Features Efficient Solar Charging Over 99.5% MPPT Tracking Efficiency: Maximizes solar energy harvest in changing sunlight conditions. Up to 98% Conversion Efficiency: Converts more solar power into usable battery charging energy. Supports up to 1800W PV Input: Handles larger solar arrays for faster battery charging. Flexible System Compatibility 12V/24V Auto Detection: Automatically identifies the system voltage during installation. Supports Multiple Battery Types: Compatible with LiFePO₄, LTO, LCO, AGM, GEL, Flooded, Crystal, and Calcium batteries. 100V Max PV Input: Supports flexible solar panel configurations and system expansion. Smart Monitoring Built-In Bluetooth Monitoring: Monitor real-time charging status on your smartphone via the Tuya Bluetooth Module. LCD Display: View solar input, battery status, and charging information. Optional Accessories: Compatible with an optional remote meter and battery temperature sensor. Comprehensive Reliability Advanced Electronic Protection: Protects against over-voltage, reverse discharge, and circuit faults. Common Negative Ground Design: Supports reliable system integration. Conformal Coated Circuit Board: Improves long-term durability in demanding environments. Specifications System Nominal Voltage: 12/24V Auto Max PV Charging Current: 60A Max. Recommended PV Input Power: 900 Watt (12V) / 1800 Watt (24V) Max PV Open Circuit Voltage: 100V DC MPPT Tracking Efficiency: >99.5% Charge Conversion Efficiency: ≤98% Battery Type Preset: Crystal, Gel, AGM, WET, Calcium / LCO, LFP, LTO IP Grade: IP43 for Inside PCBA, IP22 for Connection Area Housing Case Color: Black / Grey Dimensions (L × W × H): 201 × 195 × 85 mm (7.9 × 7.7 × 3.3 in) Net Weight: 1.90 kg / 4.18 lb