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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.

How to choose a right portable power station?

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

This portable solar generator comes with internal MPPT controller system,which help charging efficient.

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?
Contact us
Address:Room 201,Unit 3,Jinhuwan Industrial Park NO.23,Fucheng Street, Longhua New District, Shenzhen,China
Mobile:+86-13823602850
Tel:+86-755-84553083
Fax:+86-755-23595925
Contact:Christal Chu
Skype:segre02
E-mail:segre02@sgrpower.com
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Frequently Asked Question for our solar power generators

Frequently Asked Question for our solar generators


Q1:Using the Wh to mAh conversion formula Q(mAh) = 1000xE(280Wh) / V(12), mAh only appears at 23333.33. This is less than 1/3 of your advertising capacity. Is my math wrong or is your battery capacity seriously lacking?


A:Our products lithium-ion battery pack is made up of 30 lithium batteries with the method of 3 series connection and 10 parallel connections.

So the formula is as following:

280WH=26AH*11.1V (3 string 10 parallel with 2600mAH 18650 batteries). The WH of the mobile power supply is based on the voltage of 3.7V. If it is calculated according to the voltage of 3.7V, then it is 2600MAH* 30 batteries = 78000MAH.


Q2:How long will it work at 85% load?


A:It depends on your device input voltage.This power station is 288wh battery capacity,please check your devices input voltage and current.


Q3:What kind of a “mini cooler”or“mini-fridge”could this unite power?


A:the solar generator AC continuous output is 300w and battery capacity is 288wh.It could power the device which power less than 300w and the time depends on the power of the fridge and the fridge compressor.Normally the power of the compressor is three times that of the fridge.


Q4:Can you use this battery to jump start your cars battery?

A:No,it could not be used to jump start car battery.


Q5:How long does it last on a single charge?


A:It will lasts about 2-3 month if you do not use it after a full charge.


Q6:Can you charge the battery using solar while charging your phone at the same time?


A:Yes,you can.


Q7:Will this be able to power up the router for accessing internet?


A:It can,but now how long it will run will depend upon the current draw of the router.


Q8:Does the battery user replacement?

A:No.it doesn’t.