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How to select portable power station for your CPAP machine when camping at outside.

How to select portable power station for your CPAP machine when camping at outside.

When a Pure Sine Wave Inverter Is Necessary

Most devices will work just fine without a pure sine wave inverter, but it is a good idea to think about the issue before making a purchase anyway.

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How to choose a right portable power station?

the forest fire in California result 2 million people in power outage

the forest fire in California result 2 million people in power outage

Solar Generator Safety and Protection Fuction

With this function, Even though consumers connect this power station to the rooftop solar system (voltage over 25V, power over 200W), it will not cause any risk of fire and smoke, etc.

Solar Power Interenational 2019

On behalf of our company ,We hereby sincerely invite you and your company representatives to visit our booth at Salt Palace Convention Center from Sep 23rd to 26th,2019.

2019 Hong Kong Autumn Electronics Fair

On behalf of our company ,We hereby sincerely invite you and your company representatives to visit our booth at Wan Chai HK Convention and Exhibition Center from Oct 13th to 16th,2019.

Portable Energy Storage Solar Power Generator Buying Guide

Portable solar energy storage power sources have many advantages, but they are not suitable for all purposes. Ask yourself the following questions to determine if a portable solar energy storage power source is right for you and which type is best for your needs.

Frequently Asked Question for our solar power generators

Frequently Asked Question for our solar power generators

New Arrival Outdoor Camp Mobile Laptop Charging 300W Portable Solar Generator

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Intersolar Munich 2019

On behalf of our company ,We hereby sincerely invite you and your company representatives to visit our booth at Intersolar Munich 2019 from May 15th to 17th,2019

Hong Kong Spring Electronics Fair 2019

Here, we will visit the booth of the Hong Kong Convention and Exhibition Centre on behalf of you and your company from April 13 to 16, 2019.

What's The Difference between Pure Sine Wave and Modified Sine Wave?

What's The Difference between Pure Sine Wave and Modified Sine Wave?
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When a Pure Sine Wave Inverter Is Necessary


Most devices will work just fine without a pure sine wave inverter, but it is a good idea to think about the issue before making a purchase anyway. First, it’s important to understand why the differences between pure sine wave inverters and modified sine wave inverters can cause problems.





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The two main issues at hand are efficiency and undesired interference from the additional harmonics present in a modified sine wave. That means that a pure sine wave inverter is good at two things: efficiently powering devices that use the alternating current input without rectifying it first, and powering devices like radios that can suffer from interference.Some useful questions to ask yourself in order to determine if you need a pure sine wave inverter include:






1.Does my device or appliance use a motor?




2.Is my device a delicate piece of medical equipment?




3.Does my device or appliance use a rectifier?




4.Can my device be powered by a DC adapter?






If you answered yes to either of the first two questions, you may need a pure sine wave inverter. If you answered yes to either of the second questions, then you’ll probably be fine without one.




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While a modified sine wave inverter will get the job done in almost every circumstance, there are some cases where it may cause damage or just not be very efficient. The primary category of devices that run more efficiently with a pure sine wave inverter is electronics that use AC motors, like refrigerators, compressors, and microwave ovens. They’ll still work in most cases, but they may not work as efficiently, which may lead to excess heat buildup and the potential for associated damages.



If you use a CPAP machine, especially one that includes a heated humidifier, then you’ll probably want to go with a pure sine wave inverter to avoid damaging the unit. It’s always a good idea to check the recommendations of the manufacturer, but most CPAP manufacturers recommend going with a pure sine wave inverter.