Reliable Off-Grid DC Power for Telecom, Starlink, WISP & Remote Communication Systems
Designed for Critical Remote Infrastructure
Descriptions:
The JOYVOIT JV1290TT is a telecom-grade hybrid DC solar power cabinet designed for remote communication infrastructure where stable operation and low maintenance are critical.
Unlike residential solar systems, the JV1290TT is engineered specifically for continuous operation of telecom and wireless equipment in harsh outdoor environments.
Typical applications include:
- Telecom BTS stations
- Starlink remote internet systems
- Wireless ISP (WISP) networks
- Microwave relay systems
- Surveillance infrastructure
- Remote industrial monitoring
- Smart infrastructure & IoT systems
- Rural connectivity projects
- Mining and energy communication sites
The system combines solar charging, lithium battery storage, DC power distribution, surge protection, and communication power outputs into one integrated outdoor cabinet.
⚡ Key Features
- Hybrid Solar + Utility Power Input
- Direct DC Power Architecture
- No Inverter Required for Telecom Loads
- Integrated LiFePO4 Battery Storage
- MPPT Solar Charging
- IP65 Outdoor Cabinet
- Multiple DC & PoE Outputs
- Dedicated Starlink DC Power Output
- Temperature-Controlled Cooling System
- Surge Protection & Industrial Breakers
- Plug & Play Deployment
- Factory Pre-Wired & Tested
- Remote Monitoring Optional
- Supports Future Expansion
✅Why Direct DC Architecture Matters
Most telecom and wireless communication equipment internally operates on DC power.
Traditional solar systems often use unnecessary power conversion:
DC → AC → DC
This increases:
- energy loss
- cabinet temperature
- maintenance requirements
- inverter failure risk
The JOYVOIT JV1290TT uses a direct DC power architecture designed specifically for communication infrastructure.
Benefits include:
- Higher overall efficiency
- Lower internal cabinet heat
- Reduced power conversion loss
- Improved long-term reliability
- Simplified maintenance
- Stable DC power delivery for telecom equipment
The system directly provides stable DC outputs for:
- Starlink systems
- PoE radios
- Wireless bridges
- MikroTik routers
- Industrial routers
- CCTV infrastructure
- Telecom communication devices
🌞Designed for Unstable Grid & Off-Grid Areas
Remote communication sites often operate in areas with:
- unstable utility power
- diesel dependency
- high ambient temperature
- difficult maintenance access
The JV1290TT supports both solar and utility power input.
During daytime operation, solar energy is prioritized automatically.
When solar generation becomes insufficient or battery voltage reaches the configured threshold, the system automatically switches to utility or generator backup power.
The switching logic is designed to maintain stable operation for connected communication equipment.
⚡Industrial Outdoor Cabinet Design
The JV1290TT is designed for long-term outdoor deployment in demanding environments including Africa, the Middle East, Southeast Asia, LATAM, and mining regions.
Cabinet features include:
- IP65 waterproof enclosure
- Outdoor powder-coated steel cabinet
- Industrial ventilation design
- Temperature-controlled cooling fans
- Optimized airflow structure
- Reduced internal heat generation through DC architecture
The cabinet supports:
- Pole-mounted installation
- Ground-mounted installation
- Remote unattended deployment
Electrical Inputs & Outputs
Power Inputs
| Input Type | Specification | Description |
|---|---|---|
| Solar Input | Max 150VDC / 1560W | MC4 solar input |
| Utility Input | 220VAC, 50Hz/60Hz | Grid or generator backup |
DC & Communication Outputs
| Output Type | Voltage | Qty | Max Power | Typical Use |
|---|---|---|---|---|
| DC Output | 48VDC | 1 | 4.5A | MikroTik router, passive PoE switch |
| PoE Hub | 12V / 24V / 48V | 4 | 1A each | Passive PoE devices |
| Active PoE Output | 54V PoE | 4 | 30W each | WiFi radios & wireless devices |
| Starlink Output | 57VDC | 1 | 240W | Starlink Gen3 |
Supported communication equipment includes:
- Starlink
- MikroTik
- Ubiquiti
- Cambium
- RADWIN
- Mimosa
- TP-Link industrial devices
Integrated LiFePO4 Battery Storage
The JV1290TT integrates high-cycle LiFePO4 battery storage designed for telecom backup applications.
Standard battery configuration:
| Parameter | Specification |
|---|---|
| Battery Type | LiFePO4 |
| Battery Quantity | 2 Units |
| Battery Voltage | 25.6V |
| Battery Capacity | 150Ah each |
| Total Storage | 7.68kWh |
| BMS | Integrated Smart BMS |
| Cycle Life | 6000+ cycles |
Advantages of LiFePO4 technology:
- Longer service life
- Improved thermal stability
- Low maintenance
- High charge/discharge efficiency
- Suitable for high-temperature environments
🔋MPPT Solar Charging System
The system integrates an industrial MPPT solar charge controller optimized for off-grid telecom infrastructure.
Features include:
- Intelligent battery charging
- Optimized solar harvesting
- Battery protection logic
- Stable DC charging performance
- High charging efficiency
- Self-cooling thermal design
The MPPT controller helps maximize solar utilization while protecting battery lifespan.
Industrial Protection Design
Remote communication infrastructure is highly vulnerable to lightning and electrical surges.
The JV1290TT integrates multiple protection layers including:
- PV surge protection (SPD)
- AC input protection
- DC output protection
- Communication equipment protection
- Industrial DC breakers
- Short-circuit protection
- Over-current protection
The protection architecture is designed to improve long-term system survivability in outdoor environments.
