20A Waterproof Solar Street Light Charge Controller for Lithium Battery (QW-SR-SL2420)

Basic Info

Model NO.	QW-SR-SL2420
After-sales Service	Rapid Response and Installation Guide Service
Warranty	12 Months
Condition	New
Certification	CE, RoHS, SGS
Application	Solar System Controller, Charger Controller, Lighting Controller, Solar Street Light Controller
Rated Voltage	12V/24V Auto Identify
Rated Current	20A
System Voltage	12V/24V Auto
Solar Energy Input Voltage	< 55 V
Charging Mode	PWM
No-Load Loss	10mA/12V; 13mA/24V
Float Charging Voltage	13.8V, X2/24V
Overvoltage Protection	17.0V, X2/24V
Under Voltage	12.0V, X2/24V
Display of Working Mode	Digital Display
Battery	Used for Gel, Lead-Acid and Li-Batteries
Waterproof Level	IP68
Temperature Compensation	-4.0mv0c/2V
Size	82*58*20mm
Gross Weight	0.3kg
Keywords	20A Solar Street Light Charge Controller
Transport Package	20PCS/Carton
Specification	1pc/color box
Trademark	QUEENSWING
Origin	Guangzhou, China
HS Code	9032899090
Production Capacity	50000/Month

Product Description

20A Waterproof Solar Street Light Charge Controller for Lithium Battery (QW-SR-SL2420)

Features:

1. The design of IP68 waterproof level and aluminum shell helps effectively prevent erosion. 2. 12 V/24 V system voltage.3. LED numeric display and waterproof keys are easy to use.4. An upgraded 3-stage PWM charging algorithm applies an equalizing charge to the battery every week, effectively preventing the battery from non-equalization and sulfuration and therefore extending the battery's service life.5. Up to 5 load working modes facilitate the product's application to different types of road lamps and monitoring devices.6. Charging program options are available for sealed, GEL and flooded lead-acid batteries and ternary-material lithium and lithium iron phosphate batteries. 7. An external temperature sensor helps deliver high-precision temperature compensation. 8. Parameter settings of power-down saving functions eliminate the trouble of repeated settings, making operation easy and convenient. 9. Various kinds of state indicators. 10. Overcharge, over-discharge and overload protection, as well as short-circuit and reverse-connection protection.11. TVS lighting protection.

Technical Parameters:

Battery type	Sealed	GEL	Flooded	Ternary-material lithium	Lithium iron phosphate
System current	10A; 20A
No-load loss	10 mA/ 12 V; 13 mA/ 24 V
Solar energy input voltage	< 55 V
System voltage	12V/24V Auto	12V/24V Auto	12V/24V Auto	3 and 4 strings: 12V system	4 strings: 12V system
				7 strings: 24V system	8 strings: 24V system
Overvoltage protection	17.0 V	17.0 V	17.0 V	4.2 V * N + 2.0 V	3.65 V * N + 2.0 V
Equalizing charging voltage	14.6 V	-	14.6 V	-	-
Boost charging voltage	14.4 V	14.2 V	14.4 V	-	-
Floating charging voltage	13.8 V	13.8 V	13.8 V	-	-
Overcharge voltage	-	-	-	4.2 V * N	3.65 V * N
Overcharge recovery	-	-	-	3.9 V * N	3.4 V * N
Boost charging recovery voltage	13.2 V	13.2 V	13.2 V	-	-
Over-discharge recovery voltage	12.5 V	12.5 V	12.5 V	3.3 V * N	3.0 V * N
Undervoltage	12.0 V	12.0 V	12.0 V	3.2 V * N	2.8 * N
Over-discharge voltage	11.0 V	11.0 V	11.0 V	3.0 V * N	2.5 V * N
Temperature compensation	-4.0 mv°C/ 2 V	(-4.0 mv°C/ 2 V)	-4.0 mv°C/ 2 V	-	-
Equalizing charging duration	1 hour	-	1 hour	-	-
Boost charging duration	4 hours	-	4 hours	-	-
Light controlled voltage	Light controlled on 5 V, light controlled off 6 V
Light control judgment time	1 min
Overload and short-circuit protection	1.25 times of rated current: 30 s;
	1.5 times of rated current: 5 s of overload protection;
	Over 3 times of rated current: short-circuit protection.
Operating temperature	-35°C to +65°C;
Protection degree	IP68
Weight	140 g (10 A) 300 g (20 A)
Dimensions	82×58×20 (mm)/ 10 A; 82×100×20 (mm)/ 20 A
	(L×W×H)

Status indications:

LED lamp	Indications	Status	Functions
	Charging indication	Long-term On	There is voltage on battery panel
		Long-term Off	No voltage on battery panel
		Slow twinkling	Be on charged
		Fast twinkling	Overpressure of system
	Storage Battery	Long-term On	Storage battery works normally
		Long-term Off	Storage battery is not connected
		Slow twinkling	Storage battery is undervoltage
		Fast twinkling	Storage battery is excessively discharged
	Load	Long-term On	Load is open
		Long-term Off	Load is close
		Slow twinkling	Overload protection
		Fast twinkling	Short circuit protection

Introduction of modes and table of settings:
SR-SL series controller has five working modes. Table of settings is as below:
1. Purely light-operated (0): When there is no sunlight, the light intensity will fall to the starting point.
The controller will affirm the starting signal after a delay of 10 minutes. Load will be opened as per set
parameters to start working. When there is sunlight, the light intensity will rise up to the starting point.
The controller will close output after confirming closing signal in a delay of 10 minutes and the load will stop
working.

