






MPPT Charge Controller 12V/24V/36V/48V/60V/72V
High-Voltage, Multi-Battery MPPT Controller Designed for Demanding Off-Grid Systems
- High-voltage MPPT
- Multi-battery compatibility
- Wide system voltage (12V–72V)
- Advanced protection & reliability
- WIFI+Bluetooth Smart app control (remote monitoring)
- Farm / RV / Off-grid / Industrial-ready
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Smart Solar Control for Reliable Farm, RVs & Off-Grid Power
JJN MPPT Solar Charge Controllers deliver high efficiency, wide voltage flexibility, and industrial-grade reliability for demanding agricultural and off-grid environments.

High-Efficiency MPPT Technology
Advanced MPPT tracking maximizes solar energy harvest in changing weather conditions, improving charging efficiency compared to traditional controllers.

Wide System Voltage Compatibility
Supports 12V to 72V battery systems, allowing one controller to fit a wide range of farm, yard, and off-grid solar applications.

Multi-Battery Support
Compatible with lead-acid and lithium battery technologies, including LiFePO₄, offering flexibility for both existing systems and future upgrades.

Built for Harsh Environments
Designed with comprehensive electronic protection and temperature tolerance for reliable 24/7 operation in agricultural and remote settings.

Smart Load & Remote Monitoring Ready
Integrated load control and communication support enable smarter energy management for irrigation, monitoring, and automated farm equipment.
Choosing the Right MPPT Controller

40A MPPT — Ideal for Small to Medium Systems
Best for:
RVs, small farms or ranches
Livestock tracking and monitoring systems
Lighting, cameras, electronic gates
12V / 24V solar systems
Why choose 40A:
Cost-effective, efficient, and perfectly suited for essential farm loads and entry-level off-grid setups.

60A MPPT — Built for Higher Power Demands
Best for:
Medium to large farms
Irrigation systems and water pumps
Multiple automated feeders and climate devices
24V / 48V and higher-capacity systems
Why choose 60A:
Higher charging capacity supports larger solar arrays and batteries, making it ideal for farms with continuous or expanding energy needs.
Simple Recommendation
If your system powers monitoring and light automation, choose 40A.
If your system runs irrigation, pumps, or multiple farm loads, choose 60A.
Technical Specifications
40A
| System Voltage | 12V/24V/36V/48V/60V/72V |
|---|---|
| Maximum Charging Current | 40A |
| Maximum PV Input Current | 35A |
| Max. PV open circuit voltage | 120VDC |
| MPPT operating voltage point range | (Battery voltage +2) ~ 150VDC |
| Max. PV Input Power | 12V/480W, 72V/2280W |
| Rated Load Current | 20A |
| Quiescent Dissipation | < 60mA/12V |
| Battery Operating Volatge Range | 9-90V |
| Ground Type | Negative |
| Working Temperature Range | -10 - +60°C |
| Function | Constant voltage output setting,lead acid battery charging temperature compensation, temperature protection, overload/short cicuit protection, load pre-start. |
| Protection Level | IP32 |
| Cooling-down Method | Strong Cold Fan |
| Dimensions | 215 x 211 x 93 mm |
| Weight | 2.5kg |
| Certifications | CE, RoHS |
| Warranty | 2-years |
60A
| System Voltage | 12V/24V/36V/48V/60V/72V |
|---|---|
| Maximum Charging Current | 60A |
| Maximum PV Input Current | 50A |
| Max. PV open circuit voltage | 160VDC |
| MPPT operating voltage point range | (Battery voltage +2) ~ 150VDC |
| Max. PV Input Power | 12V/720W, 72V/4320W |
| Rated Load Current | 30A |
| Quiescent Dissipation | < 60mA/12V |
| Battery Operating Volatge Range | 9-90V |
| Ground Type | Negative |
| Working Temperature Range | -10 - +60°C |
| Function | Constant voltage output setting,lead acid battery charging temperature compensation, temperature protection, overload/short cicuit protection, load pre-start. |
| Protection Level | IP32 |
| Cooling-down Method | Strong Cold Fan |
| Dimensions | 258 x 211 x 93 mm |
| Weight | 2.5kg |
| Certifications | CE, RoHS |
| Warranty | 2-years |
FAQs
Is an MPPT controller necessary for farm solar systems?
Yes. MPPT controllers maximize energy harvest from solar panels, which is critical for farms that rely on solar as a primary or backup power source.
Can JJN MPPT controllers work without grid power?
Absolutely. JJN MPPT controllers are designed for off-grid and hybrid systems, making them ideal for remote farms.
Are these controllers compatible with lithium batteries?
Yes. JJN MPPT supports LiFePO₄ and other battery technologies, with adjustable charging parameters for safe and efficient operation.
Is solar power reliable for irrigation systems?
Yes. With proper system sizing and battery storage, solar-powered irrigation can operate consistently while reducing fuel and electricity costs.
How safe is solar compared to diesel generators?
Solar systems eliminate fuel storage, exhaust fumes, and fire hazards associated with diesel generators, significantly improving farm safety.
Will the system work in cold or hot climates?
Yes. JJN MPPT controllers are designed to operate across a wide temperature range, suitable for diverse agricultural environments.
Can the system be expanded later?
Yes. JJN MPPT controllers support scalable solar systems, allowing farms to add panels, batteries, or loads as energy needs grow.
How much maintenance is required?
Very little. Solar controllers have no moving parts and require minimal inspection compared to fuel-based generators.





