Guangdong, China
Business Type:
Manufacturer/Factory & Trading Company
Business Range:
Electrical & Electronics
Main Markets:
South America, Southeast Asia/ Mideast, East Asia(Japan/ South Korea)
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available

Controller, Solar Controller, Inverter Controller manufacturer / supplier in China, offering 12V/24V Solar Panel Battery 40A Charger Controller, Factory Wholesale Car Power Inverter 800W 12V DC AC110V 220V Power Inverter 1 USB, Factory Wholesale Car Power Inverter 600W 12V DC AC110V 220V Power Inverter 1 USB and so on.

Gold Member Since 2017
Audited Supplier
Supplier Homepage Products solar controller 12V/24V Solar Panel Battery 40A Charger Controller

12V/24V Solar Panel Battery 40A Charger Controller

Get Latest Price
Purchase Qty. / Reference FOB Price
1-80 Pieces US $11.34
81-500 Pieces US $11.32
501-2,000 Pieces US $10.98
2,001+ Pieces US $10.89
Port: Huangpu, China
Production Capacity: 4000-7000PCS/Day
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram, Visa
Condition: New
Certification: ISO, CE, PSE,Saso
Application: Collector Controller, Water Heater Controller, Solar System Controller, Charger Controller, Lighting Controller, Wind Controller, Solar Working Station, Voltage Controller, Thermal Controller, Home Lighting
Rated Voltage: 12V/24V/48V
Input Voltage: DC 12V/24V/48V
Output Voltage: 110V/220V+/-10%

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Basic Info

Model NO.: Suredom-40A-controller
Color: Black/OEM
Display: LCD
N.W: 0.30kg
G.W: 0.32kg
USB Port: Yes/OEM
Outside Sheel: Plastic/OEM
Package: Carton
Delivery Time: 3 Working Days
Trademark: Suredom
Transport Package: Carton with Wallet Bag
Specification: 161*87*46mm
Origin: Guangzhou, China
HS Code: 8419909000

Product Description

12V/24V solar panel battery 40A charger controller
Tenecal Parameter 
System voltage 12V/24V/48V
Rated discharger current10A
Rated discharger current10A
Max voltage<80V
DC 14.5V
Float voltage13.7V
Discharger cut off voltage10.7V
Discharger recovery voltage12.6V
Output USBN/C
Prepare circuit<10mA
Charger PWM 
Work Temperaturesubzero 35ºC to 60ºC
12V/24V Solar Panel Battery 40A Charger Controller
12V/24V Solar Panel Battery 40A Charger Controller
12V/24V Solar Panel Battery 40A Charger Controller
12V/24V Solar Panel Battery 40A Charger Controller
12V/24V Solar Panel Battery 40A Charger Controller

12V/24V Solar Panel Battery 40A Charger Controller

Contact Information:

Please contact us through email to me, we will assist you in any way possible and aim to answer all emails within 24-48 hours.



 Q1. The electric appliance doesn't work and the indicator light isn't on.


1. Faulty battery.

2. Wrong connection of positive pole and negative pole.

3. Loose connection of the cables.


1. Check the battery, and change it if needed.

2. Check the connection of battery. The inverter might be damaged and should

be changed or sent to be repaired.

3. Check the cables and connection points, and tighten the terminals.


Q2. The electric appliance doesn't work and the RED indicator light is on.


1. The rated power of electric appliance exceeds the nominal power of inverter

which leads to over loadshutdown.

2. The rated power of electric appliance is less than the nominal power of the inverter

but its peak power is too high which leads to over load shutdown

3. The electricity in battery runs out (the inverter alarms)

4. Poor ventilation causes over heat shutdown

5. Input voltage is too high.


1. Please use the electric appliance which power is less than the nominal power of inverter.

2. The peak power of electric appliance is no more than that of power inverter, or the same power.

3. Charge the battery or change it.

4. Turn off the inverter for 15 minutes, remove the items near fan and those around the inverter,

and put the inverter in a shady and cool place

5. Turn off the inverter and test the output voltage of battery.


Q3. The output voltage of power inverter tested is too low.

Reason: Generally the numerical reading range of voltmeter for testing use is too small.

Answer: If you test the output voltage of modified sine wave inverters, please use "true RMS

Multi-meter" to obtain the accurate data.


Q4. Only small power load can be driven.

Reason: When the current goes through the cables, the voltage declines.

Answer: Shorten the length and use thicker cables.


Q5. The hours of use are too short.


1. The electricity consumption of the electric appliance is larger than rated load of power inverter.

2. The battery is faulty or damaged

3. The battery is not well charged

4. The current declines when through cables


1. Use larger capacity battery.

2. Change battery.

3. If the charger can't charge the battery fully, it needs to change a better intelligent charger.

4. Shorten the length of the cables and use the thicker cables.


Q6. How to contact your esteemed company and buy the inverters?


We are in the different regions, but we want to establish the long business with your and your excellent comoany.


          A letter for you

Dear customer:

Before sending your preferred inquiry to us, it will be appreciated if you can inform us:

1. The loading power;

2. The input voltage(12v or 24v ......);

3. The output voltage(110v or 220v or 240v);

4. AC Plug style;

5. Order quantity;

Then we can reply you according to your requirements within 24 h

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