From Passive Infrastructure to Active Energy Assets: The V2G & V2H Revolution
As the global energy landscape transitions toward renewables, Bi-Directional EV charging technology has emerged as the cornerstone of "Battery on Wheels" strategies. No longer just a method to replenish vehicle range, modern bidirectional chargers facilitate two-way energy flow: Vehicle-to-Grid (V2G), Vehicle-to-Home (V2H), and Vehicle-to-Building (V2B).
Global enterprises are increasingly seeking manufacturers who can provide not just hardware, but integrated ecosystems. The trend is shifting toward High-Frequency Power Conversion and Gallium Nitride (GaN) components to maximize efficiency. At Tongxing, our R&D focuses on the ISO 15118-20 standard, ensuring seamless "Plug & Charge" and advanced bidirectional power dispatching capabilities.
Market data suggests that by 2030, bi-directional capability will be a standard requirement for 70% of commercial fleets. This shift is driven by the potential for Energy Arbitrage—charging when electricity rates are low and discharging back to the grid during peak demand—effectively turning an EV fleet into a Virtual Power Plant (VPP).
Utilizing EV batteries to balance grid frequency and voltage fluctuations, reducing reliance on peaking power plants.
V2H technology provides emergency backup power for homes during outages, using the EV as a 50-100kWh power reservoir.
Fleet operators can reduce Total Cost of Ownership (TCO) by up to 25% through smart discharge revenue programs.
A National High-Tech Enterprise Pioneering Smart Charging Solutions
As a certified national high-tech enterprise with 23 years of expertise in the energy sector, Tongxing specializes in R&D, production, and global distribution of innovative EV charging systems. Our comprehensive product portfolio spans from 3.5KW residential chargers to industrial-grade 960KW ultra-fast charging stations, complemented by integrated photovoltaic (PV) and energy storage solutions.
m² Production Base
Staff Experts
Countries Reached
18 automated assembly lines and IoT-enabled quality control systems, achieving 95% production automation rate.
Mastery of circuit topology optimization, OCPP 1.6J/2.0 protocols, and thermal management systems.
40-member ISO-9001 audit team ensuring 98.6% field reliability rate across all installations.
12 utility model patents and 78% reduction in standby power consumption (2021-2023).
Integrating Photovoltaics, Storage, and Bi-Directional Charging
Reduce peak-hour grid dependence. Priority use of PV/Storage power for production, eligible for ISO 14064 carbon ratings.
Make every home an energy center. 5-15kWh storage units working with Bi-directional chargers for 100% self-sufficiency.
Containerized deployment for remote sites, mining areas, and campsites without stable grid infrastructure.
| Indicator | Traditional Solution | Tongxing Integrated Solution | Improvement |
|---|---|---|---|
| PV Self-Consumption Rate | 50% | 85%+ | ↑ 70% |
| Comprehensive Electricity Cost | 0.85 USD/kWh | 0.62 USD/kWh | ↓ 27% |
| Response Time (V2G) | ≤ 50ms | ≤ 10ms | Advanced Grid Support |
| Cycle Life (@80% DOD) | 3,000 Cycles | 6,000+ Cycles | Extended Battery ROI |
Ensuring Compliance, Reliability, and Seamless Integration for International Buyers
Our products adhere to IEC 61851, ISO 15118, CE-LVD, and UL standards. We handle the complex regulatory landscape of the EU, APAC, and North American markets.
Support for 12+ languages on HMI, multiple payment gateway integrations (Nayax, Stripe), and regional grid code compatibility (G98/G99, etc.).
Custom branding services for utility companies and infrastructure developers. Custom casing, UI/UX, and firmware branding available.
24-month warranty with lifetime remote technical support. Regional service centers in 15+ countries for rapid hardware replacement.
Leading the Next Decade of Energy Electronics
Implementing Silicon Carbide (SiC) power modules across all bi-directional chargers to reach 98% efficiency and reduce thermal dissipation by 30%.
Launch of "Tongxing Energy AI 2.0," predicting local weather patterns and user behavior to optimize V2G discharge timings automatically.
Pioneering resonant inductive bidirectional charging for automated parking hubs, eliminating the need for physical cables.
Expert Insights into Bidirectional Charging Technology
V2G (Vehicle-to-Grid) returns power to the public utility. V2H (Vehicle-to-Home) powers a residence during outages or for peak-shaving. V2X (Vehicle-to-Everything) is the umbrella term for any bidirectional energy flow from an EV to an external load.
Modern bidirectional chargers use sophisticated Battery Management System (BMS) integration via ISO 15118. By managing Depth of Discharge (DoD) and keeping it within optimal cycles (e.g., between 40-80%), the impact on battery longevity is negligible compared to the financial benefits of energy arbitrage.
Our chargers support all major protocols including CCS1, CCS2, CHAdeMO, and GB/T. Our bidirectional units are specifically tested with V2G-ready models from Tesla, BYD, Nissan, and Volkswagen.
Standard units typically ship within 2-4 weeks. Large-scale infrastructure projects involving custom energy storage integration have a lead time of 8-12 weeks depending on customization requirements.
Tongxing
