Introduction
Thank you for choosing the MARBERO M138MAXSL30 Portable Solar Generator. This manual provides essential information for the safe and efficient operation of your device. This portable power station, equipped with a 30W solar panel, offers a reliable power source for various applications, including outdoor activities, travel, home backup during blackouts, and emergency situations.
Please read this manual thoroughly before using the product and retain it for future reference.
Product Overview
The MARBERO M138MAXSL30 is a compact and lightweight portable power station featuring a 111Wh (3.7V 30000mAh) lithium-ion battery pack. It provides multiple output ports to charge a wide range of electronic devices and small appliances. The included 30W foldable solar panel allows for convenient recharging using solar energy.

Image: MARBERO M138MAXSL30 Portable Solar Generator with 30W Solar Panel. This image displays the main unit and the foldable solar panel, highlighting its compact design.
Setup
Initial Charging
Before first use, fully charge the power station using one of the available methods. The unit is typically shipped with a partial charge, but a full charge is recommended for optimal performance.
Charging Methods
- AC Wall Socket: Connect the included Power Adapter to the DC input port (12-26V) on the power station and then to a standard AC wall socket. Charging from 0-80% takes approximately 3 hours.
- Car Charger Adapter: Use the included Car Charger Adapter to charge the unit from your vehicle's 12V outlet. This method is primarily for emergency use and requires the car engine to be running. Charging from 0-80% takes approximately 4 hours.
- Solar Panel: Connect the included 30W Solar Panel to the DC input port (12-26V) of the power station. Ensure the solar panel is placed in direct sunlight for maximum efficiency. Charging from 0-80% takes approximately 4 hours.

Image: Illustration of the three charging methods for the MARBERO M138MAXSL30 power station: solar panel, car outlet, and wall outlet, with approximate charging times.
Operating Instructions
Turning On/Off
Press and hold the power button on the front panel to turn the unit on or off. The LCD display will illuminate, showing battery level and output status.
Output Ports
The power station features 6 output ports for versatile charging:
- 2 x 110V AC Output Ports: For AC appliances up to 100W (150W peak). Press the 'AC' button to activate.
- 2 x QC3.0 USB-A Output Ports: 5V/3A, 9V/2A (18W max).
- 1 x PD3.0 USB-C Output Port: 5V/3A, 9V/2A (18W max).
- 1 x PD3.0 USB-C Output Port: 5V/3A, 9V/3A (30W max).
To activate DC outputs (USB-A, USB-C, 12V/10A car port), press the 'DC' button. The respective indicators on the LCD screen will light up.

Image: Diagram illustrating the various output ports on the MARBERO M138MAXSL30 power station, including AC, USB-A, and USB-C ports.
LED Flashlight
The unit includes a built-in LED flashlight with 3 levels of brightness (low, medium, high) and an SOS mode. Press the flashlight button to cycle through brightness levels and activate SOS mode. The flashlight can last for 46-85 hours depending on the brightness setting.
Performance and Usage
The 111Wh capacity battery can charge a mobile phone approximately 10 times, a tablet about 6 times, a laptop about 7 times, or a camera about 17 times. It can also power a 10W light bar for about 11 hours, a 3W mini fan for about 37 hours, or an 18W mini refrigerator for about 6 hours.

Image: The MARBERO M138MAXSL30 power station connected to and charging multiple devices, including a laptop, phone, and mini-fan, demonstrating its versatility.
Usage Scenarios
This portable power station is ideal for:
- Camping and outdoor adventures
- Road trips and RV travel
- Home backup during power outages
- Emergency situations (e.g., car breaks down, hurricane preparedness)

Image: The MARBERO M138MAXSL30 power station shown in various outdoor settings, such as camping and hiking, illustrating its portable nature and suitability for different travel scenarios.
Safety Features
The MARBERO M138MAXSL30 is equipped with multiple safety protections to ensure safe operation and protect your devices:
- Over-voltage protection
- Under-voltage protection
- Over-current protection
- Over-load protection
- Over-temperature protection
- Short-circuit protection
The product has undergone various certifications including CE, FCC, RoHS, PSE, MSDS, and UN38.3.
Specifications
| Feature | Detail |
|---|---|
| Brand | MARBERO |
| Model Name | M138MAXSL30 |
| Battery Type | Lithium-ion |
| Capacity | 111Wh (3.7V 30000mAh) |
| AC Output | 110V, 100W (150W Peak) |
| USB-A Output | 2 x QC3.0 (18W) |
| USB-C Output | 1 x PD3.0 (18W), 1 x PD3.0 (30W) |
| DC Input | 12-26V |
| Solar Panel | 30W (16.5V/1.82A) |
| Product Dimensions | 6.12"L x 3.69"W x 4.17"H |
| Item Weight | 2.27 lbs (Power Station), 2.19 lbs (Solar Panel) |
| Operating Temperature | 14°F to 104°F (-10°C to 40°C) |
Maintenance
To ensure the longevity and optimal performance of your MARBERO M138MAXSL30, follow these maintenance guidelines:
- Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the unit to strong impacts.
- Clean the exterior with a soft, dry cloth. Do not use abrasive cleaners or immerse the unit in water.
- For prolonged storage, recharge the unit every 3-6 months to maintain battery health.
Troubleshooting
If you encounter any issues with your power station, refer to the following common troubleshooting steps:
- No Power Output: Ensure the unit is turned on and the specific output (AC or DC) is activated. Check if the battery level is sufficient.
- Not Charging: Verify that the charging cable is securely connected to both the power station and the power source. Ensure the power source is active. For solar charging, confirm the panel is in direct sunlight and clean.
- Overload Protection Activated: If an output port stops working, it might be due to an overload. Disconnect the device, turn off the output, and then reactivate it. Ensure the connected device's power consumption does not exceed the port's maximum output.
Warranty and Support
The MARBERO M138MAXSL30 Portable Solar Generator comes with a lifecycle of over 500 charges and a standby time of over 15 months. The battery is designed for a lifespan of over 10 years under proper care.
For warranty claims or technical support, please refer to the contact information provided with your purchase documentation or visit the official MARBERO website.
Official Product Videos
MARBERO Portable Power Station Review
Video: An honest review of the MARBERO portable power station, showcasing its features and performance.
Solar Power Station Review
Video: A detailed review of the solar power station, highlighting its capabilities and benefits.