Guangdong, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workday
OEM/ODM Service

Solar Controller, Controller, Power Controller manufacturer / supplier in China, offering Suoer 12V 24V 20A Solar Charge Controller (ST-L1220), Suoer Good Quality Universal TV Remote Control (SON-160), Souer 300W 12V-50V MPPT Boost Voltage Charger Controller Solar Battery Charger (MPVB-P300) and so on.

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Supplier Homepage Products Solar Charge Controller Suoer 12V 24V 20A Solar Charge Controller (ST-L1220)

Suoer 12V 24V 20A Solar Charge Controller (ST-L1220)

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Min. Order: 100 Pieces
Port: Guangzhou, China
Production Capacity: 1000PCS/Week
Payment Terms: T/T
Condition: New
Application: Solar System Controller, Charger Controller
Rated Voltage: 48V
Transport Package: Standard Export Carton
Specification: ISO9001: 2000, CTA, CE, RoHs
Trademark: SUOER

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Basic Info

Model NO.: ST-L1220
Origin: Guangdong, China (Mainland)

Product Description

Suoer 12V 24V 20A Solar Charge Controller(ST-L1220)
New Features
1. The battery voltage temperature compensation
2.Short Press :set the state function ,Long Press:wireless infrared earning function
3.Short Press:Menu function ,Long Press:Setting up function
4.Set the state function Manual mode load on/off
5.Infrared receiver window

Working Mode

There are several common working mode of PWM solar controller:
1. Button Mode (Manual switching load)

2. Light Controlled Mode (Load switch is controlled by solar panels 
photosensitive control and timing control)
3. Light control turn on delay off mode.
4. Circulation model (With Clock Fuction)
0-24 hours optical mode,switch,wireless remote control mode,etc load mode optional

All kinds of complete protection,stable and reliable(charging over voltage protection,charging flow protection,over-current protection,load load short circuit protection,under-voltageprotection)


The waterproof solar controller of light and night away less than 10 ma power flow, ideal for small power solar products, such as solar street lamp light, streetlight, DC Load, illumination, solar power system and so on.

Technical Parameters

To adapt to the battery voltageTo adapt to the battery:12V/24V(battery<6V:12V System   battery>18V System)
Maximem charging voltage50V
Maximem charging current10A20A30A
Maximem output current 10A20A30A
Specifications of Recommended 12V:Open loop voltage  18-24V Standard specificctions solar panels 150WX1
Solar Panel24V:Open loop voltage 36-48V  Standard specificctions solar panels 300WX1
Numbers of Recommended1 pieceTwo piece of parallelThree parallel
 Solar Panel 
Charging Mode The three -phase PWM charger quickly
Float charging voltageDefault 14V,(24V Battery *2,Parameters can adjuest in the Setting menu)
Constant charging voltageDefault 14V+0.4V,(24V Battery *2,Parameters can adjuest in the Setting menu)
Under-voltage protection voltageDefault 10.5V,(24V Battery *2,Parameters can adjuest in the Setting menu)
Owe pressure recovery voltage Default 12.5V,(24V Battery *2,Parameters can adjuest in the Setting menu)
Load overload automatic Recovery time60s
Stand-by power consumption <20mA
Operating temperature range  -20ºC~55ºC
Overail dimensions168mm*92mm*39.5mm
Installation of fixed size152mm*60mm
Product weight(G.W)0.5kg0.2kg0.25kg

Product Photo
Suoer 12V 24V 20A Solar Charge Controller (ST-L1220)
Suoer 12V 24V 20A Solar Charge Controller (ST-L1220)
Suoer 12V 24V 20A Solar Charge Controller (ST-L1220)


1. May I take some samples to test before placing the order ?
Answer: Yes, but customers need to pay for the sample fees and express fees, and it will be returned when next order is confirmed.


2. How long can you offer the samples?
Answer: 1~5 days after the deposit payment is confirmed.


3. What's your payment terms for sample?
Answer: You can pay via T/T.

4. What's the price terms can you offer for us?
Answer: We can accept EXW, FOB, CIF and so on.

5. Do you have any certifications for your products?
Answer: We have ISO9001:2000, CE, RoHS, certifications for all of our products.


6. Where is your main market for your products?
Answer: Most of our Suoer brand products are exported to Southeast Asia, Africa and Mid East.

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