The MorningStar TriStar 45 Amp MPPT Charge Controller is a high-efficiency solution for off-grid solar systems, providing 99% peak power tracking with advanced TrakStar MPPT technology. Designed for systems up to 2.4kWp, it offers flexible battery voltage support, extensive protections, and a fanless design for long-term durability in harsh conditions. Perfect for medium-sized solar installations requiring reliable energy management.
MorningStar – Tristar 45 Amp MPPT Charge Controller
Brand: Morningstar
$803.20
or $70.60/mo for 12 mo at 9.96% APR with 
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Product Overview
The MorningStar TriStar 45 Amp MPPT Charge Controller is a powerful and efficient choice for medium-sized off-grid photovoltaic (PV) systems. With industry-leading TrakStar MPPT technology, this controller achieves up to 99% peak efficiency, ensuring that you maximize energy harvest from your solar panels in systems up to 2.4kWp. Designed for versatility, it supports multiple battery voltages (12V, 24V, 36V, or 48V) and can handle up to 45 amps of charge current with a 150V open circuit voltage.
Built for reliability, the TriStar MPPT 45 features advanced protections including short-circuit, over-current, and reverse polarity safeguards, keeping your system secure even in the toughest environments. Its fanless design and oversized heatsink ensure silent, maintenance-free operation while withstanding extreme temperatures from -40°C to +45°C.
This charge controller is also equipped with on-board RS-232 communication, enabling system monitoring, data logging, and custom configurations for enhanced performance. Certified to meet global standards like CE, RoHS, IEC 62109, and ETL Listed, the TriStar MPPT 45 is recognized worldwide for its durability and reliability in solar installations.
Backed by a 5-year warranty, the MorningStar TriStar 45 Amp MPPT Charge Controller is the go-to solution for solar system designers looking for optimal performance and long-lasting efficiency.
Key Features:
- 45A charge rating, supports 12V, 24V, 36V, and 48V battery systems
- 99% peak efficiency with advanced TrakStar MPPT technology
- Built-in protections: short-circuit, over-current, and reverse polarity
- Fanless design for reliable, quiet operation
- Certified to CE, RoHS, IEC 62109, and ETL Listed
- 5-year manufacturer warranty
Product Specifications
Weight: 9.2 lbs
Dimensions: 11.4 × 13 × 14.2 in
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