Charge controller 12/24V 40A with MPPT. Adopting advanced MPPT technology, SolarCharge photovoltaic charge controller is the key component in off-grid or stand alone solar power generation system. SolarCharge can track the maximum power point and transfer the energy to various types of batteries. The build-in MPPT microprocessor enables SolarCharge to increase the charging current up to 30% compared to traditional charge controllers. Easy installation and capable of paralleled connection, SolarCharge is the perfect solution for home to large solar system applications.Features:- High converting efficiency higher than 97% for minimizing energy loss;- Build-in MPPT tracker for optimizing the power transformation;- Reversed current protection for preventing equipment damage;- Automatic battery temperature compensation for long-term reliability;- Capable of selecting different charging mode for various type of batteries;- Capable of connecting additional DC load for wider applications;- Three stage charge control system (bulk, absorption, and float mode) with temperature compensation;- LED indicators display charge status in real time;- Pulse Width Modulation (PWM) topology combined with a multi-stage charge control algorithm leads to superior charging and enhanced battery performance.Technical features:- Voltage configurations: 12 and 24Vdc Auto-Detection;- Rated charging current: 40 Amp;- Rated load current: 15 Amp;- Maximum pv open voltage: 55Vcd;- Typical idel power: < 10mA;- Bulk charge: 14.6Vcd / 29.2Vcd;- Floating voltage: 13.4Vcd / 26.8Vcd;- Equalization voltage: 14.0Vcd / 28.0Vcd;- Over charging protection: 14.8Vcd / 29.6Vcd;- Lead acid battery settings: Adjustable;- NiCad battery setting: Adjustable;- Load control mode: 1. Low Voltage Reconnect (LVR): Adjustable; 2. Low Voltage Disconnect (LVD): Automatic disconnection;- Operating temperature: 0-40°C (De-Rating at 40~60°C);- Operating altitude: 5000 Meters;- Chassis level: IP21;- Recommended wire size: #8 AWG;- Cooling: Natural Cooling;- Battery temperature sensor: Optional;- Dimension (DxWxH): 192 x 140 x 66 mm.