2. Light-operated + time-controlled (1~4.): Starting process is same to that of pure light control. The load will automatically close when it works to the preset time. Set time will be 1 to 14 hours.

3. Manual mode (5.): Under this mode, users can control the load-on and load-off by key-press no matter
day or night. This mode is suitable to occasions in need of special loads or for debugging.

4. Debug mode (6.): It is used for system debug. If there is light signal, load will be closed. If there is no light signal, load will be opened. It is convenient for checking the correctness of the system during installation and debugging.

5. Long-term On mode (7.) : If being powered on, the load will be under the output status all the time. This mode is suitable for loads in need of 24-hour power supply.

LED Display	Mode	LED Display	Mode
0	Purely light-operated	9	Light-operated + time-controlled for 9 hours
1	Light-operated + time-controlled for 1 hour	0.	Light-operated + time-controlled for 10 hours
2	Light-operated + time-controlled for 2 hours	1.	Light-operated + time-controlled for 11 hours
3	Light-operated + time-controlled for 3 hours	2.	Light-operated + time-controlled for 12 hours
4	Light-operated + time-controlled for 4 hours	3.	Light-operated + time-controlled for 13 hours
5	Light-operated + time-controlled for 5 hours	4.	Light-operated + time-controlled for 14 hours
6	Light-operated + time-controlled for 6 hours	5.	Manual mode
7	Light-operated + time-controlled for 7 hours	6.	Debug mode
8	Light-operated + time-controlled for 8 hours	7.	Long-term On mode

Installation and wiring:
1. Installation of controller should be stable and dimensions are as follows:
Overall dimension: 82×58×20(mm)/10A 82×100×20(mm)/20A
Installation dimension: 43×75(mm)/10A 86×75(mm)/20A
Installation hole diameter: 3.5(mm)

2. QW-SR-SL series controller can work under 12V or 24V voltage. Please connect the storage battery at first, controller will work after recognize the battery volt automatically. If 12 V, the digital tube will shows "0.". If 24V, the digital tube will shows "1."
3. Connecting pole '+': controller is designed with share positive pole. Please connect the positives of
storage battery, photocell and load to the positive terminal (red line) of the controller respectively.
4. Connecting pole '-'of the storage battery: if connection is right, indicator of controller will twinkle. Otherwise, please check the connection.
5. Connecting pole '-'of the solar panel: if connection is right, indicator lamp of solar panel will twinkle.
Otherwise, please check the connection.
6. Connecting pole '-'of the load: connect the load wire to the load output end of controller. Current should not exceed the rated current of controller. Wiring diagram is as follows:

FAQ
1.
Q: Are you a factory or trading company?
A: We just want to tell you we can offer you good prices, professional service, professional english communication, professional after-sales service. And we are a factory.

2.
Q: What certificate do you have?
A: We have CE,ROHS certificate.

3.
Q:What kind of payment do you accept?
A: We accept T/T, Credit Card, Western Union for samples' order,only T/T for big orders.

4.
Q:Do you have any MOQ?
A: we don't have MOQ for mid-brand packing, if need your design it has 300pcs to 1000pcs.

5.
Q: How does your factory do regarding quality control?
A: We have a special QC department in charge of products' quality.

6.
Q: How long is the warranty period?
A: All of our products have one year warranty.

7.
Q: What's the main market of your company?
A: We have customers all over the world.

8.
Q: How long will the products'delivery?
A: for samples'order will 3-10days, big orders are from 30-45days.
Guangzhou Queenswing Solar Energy Co. Ltd. is a professional manufacturer and exporter of solar products including power inverter, solar charge controller, solar lighting kit, solar panel, solar battery and Battery Charger in China. To provide high-quality product and considerate service is always our basic policy. We believe high quality creates business and progress is from improvement.

Main products:
Pure sine wave power inverter
Modified sine wave power inverter
UPS power inverter with charger
Car power inverter
PWM solar charge controller
MPPT solar charge controller
Wind solar hybrid controller
Solar lighting kit
Mono solar panel
Poly solar panel
Lead acid battery
Gel battery
Battery charger

Our power inverter and solar products are exported to most global coutries and get good reputation because of our favorable quality and stable performance.

7. Payment Terms:
T/T, Western Union, Money Gram, Credit Card,
Production arranged after receipt of payment.

Lead Time:
Sample order will be delivered within 7 working days.
Order quantity below 100PCS, delivery time is 7-15 working days.
Container order will be delivered within 15-30 working days.

Shipment:
Courier: FedEx, DHL, TNT, UPS, Aramex, EMS ect.
Forwarder: By sea / air or Customer designated

8. Contact us:

queenswing.en.made-in-china.com