Important Safety Instructions
Please read all safety instructions carefully before operating the MARBERO Portable Power Stations M82 and M823. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Do not disassemble, repair, or modify the unit. Incorrect reassembly may cause fire or electric shock.
- Do not place the unit near fire or expose it to heat. Keep out of direct sunlight.
- Do not charge, use, or store the unit in a bathroom or in an area exposed to rain or moisture.
- Use only the original charger and cables provided or approved by MARBERO.
- Do not use the unit if it is damaged or has been dropped.
- Keep the unit away from children and pets.
- Ensure proper ventilation during use and charging to prevent overheating.
- Dispose of the product according to local regulations. Do not dispose of with household waste.
Product Overview
The MARBERO Portable Power Stations M82 and M823 are designed to provide reliable power for various applications, from home backup to outdoor emergencies. The M82 offers 80W output and 88Wh capacity, while the M823 provides 300W output and 237Wh capacity, making them versatile power solutions.

Image showing the MARBERO M82 portable power station connected to various devices, including a mini-fridge and a drone, demonstrating its multiple output capabilities.
Package Contents
Please check that all the following items are included in your package:
- MARBERO Portable Power Station M82
- MARBERO Portable Power Station M823
- AC Power Adapter
- Car Charger Cable
- User Manual
Product Features
MARBERO M82 Features
- Efficient Charging: The M82 can be charged from 0% to 80% in approximately 2 hours using the included AC adapter. It supports simultaneous charging of the unit and other devices. Compatible with MARBERO's dedicated 30W or 60W solar panels for outdoor charging.
- Compact & Portable Design: With super slim dimensions of 6.5 x 4.6 x 3.1 inches and a lightweight plastic case (3.2 lbs), the M82 is highly portable, featuring an ergonomic handle for easy transport.
- Multi-Output: Equipped with 8 output ports for simultaneous use, including AC, DC, USB, and USB-C PD ports. The built-in Battery Management System (BMS) ensures stability and safety.

Image illustrating the compact size of the MARBERO M82 power station, comparing its dimensions to a DSLR camera and showing it being placed into a backpack.
MARBERO M823 Features
- Enhanced Capacity and Power: The M823 is an upgraded model offering 300W continuous power (375W Max) and a larger 237Wh capacity (equivalent to 64,000mAh, 3.7V).
- Portable Design: Features a compact cuboid size (8.15 x 5.83 x 3.90 inches) and a light weight of 4.6 lbs, designed for easy handheld carrying or backpack transport.
- LED Camping Lantern: Includes two integrated LED flashlights. One on top with 2 brightness levels, and another on the side with 3 brightness levels and 3 lighting modes (steady, twinkling, and SOS).

Image demonstrating the bright LED flashlight feature of the MARBERO M823 power station, highlighting its constant and SOS modes with different brightness levels.

Detailed image showcasing the two LED lights on the MARBERO M823 power station and explaining its four lighting modes: low, moderate, bright, and SOS blinking.
Setup Guide
1. Unpacking
Carefully remove the power station and all accessories from the packaging. Inspect for any damage during transit. If any items are missing or damaged, contact customer support immediately.
2. Initial Charge
Before first use, fully charge your MARBERO Portable Power Station. Connect the included AC power adapter to the DC input port on the power station and plug it into a wall outlet. The battery indicator will show charging progress. Once fully charged, disconnect the adapter.
Operating Instructions
Charging the Power Station
Your MARBERO power station can be charged using the following methods:
- AC Wall Outlet: Connect the provided AC adapter to the DC input port and then to a standard wall outlet.
- Solar Panel: For outdoor charging, connect a compatible MARBERO 30W or 60W solar panel (sold separately) to the DC input port. Ensure the solar panel is placed in direct sunlight for optimal charging efficiency.

Image depicting the MARBERO power station being charged by a solar panel in an outdoor setting, emphasizing its solar charging capability.
Using Output Ports
To power or charge your devices, press the corresponding output button (AC, DC, USB) to activate the ports. The indicator light for the activated output will illuminate.
- AC Output: Plug your AC-powered appliances (e.g., small TVs, game consoles, projectors) into the AC outlets. Ensure the total wattage does not exceed the power station's rated output (M82: 80W, M823: 300W).
- DC Output: Use the included car DC charger output cable to power 12V devices such as car fridges, vacuum cleaners, or air compressors.
- USB & USB-C PD Output: Connect your mobile phones, tablets, laptops, and other USB-powered devices to the USB-A or USB-C PD ports for fast charging.

Image showing the MARBERO power station simultaneously charging multiple devices such as a laptop, smartphone, Nintendo Switch, and tablet, illustrating its multi-device charging capability.
Using LED Lights (M823 Only)
The M823 model features two LED flashlights for illumination:
- Activating Lights: Press the dedicated LED flashlight button to turn on the lights.
- Switching Brightness/Modes: Subsequent presses of the LED flashlight button will cycle through different brightness levels (2 for the top light, 3 for the side light) and special modes (twinkling, SOS for the side light).
Maintenance and Storage
Cleaning
Wipe the exterior of the power station with a dry, soft cloth. Do not use abrasive cleaners or immerse the unit in water.
Storage
Store the power station in a cool, dry place, away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to charge the unit to approximately 50-80% every 3-6 months to maintain battery health.
Battery Care
To prolong battery life, avoid fully discharging the unit frequently. Recharge the unit promptly after use, especially after significant discharge.
Troubleshooting
- Unit Not Charging:
- Ensure the AC adapter or solar panel is properly connected and functioning.
- Check if the wall outlet or solar panel is providing power.
- Verify that the charging indicator lights are active.
- No Output from Ports:
- Ensure the specific output button (AC, DC, USB) for the port you are using is pressed and its indicator light is on.
- Check if the device you are trying to power is within the power station's wattage limits.
- Verify that the power station has sufficient battery charge.
- LED Lights Not Working (M823):
- Press the LED flashlight button to activate the lights.
- Ensure the power station has enough battery charge.
If you encounter issues not covered here, please refer to the warranty and support section for assistance.
Specifications
| Feature | MARBERO M82 | MARBERO M823 |
|---|---|---|
| Brand | MARBERO | MARBERO |
| Wattage | 80 Watts | 300 Watts |
| Starting Wattage | N/A | 375 Watts |
| Capacity | 88Wh | 237Wh (64,000mAh, 3.7V) |
| Power Source | AC Adapter, Solar Powered | AC Adapter, Solar Powered |
| Engine Type | Inverter | Inverter |
| Total Power Outlets | 8 | Multiple (AC, DC, USB, USB-C PD) |
| Dimensions (L x W x H) | 6.5 x 4.6 x 3.1 inches | 8.15 x 5.83 x 3.90 inches |
| Weight | 3.2 lbs | 4.6 lbs |
| Item Model Number | M82 | M823 |
Warranty and Support
MARBERO products are designed and manufactured to the highest quality standards. This product comes with a limited warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official MARBERO website.
For technical support, troubleshooting assistance, or warranty claims, please contact MARBERO customer service. Contact details can typically be found on the product packaging, the official MARBERO website, or through your retailer.