The Rich Solar 40A MPPT is a 12V/24V MPPT solar charge controller with a 20A load output and an RS232 port that works with Rich Solar's optional BT-1 Bluetooth module. It auto-detects system voltage, accepts up to 100V of panel input, and handles sealed, gel, flooded and lithium batteries.
Key Specs:
System Voltage: 12V/24V auto
Max Charging Current: 40A; load output 20A
Recommended Solar: 550W (12V) / 1100W (24V)
Max Solar Input Voltage: 100V (at 25°C), 90V (at -25°C); 50A short-circuit
Battery Voltage Range: 9–35V (32V max)
Efficiency: up to 98% conversion, >99% MPPT tracking
Battery Types: sealed, gel, flooded, lithium
Communication: RS232 (optional BT-1 Bluetooth module)
