MARXON G300 User manual

www.marxon.net
G300 Portable Power Station
User Manual
G300

DISCLAIMER
To use the product correctly and properly, make sure you have read the user manual, all safety
tips, instructions, warning messages, terms of use, and disclaimers carefully before using. The
inappropriate operation could result in serious injury to the user or others, or damage to
property or products. All terms and content of this document are considered understood,
recognized, and accepted once you begin using this product. Users take full responsibility for
all usage and operations. In the event the user fails to use the product in accordance with the
User Manual, the company("Marxon") is not liable for any damages caused. In compliance
with laws and regulations, Marxon holds the final explanation right of this document and all
related documents of the product. For the latest product information, please visit Marxon's
official website at www.marxon.net. Products may be updated, revised, or discontinued
without prior notice.

CONTENTS
1. Safety Instruction
3. Getting Started
2. Specifications
4. Troubleshooting
5. FAQs
6. Maintenance & Storage
7. What’s in the Box
1.1. Usage Guide
1.2. Disposal Guide
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3
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5
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3.1. Product Details
3.2. LCD Screen
3.3. Power On/Off
3.4. Product Output Guide
3.5. Product Input Guide
3.4.1. AC Output
3.4.2. USB Output
3.4.3. 12V DC Output
3.5.1. AC Charging
3.5.2. Solar Charging
3.5.3. Car Charging

1. Safety Instruction
1.1Usage Guide
When using the product, please strictly follow the operating environment temperature
specified in this user manual. Do not use the product near a heat source, such as a fire
source or a heating furnace. If the temperature is too high, it may result in a fire or explosion;
if the temperature is too low, the product performance may be severely reduced, or the
product may cease to work.
Liquids should be avoided. Avoid immersing the product in water or getting it wet. The
product should not be used in humid or rainy environments. In the event that the product falls
into the water during use, please place it in a safe open area and do not operate until it is
completely dry. In accordance with Section 1.2 below, the dried product should not be
reused and should be disposed of properly. If the product catches fire, it is recommended to
use dry powder and carbon dioxide fire extinguishers.
Do not use the product in an environment with strong static electricity/magnetic fields.
Do not disassemble the product in any way or pierce the product with sharp objects.
Avoid using wires or other metal objects that may result in a short circuit.
Do not use unofficial components or accessories. If you need to replace any components or
a
Do not lock the fan forcibly during use or place the product in an unventilated or dusty area.
Please avoid impact, falls, or severe vibrations when using or transporting the product. In
case of a severe external impact, turn off the power supply immediately and stop using the
product.
Rest the product on a flat surface to prevent damage from falling over. In the event that the
product is overturned and severely damaged, turn it off immediately and stop using the
product, place it in an open area, keep it away from combustible materials and people, and
dispose of it in accordance with local laws and regulations.
Do not move the product during use. Movements may lead to poor contact with the output
ports of the product.
If the product input or output ports are dirty or if it needs to be cleaned, please wipe the
product with a dry, soft, clean cloth or paper towel after it has been turned off.
Be sure to check the product's integrity and the integrity of the accessories before each use.
If the product or the accessories are damaged or broken, do not use them.
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ccessories, please contact [email protected] to get further help from the official professionals.

1.2Disposal Guide
If conditions permit, make sure that the battery is fully discharged before disposing of it in a
designated battery recycling bin. The product contains batteries with potentially harmful
chemicals, it is strictly prohibited to dispose of it in ordinary trash cans. For more details,
please follow the local laws and regulations on battery recycling and disposal.
If the battery cannot be fully discharged due to a product failure, please do not dispose of the
battery directly in the battery recycling bin. In such a case, you should contact a professional
battery recycling organization for further processing.
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2.
During thunderstorms or stormy weather, please disconnect the AC charging or solar
charging. If the product is struck by lightning, it may cause electric shock, fire, and other
accidents.
Ensure that the product is kept out of reach of children and pets.
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2

