Solar controllers:

        PWM controllers
        MPPT controllers                        
- Voltage configurations: 12/24V;
- Rated charging current: 10A;
- Load max voltage: 14,4/28,8V;
- Charge disconnection point: 11,1/22,2V;
- Charge re-connection point: 13,1/26,2V;
- Charge system: 4 stages;
- Output: 1;
- Working temperature: -35/+55C;
- Protection: IP22;
- Type: Stand Alone, Boat/Camper;
- LCD display: NO.
- Voltage configurations: 12/24V;
- Rated charging current: 20A;
- Load max voltage: 14,4/28,8V;
- Charge disconnection point: 11,1/22,2V;
- Charge re-connection point: 13,1/26,2V;
- Charge system: 4 stages;
- Output: 1;
- Working temperature: -35/+55C;
- Protection: IP22;
- Type: Stand Alone, Boat/Camper;
- LCD display: NO.
- Voltage configurations: 12/24V;
- Rated charging current: 30A;
- Load max voltage: 14,4/28,8V;
- Charge disconnection point: 11,1/22,2V;
- Charge re-connection point: 13,1/26,2V;
- Charge system: 3 stages;
- Output: 1;
- Working temperature: -20/+50C;
- Type: Stand Alone, Boat/Camper;
- LCD display: YES.
- 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: 0-40C (De-Rating at 40~60C);
- 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.