btnx For lithium/lead acid/gel batteries (240W-500W)-Universal MPPT solar charge controller automatic 18-80V DC input 9Q4T2

Specifications:Model: MPPT Solar Buck ControllerInput Voltage: DC 18V-80VMax Current: 20ARated Power: 12V System: 240W / 24V System: 500WBattery Compat.: Lead-Acid / Lithium / Gel / AGMCooling: Natural Convection + Auto FanDisplay: LED Digital TubeEfficiency: ≥98%Output Voltage: 12V / 24V Auto-SensingOper. Temp.: -20°C to 60°C (-4°F to 140°F)Features:1.Premium QualityManufactured with high-grade materials for durability and reliability.2.98% High-Efficiency ChargingAdvanced MPPT algorithm maximizes solar energy harvesting, boosting efficiency up to 98%.3.Ultra-Low Heat DesignLow-resistance MOSFET replaces traditional diodes, reducing heat generation while enabling compact high-power output.4.Battery Activation FunctionAutomatically revives over-discharged lithium batteries locked in protection mode.5.Multi-Data Display4-digit LED screen cycles through real-time readings: battery voltage, solar current, PV power, and more.