🎯 Typical Applications
Telecom Towers & BTS
Reliable DC power for:
- telecom BTS stations
- microwave relay systems
- rural telecom infrastructure
- wireless backhaul systems
Starlink Remote Internet Systems
Ideal for:
- rural internet projects
- remote communities
- temporary communication sites
- off-grid connectivity systems
Wireless ISP Infrastructure
Compatible with:
- MikroTik
- Ubiquiti
- Cambium
- RADWIN
- Mimosa
- industrial wireless systems
Surveillance & Smart Infrastructure
Suitable for:
- PoE security cameras
- smart poles
- traffic monitoring
- environmental monitoring
- IoT communication systems
Mining & Industrial Communication
Reliable power for:
- mining communication sites
- oil & gas monitoring
- industrial remote facilities
- pipeline monitoring systems
Technical Specifications
| Parameter | Specification |
|---|---|
| Solar Power | 1290W |
| Solar Panels | 3 × 430W |
| Battery Storage | 7.68kWh |
| Battery Chemistry | LiFePO4 |
| MPPT Controller | Industrial MPPT |
| Cabinet Protection | IP65 |
| Cooling Method | Temperature-controlled fans |
| Installation Method | Pole / Ground Mount |
| Operating Temperature | -20°C to +60°C |
| Cabinet Material | Powder-coated steel |
| Communication Outputs | 48VDC / 54V PoE / 57VDC |
| Protection Features | SPD / MCB / DC Protection |
| Net Weight | 134.1kg |
| Cabinet Size | 670 × 368 × 1281mm |
Typical Daily Load Example
| Equipment | Power/each | Estimated Daily Consumption(24hrs) |
|---|---|---|
| Starlink System | 75W * 1 unit (w/o adaptor) | 1.8kWh |
| RADWIN Radios | 30W * 4 units | 2.88kWh |
| WiFi Equipment | 15W * 3 units | 1.08kWh |
| Routing & Switching | 10W * 1 units | 0.24kWh |
| Cooling Fans | 5W * 2 units | 0.12kWh |
| System Losses | 0.36kWh | 0.36kWh |
| Total Estimated Load | ~6.48kWh/day | ~6.48kWh/day |
🔧Engineering Advantages for EPC Contractors
Faster Deployment
- Pre-wired cabinet architecture
- Simplified installation
- Reduced field wiring
- Factory-tested before shipment
- Plug & play deployment
Lower Maintenance
- Reduced thermal stress
- Lower conversion losses
- Simplified troubleshooting
- Stable DC infrastructure
Flexible Expansion
Supports future upgrades including:
- additional battery capacity
- expanded solar input
- Starlink integration
- remote monitoring systems
- wireless network expansion
⭐Optional Remote Monitoring
Optional remote monitoring functions include:
- Battery voltage monitoring
- Solar charging status
- Load monitoring
- Cabinet temperature monitoring
- Utility power status
- Alarm notifications
- Remote diagnostics
Optional communication interfaces:
- RS485
- Ethernet
- Modbus
✅Why Infrastructure Operators Choose JOYVOIT
JOYVOIT focuses on remote infrastructure power systems for telecom, wireless communication, and industrial applications.
Our systems are designed for:
- telecom EPC contractors
- wireless infrastructure integrators
- rural internet providers
- industrial monitoring projects
- smart infrastructure deployment
Advantages include:
- telecom-oriented DC design
- reliable outdoor operation
- simplified deployment
- lower maintenance requirements
- project customization support
Customization Options
JOYVOIT can customize the JV1290TT based on project requirements including:
- battery capacity
- solar capacity
- cabinet dimensions
- PoE configuration
- DC output configuration
- monitoring systems
- communication interfaces
Project Design Support
To receive a customized solution proposal, please provide:
- Total equipment load (W)
- Required backup time
- Installation location
- Communication equipment list
- Solar panel installation conditions
Our engineering team can provide:
- solar sizing
- battery calculation
- system recommendation
- wiring suggestion
- project proposal
💡Frequently Asked Questions
Can the system work with Starlink?
Yes. The JV1290TT supports Starlink Gen2 and Gen3 systems using dedicated DC power output.
Why use DC power instead of an inverter?
Most communication equipment internally operates on DC power. Direct DC architecture reduces unnecessary conversion losses and improves overall system efficiency.
Can the system support utility or generator backup?
Yes. The system supports hybrid operation with solar, utility power, or generator input.
Is the cabinet suitable for high-temperature regions?
Yes. The system is designed for harsh outdoor environments including Africa, mining sites, desert regions, and remote industrial locations.
Can the system be customized?
Yes. JOYVOIT supports customization for telecom, wireless ISP, surveillance, and industrial communication projects.
🔥JOYVOIT
Remote Infrastructure Power Solution Provider
Specialized in:
- Telecom power systems
- Starlink solar systems
- Remote monitoring power
- Security & surveillance power
- Smart infrastructure power
- Industrial remote energy systems
- Rural electrification solutions

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Customer feedback on our solar products
M***f
Jan 5, 2023
I have pleasant experience buying from Shenzhen Suns. They shipped quickly, and very responsive and provided accurate updates. Shipment to Malaysia reaches in just a few weeks with a door to door delivery. Equipment work great, as can be seen from the photos, in the midst of installation and already in operation. The sales representative (Amy) has provided good knowledge and helpful to guide me to make the purchase correctly. Thank you Amy and thank you Shenzhen Suns and this company is highly recommended!
M***k
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very impressed with of the company Suns Energy, professional communication and they really went the extra mile. The product looks professional and transport and packaging was very good. happy customer and will definitely do business again
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