40A MPPT Solar Charge Controller - Automatic 12/24V, Multi-Battery Support

Overview

Discover the compact MPPT solar charge controller that intelligently detects both 12V and 24V systems while supporting various battery types such as sealed, gel, flooded, and lithium. This device ensures optimal energy capture with impressive tracking efficiency, safeguards your batteries and loads with comprehensive safety features, and delivers clear operational insights via an LCD screen and LED indicators. Its sturdy die-cast aluminum casing and RS232 connectivity allow for optional Bluetooth monitoring to enhance usability.

Benefits

• Charge batteries efficiently and harness more solar energy, maximizing system uptime between charges
• Enhance battery longevity with tailored charging profiles and multiple electronic safeguards
• Minimize maintenance interruptions with clear status displays, informative error codes, and reliable overload protection
• Utilize your existing battery type without the need for expensive replacements, thanks to its compatibility with various battery technologies
• Easily monitor and tweak settings using the LCD, LED indicators, and optional Bluetooth connectivity through the RS232 port
• Count on a robust, heat-dissipating aluminum housing that ensures stable operation across a range of temperatures
• Safely recharge over-discharged lithium batteries, providing added flexibility and confidence in your energy setup

Features

• Automatic recognition of 12V or 24V DC system voltages
• Supports Sealed, Gel, Flooded, and Lithium deep-cycle batteries
• MPPT technology boasts up to 99% tracking efficiency and up to 98% peak conversion efficiency
• Comprehensive electronic protections against reverse polarity, overcharging, over-discharging, overload, short circuit, and reverse current
• LCD display along with multiple LED indicators for real-time system status, customizable parameters, and error codes
• Diverse load control options, including the capability to recharge over-discharged lithium batteries
• Durable die-cast aluminum enclosure for better heat dissipation and enhanced durability
• RS232 interface for compatibility with the BT-1 Bluetooth module, sold separately

Specifications

• Rated Battery Current: 40A
• Rated Load Current: 20A
• Maximum PV Input Short Current: 50A
• Maximum Battery Voltage: 32V
• Maximum Solar Input Voltage: 100V DC
• Charge Circuit Voltage Drop: less than 0.26 V
• Discharge Circuit Voltage Drop: less than 0.15 V
• Operating Temperature Range: -31 °F to +113 °F
• Maximum Terminal Size: 8 AWG
• Load Control Range: 10% to 90% (Normally Closed)
• Overall Dimensions: 9.37 x 6.81 x 2.85 in
• Net Weight: 4.41 lb