ROCKSOLAR 20A MPPT Solar Charge Controller

ROCKSOLAR 20A MPPT Solar Charge Controller What's included: Controller, user manual Key specs: Rated charge current: 20A | Max PV input: 75V DC Max PV power: 260W (12V system) / 520W (24V system) MPPT tracking efficiency: 99.5% Battery voltage range: 8–32V | Auto 12V/24V detection Protection rating: IP30 Battery compatibility: Lithium and lead-acid (AGM, gel, flooded, sealed) Built for: RV solar systems, off-grid cabins, small boats, electric fences, backup power setups Key features: 99.5% MPPT efficiency = squeezes maximum power from your panels 3-stage charging (bulk, absorption, float) = extends battery life Auto 12V/24V detection = no manual configuration LCD display = easy real-time monitoring Works with both lithium and lead-acid batteries