Guardian Relay – Off-Grid Solar Power Kit for Starlink & Wireless Networks
Model: JV430CT
Descriptions:
Guardian Relay JV430CT is a critical solar power system by JOYVOIT, designed for Starlink terminals, wireless relay stations, and off-grid communication networks that require continuous, reliable DC power.
As part of the JOYVOIT Guardian Critical Solar Power Series, this system is engineered for mission-critical, always-on applications where grid power is unavailable or unreliable.

Off-Grid Solar Power Kit for Starlink & Wireless Networks
✅What Is Guardian Relay
Guardian Relay is a DC-based off-grid solar power kit optimized for low-to-medium communication loads. It is purpose-built for infrastructure equipment that must remain online 24/7, even in remote or harsh environments.
By eliminating unnecessary AC conversion, Guardian Relay reduces system complexity, improves efficiency, and significantly increases long-term reliability.
Typical deployments include:
- Remote Starlink communication sites
- Wireless relay and repeater stations
- Temporary or mobile network deployments
- Off-grid IoT and monitoring gateways
Why Guardian Relay Is a Critical Solar Power System
Unlike standard solar kits designed for residential or intermittent use, Guardian Relay follows critical power design principles:
- Continuous-duty operation
- Stable and regulated DC power output
- Reduced failure points (no inverter)
- Long service life with lithium energy storage
This makes Guardian Relay suitable for communication infrastructure where downtime is unacceptable.
Why DC Solar Power for Starlink & Wireless Networks
Starlink terminals and network equipment are inherently DC-powered devices. Guardian Relay adopts a pure DC architecture to match this requirement directly.
Key advantages of DC solar power:
- No inverter required
- Higher overall system efficiency
- Lower standby and conversion losses
- Improved reliability over long-term operation
- Faster installation and simplified maintenance
For off-grid communication systems, DC solar power is both technically and economically superior.
🌞 Typical Applications
Guardian Relay is commonly used in the following scenarios:
- Starlink terminals (standard and mini)
- Wireless relay stations and repeaters
- PoE-powered network devices
- Remote communication nodes
- Emergency or temporary communication systems
It is ideal for sites requiring stable power with moderate runtime autonomy.
⭐System Configuration (Typical)
The configuration below represents a standard Guardian Relay system. Final specifications may be adjusted based on project location, solar conditions, and runtime requirements.
Solar power system for WIFI Relay
Solar Panels
- Monocrystalline solar panels
- Total rated power: 430W (configurable)
- Suitable for pole, ground, or rooftop installation
Battery Storage
- Battery type: LiFePO₄ (Lithium Iron Phosphate)
- Nominal voltage: 25.6V
- Capacity: 100Ah (2.56kWh)
- Integrated BMS with over-charge, over-discharge, and temperature protection
Solar Charge Controller
- MPPT solar charge controller
- 24V system architecture
- Optimized for variable solar conditions
DC-DC & PoE Power Unit
- DC input range: 18–36V
- Output voltage: 48–54V DC
- PoE standards: IEEE 802.3af / at / bt
- Maximum PoE output power: up to 90W
Enclosure & Protection
- Outdoor metal enclosure
- Protection level: IP65
- Pole mount or wall mount installation
- System configuration can be customized to meet specific environmental and operational requirements.
Design Assumptions
Guardian Relay is designed based on the following typical operating conditions:
- Average load: ~60W continuous
- Target autonomy: ~12 hours
- Outdoor, unattended installation
- Priority on system stability rather than peak power
These assumptions ensure predictable and reliable performance for communication infrastructure.
Application Limitations
Guardian Relay is not designed for:
- Household AC appliances
- High inrush or motor-driven loads
- Residential mixed-load power systems
For higher loads or extended autonomy requirements, please refer to Guardian Core or Guardian Pro systems.
Expansion & Customization Options
Guardian Relay can be adapted to different project needs:
- Battery capacity expansion for longer runtime
- Increased solar panel capacity for low-irradiation regions
- Alternative DC or PoE output configurations
- Integration with monitoring or remote communication modules
JOYVOIT’s engineering team can tailor the system for specific applications.
Reliability & Quality Focus
- Industrial-grade components selected for long service life
- Designed for continuous operation in outdoor environments
- Factory-tested before delivery
- Proven performance in remote and harsh conditions
Guardian Relay is built to support critical communication systems with confidence.
Part of the Guardian Critical Solar Power Series
Guardian Relay belongs to the JOYVOIT Guardian Series, covering a wide range of critical solar power solutions
- Guardian Mini – ultra-low power systems
- Guardian Relay – communication and network nodes
- Guardian Core / Core+ – surveillance and 24/7 systems
- Guardian Pro – marine and industrial applications
Frequently Asked Questions
Can Guardian Relay power Starlink continuously?
Yes. When properly sized for location and load, Guardian Relay is designed for stable, continuous Starlink operation.
Can battery or solar capacity be expanded?
Yes. Both battery storage and solar input can be customized.
Is this system suitable for harsh environments?
Yes. The system uses outdoor-rated components and an IP65 enclosure for reliable operation.
Guardian Relay is a professional critical solar power solution by JOYVOIT, purpose-built for off-grid communication systems where reliability truly matters.

Accelerate Your Off-Grid Infrastructure Deployment
Partner with Joyvoit for your next critical power project. From rigid pre-shipment simulations to rapid 24-48h technical bidding proposals, we keep your telecom, mining, and remote surveillance networks running under any climatic extremes.




