Morningstar SureSine Inverter 12V 300W - SI-300-115V-UL

Morningstar SureSine Inverter 12V 300W - SI-300-115V-UL

The MorningStar SureSine Inverter SI-300-115V-UL is a 300 watt 12 volt inverter and the perfect choice for your RV, small cabin, boat, telecom, health clinic or emergency power system. It packs 300 watts of Pure Sine Wave AC power in a small compact size and offers many advanced features plus quiet operation.

The SureSine 300's combination of performance, features and competitive price provides the best small inverter value on the market..

• 300 Watts of Continuous Power, 600 Watts Peak
• 92% Peak Efficiency
• Low Voltage Warning (buzzer)
• Low Voltage Disconnect
• High Temp Disconnect
• Stand-By Mode
• Quiet Operation, No Internal Cooling Fan
• Remote ON/OFF Option
• Adjustable System Parameters

Features:

Maximum Power Point Tracking (MPPT):

• MPPT technology optimizes the power output from your solar panels by adjusting the input voltage to extract the maximum possible power, especially in less than ideal sunlight conditions.

45 Amp Capacity:

• With a 45 Amp current rating, the TS-MPPT-45 is ideal for larger solar systems or setups with higher energy demands. It can handle a higher amount of solar power, making it suitable for larger homes, businesses, or off-grid projects.

Efficient Charging:

• The controller provides high charging efficiency and helps maximize the solar array's output, improving overall system performance and energy savings.

Battery Protection:

• Includes charging algorithms for lead-acid (flooded, AGM, and gel) and lithium batteries to prevent overcharging and increase battery life. Protects your batteries by disconnecting them from the load when voltage drops too low.

Multi-Stage Charging:

• The multi-stage charging system ensures that your batteries are charged quickly and efficiently, reducing charging time and maximizing battery life.

Integrated Display and Monitoring:

• LED status indicators show the system’s current state, battery voltage, and other essential information. It also features a communication port for easy remote monitoring and integration with other devices.

Wide Solar Voltage Range:

• Supports a wide solar voltage range of up to 150V (maximum). This flexibility allows you to use a variety of solar panels with different voltage ratings.

Built for Harsh Environments:

• Designed to operate reliably in tough outdoor conditions, the Tristar MPPT is equipped with advanced protection features such as reverse polarity protection, overcurrent protection, and overtemperature protection.

Advanced Safety Features:

• Comes with reverse polarity protection, overcurrent protection, overtemperature protection, and short-circuit protection for safety and durability.

 Specifications

• Model: TS-MPPT-45
• Maximum Input Voltage (Solar Array): 150V
• Maximum Charging Current: 45 Amps
• Operating Voltage Range: 12V, 24V, or 48V battery systems (automatic detection)
• Maximum Output Power:
  • 12V: Up to 540W
  • 24V: Up to 1080W
  • 48V: Up to 2160W
• Efficiency: 98%
• Temperature Range: -40°C to +60°C (for outdoor use in extreme conditions)
• Standby Current Draw: < 5mA
• Communication: RS-232 for remote monitoring (compatible with Morningstar's ProStar or Tristar Remote Display)
• Mounting Type: Wall-mounted
• Battery Type Compatibility: Lead-Acid (Flooded, AGM, Gel), Lithium-Ion (LiFePO4, Li-ion)
• Dimensions: 7.2 x 7.8 x 3.8 inches

What our Expect Think

High-Power MPPT Technology – The 45 Amp MPPT controller optimizes solar panel output, delivering maximum efficiency by tracking the optimal power point, even in fluctuating light conditions.

Large System Support – Perfect for larger solar systems with higher power demands, able to handle up to 45 amps of charging current, making it ideal for off-grid homes, commercial systems, or remote installations.

Enhanced Battery Protection – Features advanced charging algorithms that protect your batteries from overcharging and deep discharging, extending battery life and ensuring optimal performance.

Wide Voltage Range – Compatible with 12V, 24V, and 48V systems, giving you flexibility to integrate with a variety of solar setups and configurations.

Durable & Weather-Resistant – Built with rugged components for long-term reliability and weather-resistant design, capable of handling outdoor elements in challenging conditions.

Advanced Monitoring & Control – Includes an optional remote display (sold separately) for real-time monitoring and system management, giving you full control over your solar energy system.

Efficient Power Conversion – Maximizes the conversion of solar energy into usable power with minimal energy loss, ensuring your system operates at peak efficiency.

Easy Installation – Simple, intuitive setup with clear LED status indicators for quick diagnosis and trouble-free operation.

Proven Reliability – Known for dependable performance, even in harsh environments, and backed by Morningstar’s industry-leading reputation in charge controllers.

Q$A

What is MPPT technology, and how does it work?
MPPT stands for Maximum Power Point Tracking. It is a technology that adjusts the voltage and current to ensure that the solar panels are always working at their maximum power output, even during varying light conditions. This increases the overall energy harvested by the solar system compared to traditional PWM controllers.

🔹 Can I use this with lithium batteries?
Yes, the Tristar MPPT 45 is compatible with lead-acid batteries (flooded, AGM, gel) and lithium batteries, with specific charging algorithms optimized for each type.

🔹 What size solar system is this charge controller suitable for?
This charge controller can handle up to 45 Amps of charging current, making it suitable for larger solar systems with high energy needs. It is compatible with 12V, 24V, and 48V systems and can manage solar arrays with power ranging from 540W (12V) to 2160W (48V).

🔹 How do I monitor the system’s performance?
The Tristar MPPT 45 includes LED indicators for quick status checks and also offers a communication port for integrating a remote display to monitor system performance more in-depth.

🔹 Is the Tristar MPPT 45 easy to install?
Yes, it is designed for easy installation, with a simple wall-mountable design and clear connection instructions for the solar array and battery. It also provides clear status indicators to simplify troubleshooting during installation.

Maintainces Tips

• Visual Inspection: Check for physical damage, discoloration, or burn marks.
• Connection Check: Ensure all wiring is secure and properly grounded.
• Surge Indicator: Monitor LED status; replace if no longer indicating protection.
• Environmental Protection: Install in a dry, ventilated area to prevent moisture damage.
• Routine Testing: Periodically test system functionality and replace after a major surge event.