New Car Launched, Sports Sedan 2025 Avatr 06 1.5t Turbocharged Extended Range Electric Vehicle 4-Door 5-Seater Electric Vehicle
View Details →
Integrated Energy Storage System for Power Load Balancing
View Details →
Home Use Fast Charging Low Voltage Intelligent Portable
View Details →
Genuine Quadruple Protection Valve 9347141250 for Heavy Vehicles
View Details →
High-Performance Durable Ecas Solenoid Valve 4728801000 for Heavy-Duty Vehicles
View Details →
Smart Control Panel 2g CPU Lighting Console Ma Smart Home Controller
View Details →
Olink DC EV Charger CCS2 Connector Electric Vehicle CCS2 to Gbt Adapter
View Details →
19 Inch Rack Power Distribution Unit for Efficient Data Center Management
View Details →Dongguan Rama Charger Technology Co., Ltd. is a technology-driven enterprise integrating R&D, design, manufacturing, sales, and service into a seamless operation. We specialize in providing comprehensive system energy solutions for electric vehicle charging and related applications.
With strong independent R&D capabilities in charging controllers, Rama Charger can provide customized core master control boards for charging pile manufacturers. Over the years, we have established collaborations with numerous leading charging pile enterprises domestically and internationally, delivering outstanding ODM results and tailored solutions.
Modern electrical grids rely heavily on real-time transaction processing. A cloud-based billing system enables multi-tenant distribution networks, dynamic tariff shifting, and instant payment gateway authorizations via OCPP 1.6J/2.0.1.
Our headquarters has obtained multiple authoritative certifications, including DEKRA CB, CE, and ISO9001. Recognized as a high-tech enterprise and technology SME, we maintain a robust quality management system and an outstanding AAA credit rating.
Innovation is in our DNA. We have secured 15 software copyrights, multiple invention patents, utility model patents, and design patents, reflecting our commitment to elite engineering and reliable energy metering.
Purchasing enterprise energy systems from a professional Chinese factory like Dongguan Rama Charger Technology provides unparalleled strategic benefits to international grid operators, charge point operators (CPOs), and smart city integrators. The integration of advanced cloud architectures with high-volume electronic manufacturing streamlines project execution globally.
We source structural metals, high-precision microcontroller units (MCUs), current sensors, and software middleware locally. This localized supply ecosystem dramatically reduces logistics overhead and accelerates shipping timelines.
Unlike pure software agencies, our engineers optimize software billing protocols alongside hardware controllers, preventing latency spikes during dynamic grid adjustments and RFID authorizations.
Scale is the key to global growth. Our automated SMT (Surface Mount Technology) assembly lines allow us to maintain highly competitive pricing tiers, translating to massive capital savings for operators.
The global transition to electric mobility demands smarter infrastructure. The era of dumb charging piles is over. Today, grids demand intelligent endpoints that process micro-transactions, monitor current quality, and perform automated billing. Below are the macro trends shaping the sector:
Utility companies are shifting towards time-of-use (TOU) tariffs. Our cloud-based billing system integrates seamlessly with smart meters to adjust charging fees dynamically, protecting grids from peak overloads.
Cross-network roaming relies on standardized protocols. By deploying systems fully compliant with OCPP 1.6J and 2.0.1, we ensure operators can onboard multi-brand hardware on unified cloud architectures.
Our solutions meet stringent data protection acts, securing customer payment gateways, processing encryption over HTTPS/WSS, and offering integrated RFID & QR Code authentication protocols.
High-capacity depots for logistics fleets require rapid scheduling and customized corporate accounts. The billing system enables automated monthly energy consumption invoicing for each fleet truck, optimizing operating expenses.
Shared charging points in modern apartments use tenant sub-metering systems. By authenticating via RFID card or mobile app, the system bills each tenant for their precise kWh consumption, avoiding shared-cost disputes.
Municipal operators deploy DC fast chargers equipped with interactive 7-inch touch screens. Customers pay instantly via dynamic QR Codes, with funds routeing securely to regional merchant bank accounts.
Expert advice on charger compatibility, AC/DC power requirements, connector types (CCS, CHAdeMO, GB/T, etc.), and site-specific solutions.
