SRNE MPPT Solar Controller 40A High Efficiency PowerCatcher MPPT For Off-Grid Systems
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PowerCatcher MPPT for unparalleled efficiency The controller uses PowerCatcher MPPT technology to continuously track the maximum power point of your solar panels. With an MPPT tracking efficiency up to 99.9% and a digital power platform that pushes overall energy conversion to about 98%, you’ll extract more usable energy from every sun hour. In real-world terms, this means 15%–20% higher charging efficiency compared to traditional PWM controllers, especially in partially shaded or dynamic environments.
Broad battery compatibility with smart protection This 40A regulator supports a wide range of chemistries, including lithium batteries, gel, sealed (AGM), and vented lead-acid. It automatically identifies lead-acid battery voltage and adapts its behavior to protect the pack. An automatic charging voltage regulation function ensures the output at the battery terminal stays within the rated charging voltage during open-circuit conditions or when a lithium battery BMS signals overcharge protection. This translates to safer starts, steadier voltage, and extended battery life.
Smart charging you can trust A built-in limited current charging mode prevents overdrive: when solar power is abundant and the charging current would exceed the rated limit, the controller automatically scales back input to keep charging current within safe, optimized levels. Temperature compensation further enhances longevity by adjusting charging and discharging parameters based on ambient temperature, so batteries endure harsh nights and seasonal swings without premature wear.
Flexible data monitoring and configuration Connect the controller to an LCD screen or a Bluetooth module to monitor real-time data and tweak parameters. You’ll see voltage, current, panel temperature estimates, battery state, and charging history at a glance, then tailor settings to fit your system’s needs—without guesswork. This balance of visibility and control helps you maximize performance while protecting your battery bank.
Practical use cases for real-world reliability Whether you’re powering a remote cabin, an RV, a boat, or a security/monitoring system off the grid, the MPPT Solar Controller 40A delivers dependable energy management. It’s ideal for mid-to-large solar arrays where efficient charge control matters most, delivering calm reliability for critical loads and lifestyle applications alike.
Why SRNE stands out SRNE combines robust MPPT algorithms with advanced digital power technology to deliver dependable, high-performance solar regulation. The result is predictable charging behavior, better energy yields, and longer-lived batteries, backed by a brand trusted by professionals in the solar industry.
Smart, durable, and ready for your solar ambition From installer to DIY enthusiast, this 40A controller is designed for straightforward setup, adaptable configurations, and long service life in demanding environments. Pair with compatible panels, your preferred battery chemistry, and an optional LCD/Bluetooth module to unlock precise control and maximum energy harvest day after day.
|
Parameter |
Value |
|
Model |
ML2440 |
|
System voltage |
12V/24VAuto |
|
No-load loss |
0.7 W to 1.2W |
|
Battery voltage |
9V to 35V |
|
Max. solar input voltage |
100V(25℃) 90V(-25℃) |
|
Max. power point voltage range |
Battery Voltage+2V to 75V |
|
Rated charging current |
40A |
|
Rated load current |
20A |
|
Max. capacitive load capacity |
10000uF |
|
Max. photovoltaic systerm input power |
520W/12V 1040W/24V |
|
Conversion efficiency |
≤98% |
|
MPPT tracking efficiency |
＞99% |
|
Temperature compensation factor |
-3mv/℃/2V（default） |
|
Operating temperature |
-35℃ to +45℃ |
|
Protection degree |
IP32 |
|
Weight |
2Kg |
|
Communication method |
RS232 |
|
Altitude |
≤ 3000m |
|
Product dimensions |
238*173*72.5mm |