NJ-fm007D 4G IoT Solar Controller | PWM Charge Controller with Remote Monitoring | Solar Charge Controller with 4G Connectivity | NJ-fm007D – IP67, 10A PWM, Cloud Platform | IoT Solar Power Controller | NJ-fm007D – Remote Control, Data Logging, Battery Li
Key Features:
4G Cat.1 Communication: Built-in 4G module with SIM support for reliable remote connectivity.
Efficient PWM Charging: High-efficiency series PWM charging suitable for liquid, AGM, gel, and lithium batteries.
10A Charge/Discharge Capacity: Supports most outdoor power supply applications.
Multiple Control Functions:
5-stage timer control strategy
Infrared control
Light control
Rain control (with optional sensor)
Automatic Pest Disposal: Supports timing insect dumping with 2 independent configurable time periods.
Remote Monitoring & Control:
Real-time voltage, current, and power monitoring
Remote on/off control
Load power adjustment
Historical data and curve viewing
Battery Management:
Battery cycle count statistics
Battery life prediction
Overcharge, over-discharge, overload protection
Reverse polarity protection
DTU Functionality:reservation RS485 interface for data transmission.
Offline Operation: Continues normal operation even when 4G service is unavailable.
Fault Management:
Active fault reporting
Priority fault transmission
Overvoltage protection with configurable auto-shutdown
Industrial-Grade Durability: Rugged aluminum alloy housing; IP67 waterproof rating.
Wide Operating Temperature: -35°C to +65°C.
GIS Positioning: Base station auto-positioning and manual positioning with map display.
Technical Specifications:
| Parameter | Specification |
| Battery Voltage | 12V/24V (auto-detect) |
| Max Voltage | 40V |
| Max Current | 10A |
| Battery Types | Lithium/Lead-Acid (selectable) |
| Overcharge Voltage | 11-32V (adjustable) |
| Overcharge Recovery | 9.5-31.8V (adjustable) |
| Over-discharge Voltage | 8-30V (adjustable) |
| Solar Panel Max Voltage | 50V |
| Max Power | 120W(12V) / 240W(24V) |
| Light Control Voltage | 3-20V (adjustable) |
| Light Control Delay | 0-30min (adjustable) |
| Communication | 4G Cat.1 (MQTT protocol) |
| Operating Temperature | -35°C to +65°C |
| Protection Class | IP67 |
| Dimensions | 88 × 60 × 21 mm |
| Weight | 180g |
| Protections | Reverse polarity, load overcurrent, solar backflow prevention |
Indicator Light Status:
| LED | State | Indication |
| Red (Battery) | Solid on | High battery |
| Solid off | Overvoltage protection | |
| Fast flash | Low voltage protection | |
| Slow flash | Low battery | |
| Blue (Solar) | Solid on | Not charging |
| Flashing | Charging | |
| Yellow (Load) | Solid on | On, output power 0 |
| Solid off | On, output power>0 | |
| Fast flash | Overcurrent protection | |
| Flashing | Overtemperature protection | |
| Green (Comm) | Slow flash | Not connected |
| Fast flash | Connected |
Software Features:
B/S Architecture: Supports PC web, WeChat mini-program, and mobile app.
Remote Monitoring: Real-time status monitoring with map display and fault localization.
Remote Management: Batch control of individual devices, circuits, or entire regions.
Data Visualization: Voltage, current, power curves; historical data analysis.
Time Synchronization: Automatic clock sync with server.
Battery Analytics: Cycle counting, life prediction.
Fault Priority: Automatic fault indication with priority transmission.
Security Monitoring: Database behavior analysis for malicious control detection.
Control Strategies: Light control, timer control, intelligent power control.
Configurable Schedules: 5 load work periods; 2 independent pest disposal periods.
Remote Upgrade: OTA firmware updates; remote device restart.
Applications:
Solar insecticidal lamps
Solar monitoring systems (CCTV)
Small off-grid solar power supplies
Remote sensing stations
Agricultural solar applications
Rural electrification
Solar-powered environmental monitors
Distributed solar asset management
Why Choose NJ-fm007D?
The NJ-fm007D 4G IoT Solar Controller combines efficient PWM charging, comprehensive IoT connectivity, and intelligent battery management into a rugged, IP67-rated package. With features like battery life prediction, automatic fault reporting, and multiple control strategies (light, rain, timer), it provides unprecedented visibility and control over remote solar assets. The platform-agnostic design (WeChat + PC web) and scalable architecture make it ideal for everything from single-device installations to large scale distributed solar networks.
Key words：
4G Solar Controller
IoT Solar Charge Controller
Solar PWM Controller with 4G
Solar Insecticidal Lamp Controller
Remote Solar Monitoring
Solar Battery Controller
4G Cat.1 Solar Regulator
Solar Power Management System
Off-Grid Solar Controller
Smart Solar Controller with Cloud
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