The ROCKSOLAR 20A MPPT Solar Charge Controller is a powerful and energy-efficient charging solution for both Lithium and Lead Acid batteries. This device has a 55Vdc open voltage, 99.5% MPP tracking efficiency and 5V light control voltage, making it perfect for use in a range of environments. With its 3-stage charge algorithm and 12/24V nominal system voltage, the controller is capable of outputting up to 20A of charging current while supporting a battery voltage range of 8-32V.
The device also offers high voltage disconnection at 16V (24V x 2) and low voltage disconnection at 10.8V for optimal performance. Constructed for excellent temperature resilience from -20°C to 55°C, this controller is also equipped with IP30 rating for additional protection.