Basic Information
Application
Solar System Controller, Charger Controller
System Voltage
12V/24V Auto Detection
Max Charge Current
40A / 60A
Display
LED and Optional LCD
Charging Type
3-Stage Charging
Parallel Connection
Supported
Product Features
The 12V/24V 40A and 60A MPPT solar charge controller is designed to optimize energy transformation and provide superior charging performance for solar power systems.
1
High Efficiency: Converting efficiency higher than 97% for minimizing energy loss.
2
MPPT Tracker: Build-in tracker for optimizing power transformation.
3
Safety Protection: Reversed current protection preventing equipment damage.
4
Temp Compensation: Automatic battery temperature compensation for long term reliability.
5
Multi-Stage Charging: Three stage control system (bulk, absorption, and float mode).
6
Real-time Display: LED indicators display charge status in real time.
Application Scenarios
SL solar charge controller is mainly used for solar power stations, home solar power systems, solar street light control systems, mobile solar power units, and DC wind-solar generating systems.
Product Photos
Technical Parameters
| Model |
SL-40A/60A |
SL-40A-48 |
| Rated Voltage | 12/24V DC Auto-detection | 48V DC |
| Rated Charge Current | 40Amp / 60Amp | 40Amp |
| Load Current | 15 Amp | 10 Amp |
| Input Voltage Range | 15-55V DC | 58-110V DC |
| Max. PV Open Circuit Voltage | 55V DC | 110V DC |
| Typical Idle Consumption | At idle < 10mA |
| Bulk Charge (Default) | 14.6V / 29.2V DC | 58.4V DC |
| Floating Charge (Default) | 13.4V / 26.8V DC | 53.6V DC |
| Temperature Compensation | -13.2mV/ºC (12V) | -52.8mV/ºC |
| Protection Class | IP21 |
| Cooling Method | Natural Cooling |
| Dimensions (mm) | 205×141×66 / 82 | 205×141×66 |
Frequently Asked Questions
Does this controller support automatic voltage detection?
Yes, the SL-40A/60A models support 12V and 24V DC system auto-detection, making it versatile for different battery setups.
What is the conversion efficiency of this MPPT controller?
This controller features a built-in MPPT tracker with a high conversion efficiency of over 97%, significantly reducing energy loss compared to traditional PWM controllers.
Can I use this controller with different battery types?
Absolutely. The controller is capable of selecting different charging modes suitable for various battery types, including Lead-Acid and NiCad batteries with adjustable settings.
What safety protections are included?
The unit includes reversed current protection, overload protection for DC loads, over-charge/over-discharge disconnection, and automatic temperature compensation for enhanced reliability.
Does it support parallel connection?
Yes, the device is designed to support parallel connections, allowing for system expansion if your solar power requirements increase.
How is the controller cooled?
The controller utilizes a natural cooling system, which ensures silent operation and reduces the risk of mechanical fan failure.