SRNE MA2440N15 MPPT Solar Controller
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Description
SRNE MA2440N15 MPPT Solar Charge Controller
The SRNE MA2440N15 is a high-performance MPPT (Maximum Power Point Tracking) solar charge controller designed for 12 V/24 V battery systems. Ideal for campervans, motorhomes, marine, and off-grid applications, it combines efficient solar energy harvesting, advanced protection, and intelligent load management in one compact unit.
With its advanced MPPT technology, the MA2440N15 delivers up to 99% tracking efficiency, ensuring optimal charging performance even in variable sunlight conditions. It supports multiple battery types, including lithium (LiFePO₄), AGM, GEL, and lead-acid, making it versatile for different system setups.
The controller features a high PV input voltage of up to 150 V, allowing for flexible solar array configurations, while the 40A charge and load capacity make it suitable for systems up to 1 kW. It also includes comprehensive protection features and communication ports for system monitoring and integration.
Key Features
MPPT tracking efficiency ≥ 99% for maximum solar harvest
Compatible with 12 V / 24 V systems (auto recognition)
High PV input voltage up to 150 V
40A charge and load capacity
Supports multiple battery types: Lithium, AGM, GEL, Lead-acid
Intelligent multi-mode load control
Comprehensive protection system for safety and reliability
Natural (fan-less) cooling design
Communication support: RS-485, TTL, optional CAN (RV-C)
A word about SRNE - SRNE is a globally established manufacturer specialising in inverters, solar charge controllers, and energy storage solutions for both residential and mobile applications. Widely recognised as one of the world’s leading producers of solar controllers and RV power solutions, SRNE supplies technology to markets across Europe, Asia, and beyond.
Make no mistake — SRNE products are engineered and manufactured to high international standards, combining proven reliability, robust build quality, and smart charging technology to deliver a dependable, high-performance energy solution you can trust.
Specifications
| Specification | Details |
|---|---|
| Model | MA2440N15 |
| System Voltage | 12 V / 24 V (auto recognition) |
| Rated Charging Current | 40 A |
| Rated Load Current | 40 A |
| Maximum PV Open-Circuit Voltage | 150 V DC |
| Maximum PV Input Power | 520 W (12 V) / 1 040 W (24 V) |
| MPPT Tracking Efficiency | ≥ 99% |
| Conversion Efficiency | Up to 98% |
| Quiescent Consumption | ≤ 40 mA |
| Operating Temperature | −35 °C ~ +65 °C |
| Cooling Method | Natural (fan-less) |
| Protection Level | IP32 |
| Battery Types | Sealed, GEL, Flooded, Lithium, User-defined |
| Load Control Modes | Light, Time, Manual, Debug |
| Communication Interface | RS-485, TTL, Optional CAN |
| Protections | PV over-voltage, PV reverse, short-circuit, overload, battery over/under-voltage, reverse polarity, over-temperature |
| Dimensions | 260 × 216 × 83.2 mm |
| Weight | Approx. 2.3 kg |
Return policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.