2. Specifications
General Information
Output Ports
Input Ports
Environmental Operating Temperature
Cell Chemistry
Cycle Life
Capacity
Dimensions
Net Weight
Certification
Protection
USB-A (x2)
USB-A Fast Charge (x1)
USB-C (x1)
DC Output
AC Charge
Solar/Car Input
Solar Drive Mode
Solar/Car Input Port Type
Optimal Operation Temperature
Storage Temperature
Charging Temperature
Discharging Temperature
150W max, 60Hz, 100V~132V
120W max, 11V-25V DC, 8A max
MPPT
Anderson
68 86
o o
F- F
4 113 F
o o
- F-
32 113
o o
F- F
4 113
o o
- F- F
5V 2.4A, 12W, per port
20V 3A, 60W
20V 5A, 100W
12V 10A, 120W
Lithium-ion Cell
800 Cycles to 80%+ Capacity
25.2V 12AH (300Wh)
271*179*232mm
Approximately 12.12lbs (5.5Kg)
FCC, UL
Over Voltage Protection, Overload Protection,
Over Temperature Protection, Short Circuit Protection,
Low Temperature Protection, Low Voltage Protection,
Overcurrent Protection, Overcharge Protection,
Over Discharge Protection
Pure Sine Wave, 300W total (surge 600W), 120V, 60Hz
AC (x2)
3

G300
3. Getting Started
3.1Product Details
Front
Sides
LCD Screen
12V DC
Output Port
Cooling Fan
Lighting
Cooling Fan
Anderson
Input Port
Lighting Button
Type-C Port
Main Power
Button
AC Input
Port
DC Output Button
AC Output
Button
USB-A Ports
AC Output
Ports
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3.2LCD Screen
3.3Power On/Off
Press and hold the Main Power Button for 2 seconds to turn the product on or off.
Battery Power Level Remaining Charge/
Discharge Time
Input Power
Output Power
Battery Failure
Warning
Remaining Battery
Percentage
AC Output
Output Frequency
High Temperature
Warning
Error Warning
AC Input
Fan Indicator
Low Temperature
Warning
DC Output
USB Indicator
Emergency Lighting
5
G300

3.4Product Output Guide3.4Product Output Guide
3.4.1AC Output
Make sure the main power is turned on before using the product.
Short press the AC Output Power Button to turn the AC output on, short press AC Output Power
Button again to turn it off. The screen will display the AC output indicators and the current output
wattage. To avoid unnecessary power waste, please turn off the AC output when it’s not in use.
Short Press AC Power Button
AC Output Enabled
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3.4.312V DC Output
Short press the DC Output Button to turn on or off DC output. A DC output indicator will be
displayed on the screen when the DC output is enabled.
Note: Excess rated current of the devices may trigger overcurrent protection of the product and it
will stop the DC output.
12VDC Enabled Output Short Press DC Output Button
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3.4.2USB Output
After the product is turned on, the USB Output will be automatically enabled and a USB output
indicator will be displayed on the screen. With 2 x 12W USB-A ports, 1 x 60W USB-A fast charging
port, and 1 x 100W USB-C charging port, the product supports most fast-charging protocols.
Only if the USB output exceeds 5W, the current USB output power will be displayed on the screen.
USB Output Enabled
G30 0

