40 Amp MPPT Solar Charge Controller

Features

Efficient MPPT Solar Charging

• Up to 99% MPPT Tracking Efficiency: Maximizes solar energy harvest under changing sunlight conditions.
  
• Up to 98% Conversion Efficiency: Converts more solar power into usable battery charging energy.
  
• Supports up to 1100W PV Input: Recommended for solar arrays up to 550W (12V) or 1100W (24V).

Flexible System Compatibility

• 12V/24V Auto Detection: Automatically identifies the system voltage during installation.
  
• 100V Max Solar Input Voltage: Supports flexible solar panel configurations.
  
• Supports Multiple Battery Types: Compatible with Sealed, Gel, Flooded, and Lithium batteries.

User-Friendly Operation

• LCD Display with LED Indicators: Displays charging status, battery information, operating parameters, and fault codes.
  
• Bluetooth Ready: Supports the optional BT-1 Bluetooth module via the RS232 communication port for wireless monitoring.
  
• Die-Cast Aluminum Housing: Provides efficient heat dissipation for reliable operation.

Comprehensive Reliability

• Electronic Protection: Protects against reverse polarity, overcharging, overload, short circuit, and reverse current.
  
• Lithium Battery Recovery: Capable of charging over-discharged lithium batteries.
  
• Designed for Long-Term Reliability: Durable construction for reliable performance in demanding off-grid applications

Specifications

• Nominal System Voltage: 12V/24V Auto
  
• Maximum Charging Current: 40A
  
• Rated Load Current: 20A
  
• Maximum Recommended PV Input Power: 550W (12V) / 1100W (24V)
  
• Maximum Solar Input Voltage: 100V (25°C), 90V (-25°C)
  
• Maximum PV Input Short Current: 50A
  
• Maximum Battery Voltage: 32V
  
• Battery Voltage Range: 9V to 35V
  
• MPPT Tracking Efficiency: >99%
  
• Conversion Efficiency: ≤98%
  
• Battery Compatibility: Sealed, Gel, Flooded, Lithium
  
• Communication: RS232 (Optional BT-1 Bluetooth Module)
  
• Protection Rating: IP32
  
• Maximum Terminal Size: 8 AWG
  
• Net Weight: 4.41 lb
  
• Dimensions (L × W × H): 9.37 × 6.81 × 2.85 in
  
• Package Dimensions: 12 × 9 × 6 in
  
• Gross Weight: 6 lb