300 W Inverter gennerator

300 W Inverter gennerator

Output wave form: Modified sine wave output (THD<3%)
Power ON-OFF switch
Thermo control cooling fan
Two-color indicators display power and fault status
Max efficiency to 90%
Topology: Microprocessor
Low battery voltage, over battery voltage, lack-voltage alarm.
Protections:short circuit, overload, over temperature.
Approvals:CE mark / EMC / LVD/ RoHS

Product Details

Product structure

Ce Certification 12/24/48v modified Sine Wave Inverter/solar Power Inverter With Charger 300w, High Quality Off-grid Inverter With Controller,

300w modified Sine Wave Inverter,Power Star Lw




  • Place of Origin:Guangdong, China (Mainland)

  • Brand Name:Sino-k

  • Model Number:SKM-300W

  • Output Power:201 - 300W

  • Output Type:Single

  • Size:120*105*55mm

  • Weight:0.9kg

  • Input Voltage:12V/24V/48V DC

  • Output Voltage:AC110-120V/AC 220-240V

  • Type:DC/AC Inverters

  • Output Frequency:50Hz/60Hz

  • Color:Black

  • Efficiency:90%

  • Rated Power:300W

  • Peak Power:600W

  • Warranty:1 Year

  • Output waveform:Modified Sine Waveform


Model No. SKM-300W
Input DC voltage 12V 24V 48V
No load current draw <0.25A <0.13A <0.07A
Voltage range 10.8~15VDC 21~30VDC 41~56VDC
Efficiency 87%~90%
DC connector Cables with Clips or Car Adapter
Output AC voltage  110V±10% / 220V±10%
Rated power 300W
Peak power 600W
Waveform(THD) Modified sine wave (<5%)
Frequency 60Hz±0.3% / 50Hz±0.3%
Protection Low voltage alarm 10.5V±0.3VDC 21V±0.5VDC 42V±0.5VDC
Low voltage shut down 10V±0.5VDC 21V±0.5VDC 40V±0.5VDC
Over voltage shut down 15.5V±0.5VDC 30.5V±0.5VDC 60V ±0.5VDC
Over load Shut Off Output
Over thermal Shut Off Output Automatically
Fuses Short Circuit
Environment Working temperature   -10℃~+50℃
Working humidity 10%~90% RH
Storage temperature   -30℃~+70℃
Package Machine size 120*105*55mm
Packing size 170*150*78mm
N.W 0.9kg
G.W 0.95kg
Others Start Soft Start
Cooling ways Cooling Fan


1. Factory advantage
Our battery factory established in Shenzhen city with 850 m2 in 1999, registered capital of 300 million RMB.
2. Focus on R & D
A. Have been cooperating with the famous institutes and universities in China to research and develop new products. 
B. More than US$1,000,000 are invested every year in R&D. 
C. We have more a team with rich experienced R&D,most of them have more than 10 years experience in lead acid power industry. 
3. Never stop pursuiting high quality
Our advanced equipment,quality raw material,precise process management methods and professional technical team generate our high quality products

Company Information

SINO-K is a professional high-tech manufacturer that integrates R&D, manufacturing and marketing of energy electronic series products,including DC-DC Power Converters,DC-AC Power Inverters, and Custermized services.The headquarters is located in Shenzhen. Shenzhen production workshop area of 850 square meters, and, in inland city, the production base with 6900 square meters.Our professional technicians and senior engineers with more than 10 years of energy product research and development, production management experience.


Other services

1. OEM service can be offered.
2. Prompt delivery : 5-15 days after receipt your money.
3. Warranty time :12 months.



1.Are you a manufacturer?

Yes,we have own factory and have more than 10  years experiences in inverter.

2.What is your supply capacity?

The annual output of the factory exceeds 1000,000 sets.

 3.waht is product?

Our company specialized in general inverters, high performance Vector inverters/inverter for elevator/lift, dancer & winding control inverter,high speed frequency inverter, Fan & pump inverter, asynchronous  Motor servo drive, servo, synchronous servo, AC servo motor positioning system  Industrial touch control panel, industrial touch panel all in one machine, Electrical power regulator (power controller), counter/revolution meter /different kinds of intelligent  operation instruments etc. 

4.What is the payment of your product?


 5.Is there any discount ?

The discount will depend on the quanlity you purchase.

 6.Is there any manual operator?

 Yes,our company provide complete manual operator for the user

 7.How do you control the quality?

Sunshine is a factory of electric equipment for 12years,with the strength of high quality and competitive price.Two optional quality material,one is local made 100%pp,the other is imported.Material and Accessories Inspection upon arrival,in line control on each step,general inspection and fixing before packing,third party inspection acceptable.

 8. What kind of certificates you have?


 9.Can you send us samples?

 All the inverter has been test pass in china before export ,so you can use without test 

 10.Do you have MOQ?

No MOQ,all the MPQ of product is ONE,you can release your order with the flexibility quatity.

 11.How about your packing?

 All the product are packaged with Single by buffers and single small carton, but lots of goods by bigger carton and cover PE film.

 12.how about the delivery?

We have  international express partner(DHL/Fedex),who can help you to deal with the delivery process if needed.

 13.What is your market?

We export to the USA,South America,Europe,the Middle East,Asia,Africa,etcs.

 14.Do you have agents?

 In Chinese, we have established dozens of service centers and more than 100 distribution agencies.

In order to develop the international market,we sincerely invite global customers to join SINO-K

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