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    1-Year warranty policy

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Power all your need with GT500

CTECHI GT500 is a 518Wh and 500W portable power station. The weight is only about 15.43lbs.

 GT500 equips with LiFePO4 battery and built-in BMS system, which makes the internal structure more stable

     and safe. 180W dual fast charging technology, using PD 60W and AC 120W at the same time, 

the unit can be fully charged within 3.5 hours. Five ways to charge:AC,DC,PD,PV and wireless charging.


The GT500 has a built-in LED light with four modes, which is also convenient to use in dark environments. Slight-light mode can be used as a night light. Flashlight mode and SOS mode can help you get the attention in case of emergency and get out of danger faster.

LiFePO4 Battery, Safety First

Portable Power Station is equipped with high quality LiFePO4 battery, 6 times longer lifespan pure sine wave inverter and BMS system provide extra protection for you and your equipment.

Wireless Charging

GT500 support Dual 10W wireless charging. 2 wireless chargers for various cell phones, making charging more convenient. Charging and discharging at the same time(Except AC port). It’s a fantastic way to charge your phone at any where and anytime.


Pure Sine Wave

The product's AC output port delivers a pure sine wave, the same as the mains. Compared with the corrected sine wave, the pure sine wave has the characteristics of continuous and stable waveform, which can effectively protect your sensitive equipment (such as CPAP machine and laptop) from harm.

Application Scenorios

Ctechi GT500 is easy to carry,  which is suitable for use in any scenario. 

It is definitely a good helper in your life.


Battery Info:




LiFePO4(Lithium Iron Phosphate)

Life Cycles:

3500+Life Cycles


Recharge to 80% Every 3 Months

Management System:

MPPT Controller, BMS

Management System:

MPPT Controller, BMS


AC Outlets:

2 x 110V /4.5A 500W

Inverter Type:

Pure Sine Wave

Surge Power:


USB-C Port:


USB-A Port:

3 x 5V/2.4A 

DC Outlets:

1 x 12V/10A (Car Outlet)

Wireless Charging :

2x 10W (Max)


AC Charging Cable:


Solar Input:

12-24V/4.5Amax (Recommend 18V 100W)

Car Input:

12V from Cigarette Lighter Port

PD Charging:

60W Max


AC Charging Cable:


Solar (100W):

≈6Hrs (With prime sunshine, ideal orientation and low temperature)

Car Charging:


Dual AC + PD (430W):



Pass through Charging::

YES(accept AC output)





Charging Temperature:

32-104°F (0-40°C)

Operating Temperature:

14-104℉ (-10-40℃)

Storage Temperature:

14-104℉ (-10-40℃)


UL2743 FCC


12 Months

Frequently Asked Questions

 Send us your question by filling out the form below, we will be happy to assist you.

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How do I calculate the up time of my device?

Working time = 518Wh * 0.9 / device's operating power

For example: assuming the device's power consumption is 300W, the working time is 518Wh * 0.9 / 300w = 1.56 hours (approximately)

How do I use the AC output?

Press the power button 3 seconds to turn the unit on. Short press the AC button, the LCD screen will light up with AC indication, you can use the AC outlet, press the AC button again to exit the AC output.

How often do I need to charge the GT500?

CTECHi LiFePO4 portable power can retain more than 50% of its remaining power when fully charged, even after twelve months of non-use. 

However, for the life of the product, we recommend charging the device every 3 months even when you are not using it.

Tips: When the product is drained, it needs to be charged with the wall charger.

Can it charge and discharge at the same time?

YES,(Except for AC charging).

What is the maximum input charging power of the GT500

AC Charging Cable:121.5W

PD Charging: 60W Max

What kind of solar panels should I choose for GT500

12-24V/4.5Amax (Recommend 18V 100W)


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