Reliable Cellular Connectivity for Modern Energy Storage Systems

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Background

As renewable energy continues to scale rapidly, energy storage systems are increasingly used for peak shaving, backup power, and grid balancing. From residential to large-scale commercial deployments, stable and real-time connectivity has never become so essential. In locations without wired networks and with strict requirements for reliability, security, and remote management, industrial-grade cellular routers provide the foundation for secure and scalable energy storage operations.

Challenges

Limited network availability at distributed sites

Energy storage systems are often deployed across geographically dispersed locations with poor network conditions. In remote or hard-to-access areas, the lack of wired infrastructure makes reliable connectivity challenging

High data security requirements

As critical infrastructure, communication between energy storage systems and field devices must meet strict security standards to ensure data protection and system integrity

Multiple subsystems and complex protocols

Energy storage sites may integrate devices using different communication protocols, such as Modbus-based actuators and meters, as well as Bluetooth or Zigbee sensors

High demands for stability and remote maintenance

Energy storage stations typically operate 24/7 without on-site personnel, requiring long-term system stability and robust support for remote monitoring and maintenance

Topology

Remote operations and maintenance of energy storage systems with cellular gateway Collie (GL-X300B)

Solution

Energy storage sites require a reliable and stable cellular device to deliver secure network connectivity and enable remote operation and maintenance. The GL.iNet Collie (GL-X300B) is purpose-built to meet these demands. As an industrial-grade cellular router, it combines robust hardware design with powerful and flexible software capabilities, enabling energy storage operators to overcome the connectivity, security, and management challenges found in diverse deployment environments.

Support for Multiple Communication Protocols
  • Integrated RS485 Interface:The Collie (GL-X300B) provides an integrated RS485 interface for reliable long-distance communication with field devices, supporting stable multi-device connections in energy storage environments.
  • Multi-protocol compatibility:Native Modbus support, combined with BLE and Zigbee connectivity, enables seamless integration of diverse devices within energy storage systems and simplifies system expansion.
Reliable Cellular Connectivity
  • Cellular-based Internet Access:The Collie (GL-X300B) features built-in cellular networking, allowing energy storage systems and field devices to connect directly to the internet over cellular links, eliminating dependence on wired infrastructure in remote or deployment-constrained locations.
  • High-speed 4G LTE Performance:Supporting 4G LTE, the Collie (GL-X300B) provides significantly higher data rates than legacy 3G networks, meeting the bandwidth requirements of modern energy storage systems.
VPN-based Data Security
  • Encrypted VPN Data Transmission:The Collie (GL-X300B) secures data exchange between energy storage sites through stable VPN connections, protecting critical system communications from unauthorized access and cyber threats.
  • Simplified VPN Deployment:An intuitive web-based interface streamlines VPN configuration, allowing secure connections to be deployed without complex command-line operations or specialized networking expertise.
Centralized Management via GoodCloud Platform
  • Native GoodCloud Support:As a GL.iNet product, the Collie (GL-X300B) natively integrates with GL.iNet's proprietary GoodCloud platform, enabling centralized remote management.
  • Remote Monitoring and Maintenance:Through GoodCloud, operators can remotely manage and monitor on-site networks across multiple locations in real time, significantly improving operational efficiency.
  • OTA Updates:The GoodCloud platform also supports remote OTA firmware upgrades, ensuring devices stay up to date with the latest features and enhancements.
OpenWrt-Based Scalability
  • OpenWrt Pre-installed:The Collie (GL-X300B) runs on OpenWrt, enabling easy integration of third-party applications and plugins to extend functionality across different energy storage deployment scenarios.
  • Support for customizable development:The high flexibility of OpenWrt enables advanced users to develop and customize software features, making the device adaptable to specialized and evolving application requirements.
  • GL.iNet Proprietary UI:GL.iNet offers customizable firmware with a clean and intuitive UI, enabling customers to tailor features while simplifying router configuration for different use cases.

Results

This solution enables energy storage companies to scale their operations and deploy storage sites in a wider range of locations, significantly expanding the coverage of their energy storage projects. With its rich communication protocols and interfaces, stable cellular connectivity, secure data transmission, centralized remote device management, and the high flexibility and scalability of its OpenWrt-based system, the Collie (GL-X300B) provides the essential foundation energy storage operators need to add new sites and confidently expand their projects across regions.