12V/24V (max input 100V/150V) 20A MPPT Solar Charge Controller

12V/24V (max input 100V/150V) 20A MPPT Solar Charge Controller

Model NO.: QWM-20100TC/ QWM-20150TC

Part 1. The Tracer MPPT charge controller

Tracer series controller adopts latest MPPT technology(Maximum Power Point Tracking) and advanced tracking algorithm to make the solar module operate at idea voltage which the solar modules can product the maximum available power. Compared to conventional PWM controller, MPPT technology increases the charge efficiency up to 30% and potentially decrease the power of solar array needed.

The ability to step-down the higher voltage solar module to recharge a lower voltage battery bank greatly increases system design flexibility. The cable size can be reduce because of the small current from the solar array.

The controller is for off-grid solar system and control the charging and discharging of the battery, both suitable for the solar power system and the street light system. The controller features a smart tracking algorithm inside that maximizes the energy from the solar PV module(s) and charge the battery. At the same time, the low voltage disconnect function (LVD) will prevent the battery from over discharging.

Part 2. Main Features

1. MPPT technology

2. Peak conversion efficiency of 97%

3. High tracking efficiency of 99%

4. Several seconds tracking speed

5.4-Stage charge with PWM output

6. Nature convection cooling

7. Full power output in ambient
temperature up to 45° C

8. Temperature compensation

9. Sealed, Gel and Flooded battery option

10. Widely used, automatically recognize day/night

11. Diversified load control


Part 3. Protection function:

1. PV Array Short Circuit;

2. PV Over-voltage;

3. PV Over-current;

4. Load Overload;

5. Load short circuit;

6. PV Reverse Polarity;

7. Battery Reverse Polarity;

8. High Voltage Transients.

Part 4. Product structure

1. Charging Status LED Indicator An LED indicator that shows charging status and overvoltage of battery;

2. Battery Status LED Indicator An LED indicator that shows battery status or system errors;

3. Temperature Sensor Measure ambient temperature and make temperature compensation for charging and discharging;

4. Setting Indicators Corresponding indicator will be on when set timer1, timer2 and battery type;

5. LED Digital Display Display the load work mode and status;

6. Setting Button (in manual mode used for load ON/OFF) Set load work mode and select battery type;

7. Solar Module Terminals Connect solar modules;

8. Battery Terminals Connect batteries;

9. Load Terminals Connect loads.

Part 5. Product connection display

1. Battery writing:

Before connecting the battery, measure the battery voltage. It must be over 9V to power the controller. For 24V, the voltage must be greater than 18V to properly detect a 24V battery. The 12/24V battery detection is automatic and the check is only performed at start-up.

Wire an in-line fuse holder no more than 150mm from the battery positive terminal. Do not insert a fuse at this time. Confirm the connection correct and then turn on the power.

2. Load writing:

Connect load positive (+) and negative (-) to the Tracer load output as shown in figure 3-3. The load terminals may exist voltage, connect carefully to avoid short circuit.

An in-line fuse holder should be wired in series in the load positive (+) or negative (-) wire as shown. Do not insert a fuse at this time. Confirm the connection correct and then turn on the power.

If wiring the load connection to a load distribution panel, each load circuit should be fused separately. The total load draw should not exceed the 20A load rating.

3. Solar module writing:

The Tracer can accept 12V, 24V nominal off-grid solar module arrays. Grid tie solar module(s) may be used if the open circuit voltage does not exceed the maximum solar input rating. The solar module(s) nominal voltage must be equal to or greater than the nominal battery voltage.

QUEENSWING specialized in:


Modified Power Inverter:

USB car inverter: 100W, 150W, 200W, 300W, 500W, 1000W

Big capability: 1KW, 1.5KW, 2KW, 3KW, 4KW, 5KW, 6KW

UPS with charger: 1KW, 1.5KW, 2KW, 3KW

Pure Power Inverter:

Without charger: 300W, 600W, 1KW, 1.5KW, 2KW, 3KW, 4KW, 5KW, 6KW

With charger UPS: 300W, 350W, 400W, 500W, 600W, 700W, 1KW, 1.5KW, 2KW, 3KW,
4KW, 5KW, 6KW, 7KW, 8KW, 9KW, 10KW

Grid-tied Power Inverter: 1KW, 1.5W, 2KW, 3KW, 5KW, 10KW

PWM solar charge controller:12V 24V 48V 96V 192V 10A 20A 30A 40A 50A 60A 80A
100A 150A 200A

MPPT solar charge controller: 12V 24V 48V 10A 20A 30A 40A 50A 60A

Hybrid wind solar controller:12V 24V 200W 300W 400W 500W 600W

Battery: Maintenance-free lead-acid battery

Gel Battery: 12V 65A 100A 120A 150A 200A

Solar Panel: Mono & Poly crystalline solar panel in 10W ~300W

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