3.5.1AC Charging
The intelligent fast-charging technology of Marxon G300 supports a maximum AC input power of
150W and charges the product fully in under 2.5Hrs.
Please use the official Marxon cable for AC charging. Directly plug the product through an AC cable into the wall
outlet that supports a current over 10A. Marxon is not responsible for any damage caused by using unofficial
matching charging cables or operating the product otherwise than according to specifications.
3.5Product Input Guide
AC Input Indicators
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3.5.2Solar Charging
Note: Marxon G300 comes with a built-in 120W MPPT. Do not use solar panels with extra MPPT.
Marxon is not responsible for any damage caused by the use of unofficial charging cables and the
use of non-standard operating methods.
Users can charge the product by connecting multiple solar panels in parallel. Solar panels should
have the same voltage ranging from 11-25V, and we suggest the total wattage should not exceed
120W. The maximum voltage of single or parallel solar panels should not exceed 25V, otherwise,
there is a risk of damaging the product. You can find more connection guide information in the Solar
Panel User Manual or on our official website at www.marxon.net.
Solar Input Indicator
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3.5.3Car Charging
Users can charge the product through the cigarette lighter port. Be sure to ignite the car before
using the car charger in case the car battery loses power and will not start. Meanwhile, users
should check the 12V Anderson Input Port, car charging cable, and cigarette lighter for good
contact. In the event that the standard operation is not followed, Marxon will not be held liable for
any losses resulting therefrom.
Car Input Indicator
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4. Troubleshooting
Indicator/Content Problem Solution
No response after pressing the
button.
Icon flashes.
Icon flashes.
AC output wattage can’t be
displayed
Icons flash together.
Icons are not displayed.
Icons flash together.
Icons flash together.
Icon stays on.
Icon is not displayed.
Battery Level Indicator does
not scroll.
Icon stays on.
Icon stays on.
AC Input Failure
System Halted
Battery Failure
Inverter Failure
AC Output Failure
AC Output
Overload Protection
Over Temperature
Protection
AC Output
Overcurrent
Protection
DC Input Failure
Battery Failure
Check the connection between the
main socket with Marxon G300 and the
connection between the main socket
with AC charging cable.
After discharging the the product until the
battery is drained, recharge the product
and restart it.
Please restart Marxon G300 after
removing the AC Input & Solar Input.
If the error hasn't been fixed, please
contact Marxon support team.
Please restart Marxon G300 after
removing the AC Input & Solar Input.
If the error hasn't been fixed, please
contact Marxon support team.
Contact Marxon Support Team.
Normal operation will be resumed
automatically after you remove the
overloaded device and restart the G300.
Electrical devices should be used
within rated power range.
Please confirm whether the fan inlet and
outlet are blocked, if not, normal operation
will be resumed automatically after the
temperature of G300 drops.
After removing the devices, restart the
G300 to check if normal operation has
resumed. After that, if the G300 is working
normally, please check your devices, and
if not, please contact Marxon's support
team.
Contact Marxon Support Team.
Check and make sure the DC input is
connected with the correct polarity.
Check whether the solar panel or car
lighter port works properly.
Let the G300 cool down for 2 hrs before
recharge.
Contact Marxon Support Team.
Battery Failure
High Temperature
Charge Protection
Icon stays on.
Icon stays on.
The AC output port cannot power
the devices normally.
Marxon G300 cannot be charged
by either the solar panel or the
car input.
AC input wattage can't be
displayed, and AC charging fails.
The AC output port cannot power
the devices normally.
The AC/DC output port cannot
power the devices normally.
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Indicator/Content
USB-A Output Failure
USB-C Output Failure
Unable to power on
during discharging
Unable to power on
during charging
Problem Solution
USB-A Overload
Protection
USB-C Overload
Protection
Discharging
Overheat
Protection
Charging
Overheat
Protection
USB-A output will be resumed automatically
after you remove the overloaded device and
restart G300.
Do not use electrical devices that exceed the
rated wattage of G300.
USB-C output will be resumed automatically
after you remove the overloaded device and
restart G300.
Do not use electrical devices that exceed the
rated wattage of G300.
Remove G300 from a high-temperature
environment.
Give it 2hrs to cool down and then restart
G300 without connecting to other devices.
Remove G300 from a high-temperature
environment.
Give it 2hrs to cool down before recharge.
Remove G300 from a low-temperature
environment.
o
After the battery temperature rises to 10.4 F
and above, restart G300 without connecting
to other devices.
Remove G300 from a low-temperature
environment.
Restart charging after the battery temperature
o
rises to 41 F and above.
Discharging
Low-Temperature
Protection
Charging
Low-Temperature
Protection
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6. Maintenance & Storage
Please store the product in an environment temperature between 68°F to 86°F, away from water,
intense heat, and other sharp objects.
If the remaining battery is less than 1%, please recharge it to 60% before storing it. If the product is
left idle for a long time with a severely low battery, irreversible damages may be caused to the
battery cell and the product’s service life will be shortened.
For long-term storage, please check the battery level of the product every three months. If the
battery level is lower than 30%, please recharge it to 60% before storing.
If G300 has been idle for too long and the battery is severely low, it will enter the hibernation mode.
In such case, please recharge before use.
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What devices can Marxon G300’s AC output port power?
With 300W rated wattage and 600W peak power, the product’s AC output port can power most
small to medium devices. Before you use it, we recommend that you confirm the power of the
devices first and ensure the power sum of all loaded devices is lower than the rated wattage.
How long can Marxon G300 charge my devices?
The LCD screen of G300 will display the power level and the use time. The actual power
consumption depends. Users can estimate the power supply time through the rated power of
the devices.
How can I know if Marxon G300 is charging?
While charging, the LCD screen displays a scrolling power indicator icon. The battery percentage
will gradually increase, and the input power will be displayed.
How to store Marxon G300?
Before storing, please turn off the product first, and then store it in a dry, ventilated place at
room temperature. Do not place it near water sources. For long-term storage, please discharge
the battery to 30% and recharge it to 60% every three months to extend its battery life.
Can I carry on board?
No.
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5. FAQs
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7. What’s in the Box
Marxon G300 x 1 AC Charging Cable x 1 User Manual x 1
Car Charging Cable x 1
G300
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www.marxon.net
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