SNADI CM MPPT Solar Charge Controller
Main Features
- Excellent heat dissipation design and intelligent controlled
- Innovative maximum power point tracking technology, the conversion rate of up to 97%
- Quick scan of the entire I-V curve. Efficient track the maximum power point
- Three types of lead-acid battery, sealed, colloid, open type battery and lithium battery series charging procedures are optional
- With the functions of over charge, over discharge, overload and short circuit automatic protection
- With RS485 communicate interface. It can communicate with multiple and the upper computers, which is convenient to check the operating parameters of the controller
Product Details
Intelligent Cooling
Temperature-controlled fan cooling helps manage heat during charging, supporting steady operation while adjusting fan speed to the controller's needs.
Efficient Solar Charging
MPPT conversion efficiency of up to 97% helps turn available solar power into useful battery charging energy, so more of the energy your panels produce can serve your storage needs.
Fast MPPT Tracking
Fast scanning of the full I-V curve helps the controller find the maximum power point as solar conditions change, keeping your panels working toward effective battery charging.
Flexible Battery Support
Selectable programs for sealed, gel and flooded lead-acid batteries, plus lithium batteries, give you more choice in solar storage while matching the charging approach to the battery type.
Automatic Protection
Automatic protection against overcharge, overdischarge, overload and short circuits helps safeguard the charging system, giving you greater confidence in everyday solar energy use.
RS485 Monitoring
RS485 communication brings controller operating data to a connected computer, making routine checks more convenient for owners and installers who want a clear view of charging performance.
Technical specification
Download| Model | CM-30A | CM-40A | CM-60A | CM-100A | CM-120A | ||
|---|---|---|---|---|---|---|---|
| Charging Mode | MPPT Automatic Maximum Power Point Tracking | ||||||
| Charging Method | Three stages:Constant Current (MPPT), Balanced Charging, Floating Charge | ||||||
| System Type | 12/24/48V | Automatic Identification/Manual Setting | |||||
| System Identification Voltage Range | 12V System | 9~15VDC | |||||
| 24V System | 18~30VDC | ||||||
| 48V System | 36~60VDC | ||||||
| Soft Start Time | 12/24/48V | ≤10s | |||||
| Dynamic Response Recovery Time | 12/24/48V | ≤500us | |||||
| Static Power | 12/24/48V | ≤2W | ≤3W | ||||
| Machine Efficiency | 12/24/48V | ≥96.5% | |||||
| PV Module Utilization | 12/24/48V | ≤99% | ≤99.97% | ||||
| Input Characteristics | MPPT Operating Voltag Range | 12V System | 18~150VDC | 18~200VDC | |||
| 24V System | 34~150VDC | 34~200VDC | |||||
| 48V System | 65~150VDC | 65~200VDC | |||||
| Maximum Solar Panel Input Power | 12V System | 420W | 570W | 900W | 1350W | 1650W | |
| 24V System | 840W | 1130W | 1700W | 2750W | 3300W | ||
| 48V System | 1650W | 2270W | 3400W | 5400W | 6600W | ||
| Output Characteristics | Optional Battery Type(Default is lead-acid maintenance-free battery) | 12/24/48V | Lead-acid maintenance-free Battery,Gel Battery,Lithium Battery (Can also be customized for other types of battery) | ||||
| Current Limiting Protection | 12/24/48V | 32A | 42A | 62A | 102A | 103A | |
| Temperature Accuracy | 12/24/48V | ±0.02%/°C | |||||
| Temperature Compensation | 12/24/48V | 14.2V-(Maximum Temperature -25°C)*0.3 | |||||
| Output Regulation Accuracy | ≤±15% | ||||||
| Protection | Input Low Voltage Protection | Reference Input Characteristics | |||||
| Input High Voltage Protection | Reference Input Characteristics | ||||||
| Short Circuit Protection | After 5 trial starts will enter the protection state,Restart Recovery | ||||||
| Temperature Protection | 90°C | ||||||
| Temperature Rise Protection | Reduce Power Output When Exceed 85°C | ||||||
| Other Parameters | Noise | ≤50dB | |||||
| Heat Dissipation Method | Forced air cooling,fan speed is adjusted by temperature | ||||||
| Class Of Protection | IP21 | ||||||
| Humidity | 0~90%RH(No condensation) | ||||||
| PV Module Configuration | System Battery Voltage | PV module load voltage (Recommended Value) | |||||
| 12V System | 18~120V(36V module*3 string, 42V module*2 string) | 18~200V(36V module*3 string, 42V module*2 string) | |||||
| 24V System | 54~150V(36V module*3 string, 42V module*2 string) | 36~200V(36V module*4 string, 42V module*3 string) | |||||
| 48V System | 72~200V(36V module*4 string, 42V module*3 string) | 65~200V(36V module*5 string, 42V module*4 string) | |||||
Why We Recommend the CM MPPT Solar Charge Controller
The value of a solar array depends on how effectively its power reaches the battery. That is why we recommend the CM: fast I-V curve scanning finds the maximum power point, while MPPT conversion efficiency of up to 97% helps turn available sunlight into useful charging energy. For buyers, this means making better use of the panels already doing the work, with a dedicated controller focused on getting solar power into storage.
CM brings that charging performance together with practical battery care. Selectable lead-acid and lithium charging programs give you flexibility in your storage setup, while intelligent fan cooling and automatic protection help manage the demands of everyday use. RS485 communication makes operating data accessible from a connected computer, adding convenient visibility to the charging process. Choose CM for efficient solar charging, flexible battery options and easier day-to-day oversight.
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Frequently Asked Questions
Which current ratings and battery system voltages does the SNADI CM support?
The CM range includes 30A, 40A, 60A, 100A and 120A models for 12V, 24V and 48V battery systems. Automatic identification and manual setting make the range flexible for different solar charging installations.
Can the CM charge both lead-acid and lithium batteries?
Yes. Selectable charging programs cover sealed, gel and flooded lead-acid batteries, as well as lithium batteries. This gives you flexibility to build around the battery type that suits your solar storage system.
How does MPPT help make better use of my solar panels?
The controller scans the panel I-V curve to find the maximum power point and uses MPPT to convert available solar energy into battery charging power. With conversion efficiency of up to 97%, CM helps you make effective use of the energy your panels generate.
How can I check the controller's operating data?
The RS485 interface supports communication with a connected computer, making controller operating data easier to access for routine checks and charging-system oversight.
What helps protect the charging system during daily use?
Automatic overcharge, overdischarge, overload and short-circuit protection work alongside temperature-controlled fan cooling. The controller also reduces output above 85°C, helping manage thermal stress during operation.