Recommending optimal chargers (portable, wall-mounted, DC fast chargers) based on commercial, residential, or fleet needs.
Providing checklists and virtual guidance for evaluating installation locations, grid capacity, accessibility, and local regulations.
Detailed pricing, specifications, lead times, and commercial terms (FOB, CIF, DDP).
Assistance with local certifications (CE, UL, KC, GCC) and compliance standards.
Arranging product demonstrations or test units where feasible.
Streamlined purchase order processing, contract finalization, and payment coordination.
End-to-end shipment handling (air, sea, land), customs clearance support, and real-time tracking.
Detailed installation manuals, wiring diagrams, optional on-site technician dispatch, and remote guidance for certified electricians.
Remote or on-site support for initial setup, network configuration, and software activation.
Standard 1–3 years warranty coverage with efficient processing of claims and replacements.
Dedicated hotline and email support for troubleshooting hardware, software, and connectivity issues.
Scheduled preventive maintenance programs and on-demand repair services (labor & spare parts billed separately post-warranty).
Guaranteed access to genuine components, including cables, sockets, and screens.
Priority support for critical failures, including 24/7 availability options.
Virtual or on-site training sessions combined with continuous firmware and OS upgrades to ensure security and compliance.
Customizable master control boards and intelligent charging solutions developed by industry-leading engineers.
Successful partnerships with leading domestic and international charging enterprises across several continents.
Backed by multiple patents, software copyrights, DEKRA CB, CE, and ISO9001 certifications.
From pre-sales consulting to logistics coordination, setup, commissioning, and after-sales warranty management.
Dongguan Rama Charger Technology Co., Ltd. is committed to powering the future of smart energy and electric mobility through innovative, reliable, and customer-oriented solutions.
When global enterprises procure wholesale cloud-based billing components and energy devices, strict engineering specifications must be evaluated. To guide sourcing departments, we summarize the key checkpoints below:
| Parameter Category | Standard Specification | Strategic Focus |
|---|---|---|
| Communication Protocol | OCPP 1.6J / OCPP 2.0.1 WebSocket JSON | Interoperability with cloud hosts |
| Data Encryption | TLS 1.2 / TLS 1.3, SHA-256 Signature verification | Protection of sensitive payment details |
| Metering Accuracy | Class B (1%) active energy metering / MID approved | Legal commercial transaction billing |
| Network Interfaces | 4G LTE / Ethernet RJ45 / Wi-Fi 802.11b/g/n | Ensuring continuous offline/online sync |
Dongguan Rama Charger Technology designs robust industrial hardware that guarantees compliance with these parameters, ensuring system resilience regardless of regional environment constraints.
Yes. Through our professional ODM services, we offer customization of the dashboard, user interface (UI), and mobile application. This allows utility companies and private operators to promote their own brands.
All our controller boards support high-accuracy current/voltage sensors conforming to MID Class B and local legal metrology laws. This prevents billing discrepancies and ensures smooth consumer audits.
Our master control boards feature built-in flash memory cache. They queue transaction records locally and sync them back to the server once the cellular/Ethernet network reconnects, preventing data loss.
Our cloud API utilizes standard RESTful web services, enabling seamless integration with Stripe, PayPal, Adyen, and regional mobile payment systems like Apple Pay and Google Wallet.
3-Phase 160A ETL Certified Power Distribution Unit with 24 C19 Outlets
View Details →
7 Inches Touch Screen V2h Charger Home Level 3 Charger with EV Charging System
View Details →
Zhongchongfu Gbt-CCS2 Adapter High-Speed EV Connection with Compact Build Weatherproof Material and Intuitive Operation Perfect for Amusement Parks
View Details →
Ocpp 1000V Gbt to CCS2 EV Charger Auto Charging Adapter
View Details →
Osdp Qrcode RS485 Long Range 13.56MHz RFID Card for Hotel Door Lock Access Control Reader
View Details →
Grid-Interactive Energy Storage System for Power Balancing
View Details →
Power Solar Cable for High Voltage Electric Wire Photovoltaic Battery Charging New Energy
View Details →
Tw02W Tuya WiFi Touch Panel AC LED Dimmer High Voltage Controller
View Details →