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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Longchi
  • Model Number: LCNB-500W
  • Output Power: 401 - 500W
  • Output Type: Triple
  • Size: 142*114*47mm
  • Weight: 406g
  • Input Voltage: 10-15V/22V-25V
  • Output Voltage: 100V-120V/220V-240V
  • Type: DC/AC Inverters
  • Output Frequency: 50/60HZ
  • Output Current: <0.3A/0.6A
  • Name: variable frequency drive solar inverter manufacturer
  • waveform: modified sine wave
  • built-in fuse: 10A/20A30A/35A/40A
  • Undervoltage alarm: 10.4-11V
  • Off low pressure: 9.7-10.3v
  • No-load consumption: 12V input
  • largest effect: >90%
  • shutdown over-volatge: 14.5-15.5v
  • certificate: CE,ROHS,SGS
  • warranty: one year

Packaging & Delivery

Packaging Details in color carton box
Delivery Time 1-2 weeks after the order confirmed

Modified Sine Wave 500W 12VDC to 220VAC Inverter

Product Description


output voltage100v-120v/220v-240v
frequency 50/60HZ
waveformmodified sine wave
input voltage10-15v/22v/25v
built-in fuse 10A/20A/30A/35A/40A
undervoltage alarm10.4-11v
off low pressure9.7-10.3V
no-load current <0.3A/0.6A
no-load consumption12v input
largest effect>90%
continuous output power80w/100w/150w/160w/200w/300w/500w/600w/800w/1000w/1200w/1500w/1600w/1800w
30 minutes of continuous power160w/200w/300w/320w/400w/600w/1000w/1200w/1600w/2000w/2400w/3000w/3200w/3600w
volume(length width height)130*95*55/170*95*55/195*95*55/320*155*55/350*150*55/92*63*38
weight406grams/464 grams/599 grams/1650 grams/1750 grams/3510 grams






Packaging & Shipping











The electric appliance doesn't work 

and the converter light is out 

bad battery

check the battery,change a new one according to the specific 


polarity reversed

check the battery connection.The inverter may be damaged, 

change a new one or repair it

loose junctioncheck the wire cable and links, tightened the binding post

The electric appliance doesn't work 

but the converter light is on 

AC product's rated power is over inverter nominal 

power which will cause overload shutdown

use the electric appliance which power is less than nominal power

electrical power inverter is less than nominal power or 

peak power is too high which cause overload shutdown 

use the same surge power as the inverter
the battery is use uprechange or replace it

high temperature caused by poor ventilation which 

makes the inverter shutdown

cool it for 15 minutes and remove the items around the fan and 

inverter. Put the inverter in a cool place as required. Restart it.

input voltage is too high

check the status of charging system, battery output voltage 12v

The converter output voltage is too 


general measurement of the voltage meter givers 

small measurement range

get the output square-wave converter applictions, use "true RMS multimeter"

in order to obtain accurate data

the warning of inverterlow-voltage or over-temperature protection

shorten guide line length or use more coarse cable.Jump the 

battery, cool the inverter, improve its atmospheric conditions. 

Put the inverter in the shade and reduce the load according to 

the demand.

Inverter only can drive low-power AC productsthe voltage attenuation by a short length of wireuse bold wire or shorten the cable length
battery usage is too short   inverter rated load is larger than the use of large-capacity batterybad battery, change the damaged battery
the battery is not recharged to be fulluse better smart charger
the battery is damagedchange a new one
the voltage is attenuate through the wireshorthen the length of wire or use more coarse wire 
Company Information

Zhejiang Long Chi Technology Co., Ltd. , located in Huzhou, Zhejiang Province, is specialized  in manufacturing solar panels, solar systems. We have got CE,SGS and ROHS. The quality of our products can be guaranteed.

Our products sell well overseas, including Europe, South America, Africa and Mid-east, and receive high praise from customers.

Our Principle is to get win-win situation. 




Usage of inverter

a. turn the inverter switch to "off"position, and then plug the inverter DC Plug into the car cigarette lighter socket, make surte that they are firmly linked.


b. make sure the electrical power of equipment you use is under the electrical power of the inverter. Plug the AC product you want to operate into the AC 220V outlet of the inverter and switch it on.


c. switch the inverter on, the green light indicates that it is working normally.


d. the red FAULT light indicates that inverter shut off which is caused by low or high voltage, overload or excessive temperature.


e. in many cases, because of the  limitation of voltage from the car cigarette lighter, it may shutdown automatically and the red light will be lighted.

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