection, polarity reverse connection protection, lightning protection, emergency stop protection, leakage protection | |||
| Environmental indicators | Operating temperature | -25°C~+50°C | ||
| Working humidity | 5%~95% non-condensing cream | |||
| Working elevation | <3000m | |||
| Protection level | IP54 | |||
| cooling method | Forced air cooling | |||
| Noise control | ≤60dB | |||
| MTBF | 100,000 hours | |||
Types of DC Rapid Charger
Classified by Functional Configuration:
- Single-gun DC Rapid Charger: One charging gun per cabinet. Simple structure, low cost, suitable for low-traffic scenarios or small stations, with high power utilization.
- Dual-gun/Multi-gun DC Rapid Charger: 2-4 charging guns per cabinet. Supports intelligent power allocation (e.g., a 120kW dual-gun charger can achieve 60kW+60kW or a 120kW single-gun charger at full power output). Adaptable to high-traffic stations, improving equipment utilization and user turnover efficiency.
YG DC Rapid Charger: Brand Advantages and Core Competitiveness
Technological R&D Advantages
YG has assembled a research and development team composed of experts in power electronics, new energy control, and software algorithms. They have mastered core technologies such as high-efficiency AC-DC rectification, intelligent BMS communication, intelligent power distribution, and liquid cooling. Their products have passed national, European, and American standard certifications, and their technical parameters are comparable to leading brands in the industry. Their self-developed power module efficiency reaches 95.5%, 0.5%-1% higher than the industry average, resulting in significant electricity cost savings in the long term.
Quality Manufacturing Advantages
Adopting standardized production throughout the entire process, core components are selected from leading international brands such as Siemens, Infineon, and Schneider Electric. The entire unit undergoes eight rigorous quality inspections (aging test, high and low temperature test, waterproof test, insulation test, etc.). The equipment shell is made of thickened cold-rolled steel plate with outdoor-grade paint, making it corrosion-resistant, impact-resistant, and with a service life of over 10 years, far exceeding the industry average of 5-8 years.
Product Compatibility Advantages
YG rejects standardized “one-size-fits-all” solutions and can customize personalized solutions such as single/dual gun, integrated/split type, and air-cooled/liquid-cooled options based on customer site area, grid capacity, budget, and operational needs. In particular, its 120kW DC rapid charger products support flexible power allocation, multi-platform access, and multi-protocol compatibility, adapting to all types of passenger cars, commercial vehicles, and logistics vehicles to meet the differentiated needs of various scenarios.
Frequently Asked Questions (FAQ) about DC Rapid Charger
1. What are the core classifications of a rapid charger? What are the differences?
A: Charging piles are mainly divided into three categories: AC slow charging piles, DC fast charging chargers (DC charging piles), and mobile energy storage charging piles.The core differences lie in charging efficiency, grid requirements, and scenario adaptability:
- AC slow chargers have low power (3.3KW-22KW), charge slowly, require 220V household electricity, and are suitable for home/community use.
- DC rapid chargers have high power (30KW-480KW), charge quickly, require 380V industrial electricity, are core equipment in 120KW charging stations, and are suitable for public scenarios.
- Mobile DC fast chargers do not require a grid, are mobile, suitable for emergency and remote scenarios, and supplement fixed charging piles.
2. What is the core difference between a DC rapid charger and an AC charger?
A: The core difference lies in the energy conversion mechanism and power efficiency. DC rapid chargers (DC charging stations) have a built-in rectifier module, directly outputting DC power, starting at 30KW, charging to 80% in 30 minutes. They require 380V industrial power, are more expensive, and are suitable for public fast charging scenarios. AC chargers output AC power, relying on onboard chargers for conversion, with power ranging from 3.5KW to 21KW, requiring 6-10 hours to fully charge. They can be installed in 220V household homes, are less expensive, and are suitable for home slow charging.
3. What are the basic requirements for building a 120KW charging station?
A: A 380V three-phase four-wire industrial power supply is required, with a grid capacity ≥160KVA (for a single 120KW unit); a site area ≥10㎡/unit (including charging parking space); good grounding (grounding resistance ≤4Ω); outdoor stations require rainproofing, lightning protection, and hardened foundation treatment.
4. Will DC rapid chargers damage electric vehicle batteries?
A: Proper use will not damage the battery. DC fast chargers use a BMS (Battery Management System) to intelligently regulate charging parameters, avoiding excessive current surges. The battery itself has a fast-charging protection mechanism that automatically reduces power after reaching 80% charge. It is recommended to primarily use slow charging daily, and use fast charging only in emergencies. Avoiding prolonged high-frequency full charging can extend battery life.
Choose A Professional DC Rapid Charger Manufacturer
DC fast chargers are a key infrastructure in the new energy vehicle industry, and market demand continues to explode. 120kW charging stations, with their balanced performance and cost, have become the mainstream configuration for the present and the next 3-5 years. For charging station operators and corporate purchasers, the core of equipment selection is not only looking at parameters and price, but also focusing on the manufacturer’s technical strength, quality control, and service capabilities—this directly determines the long-term operational efficiency, stability, and return on investment of the station. If you are interested in DC fast chargers, please contact us. We will provide you with 1-on-1 customized services.
