1. Introduction
This manual provides essential information for the safe and efficient operation of your OSCAL PowerMax 3600Wh Solar Generator. Please read it thoroughly before using the product. Keep this manual for future reference.
The OSCAL PowerMax 3600 is a high-capacity portable power station designed to provide reliable electricity for various applications, including home backup, outdoor camping, and RV use. It features a durable LiFePO4 battery, multiple output ports, fast charging capabilities, and smart app control.

Figure 1: The OSCAL PowerMax 3600 Solar Generator, showcasing its robust design with integrated wheels and handles for portability.
2. Product Features
- High Capacity & Output: 3600Wh battery capacity with 3600W continuous AC output (6000W peak), capable of powering a wide range of appliances.
- Fast Charging: Recharges from 0-100% in approximately 1.44 hours via 1800W AC input or 1.96 hours with combined AC and 1600W solar input.
- Durable LiFePO4 Battery: Utilizes LiFePO4 battery technology for enhanced safety, stability, and a long lifespan of over 3500 charge cycles (up to 25 years of use).
- Uninterruptible Power Supply (EPS): Features a 5-8ms automatic switchover to battery power during outages, ensuring continuous operation for critical devices.
- Smart App Control: Monitor power usage, control settings, and manage the power station remotely via the dedicated OSCAL smartphone application.
- Versatile Output Ports: Equipped with 14 output sources, including 4 AC outlets (3x20A, 1x30A TT-30), USB-A, USB-C (100W PD), car charger, DC5521, and Anderson output.
- Expandable Capacity: Can be expanded from 3600Wh up to 57600Wh by connecting up to 15 BP3600 batteries (sold separately).
- Portable Design: Integrated handles and wheels facilitate easy transportation.

Figure 2: The PowerMax 3600 providing power to multiple household appliances simultaneously, demonstrating its high output capability.

Figure 3: The PowerMax 3600 connected to solar panels for rapid recharging, highlighting its renewable energy compatibility.
3. What's in the Box
The following items are included with your OSCAL PowerMax 3600 Solar Generator:
- OSCAL PowerMax 3600 Power Station
- AC Charging Cable
- Car Charging Cable
- Solar Charging Cable
- User Manual (this document)
- Warranty Card

Figure 4: Visual representation of the PowerMax 3600 and its included accessories.
4. Setup
- Unpack the Unit: Carefully remove the PowerMax 3600 and all accessories from the packaging.
- Initial Charge: Before first use, fully charge the power station using the provided AC charging cable. Connect the AC charging cable to the AC input port on the unit and then to a standard wall outlet. The display will indicate charging status.
- Download App (Optional): For smart control features, download the OSCAL application from your smartphone's app store. Follow the in-app instructions to pair your device via Bluetooth/Wi-Fi.

Figure 5: The OSCAL PowerMax 3600 being controlled via its dedicated smartphone application.
5. Operating Instructions
5.1 Powering On/Off
- To Power On: Press and hold the main Power button for 3 seconds until the display screen illuminates.
- To Power Off: Press and hold the main Power button for 3 seconds until the display screen turns off.
5.2 Display Information
The integrated display provides real-time information:
- Battery level percentage
- Input/Output wattage
- Estimated remaining runtime/charge time
- Active output port indicators
- Warning indicators (e.g., overload, temperature)
5.3 Connecting Devices
To connect a device, simply plug it into the appropriate output port (AC, USB, DC, etc.) and ensure the corresponding output button on the PowerMax 3600 is activated. The display will show the output wattage.

Figure 6: The PowerMax 3600 demonstrating its 14 multi-function ports with various electronic devices connected.
6. Charging Methods
The PowerMax 3600 offers multiple ways to recharge:
- AC Wall Outlet: Use the provided AC charging cable for fast charging at up to 1800W. A full charge takes approximately 1.44 hours.
- Solar Panels: Connect compatible solar panels (up to 1600W max) using the provided solar charging cable. Charging time varies based on solar intensity and panel wattage.
- Car Charger: Use the provided car charging cable to recharge from your vehicle's 12V outlet. This method is slower and best for maintaining charge or topping up.
7. Output Ports
The PowerMax 3600 is equipped with a comprehensive array of output ports to meet diverse power needs:
- AC Output (x4): Pure sine wave, 3x20A + 1x30A TT-30, 100-120Vac (50Hz/60Hz), 3600W (6000W Peak).
- USB-A Output (x1): 12V Max.
- USB-A Fast Charging (x3): 18W Max per port, total 54W.
- USB-C Output (x2): 100W Max per port, total 200W (Power Delivery).
- Car Charger Output (x1): 12V-10A, 120W Max.
- DC5521 Output (x2): 12V=3A, 36W.
- Anderson Output (x1): 12.6V-30A, 378W Max.
Video 1: An official product video showcasing the various output ports and their applications on the OSCAL PowerMax 3600.
8. Smart App Control
The OSCAL application allows for convenient remote management of your PowerMax 3600:
- Real-time Monitoring: View battery status, input/output power, and remaining runtime directly from your smartphone.
- Remote Control: Turn AC/DC outputs on or off, adjust charging speed, and manage other settings remotely.
- Firmware Updates: Receive notifications and perform firmware updates to ensure optimal performance and access new features.
Video 2: An official product video demonstrating the smart app control features of the OSCAL PowerMax 3600, including remote monitoring and settings adjustment.
9. Battery Information
The PowerMax 3600 utilizes advanced LiFePO4 (Lithium Iron Phosphate) battery technology, offering several advantages:
- Long Lifespan: Rated for over 3500 charge and discharge cycles, providing reliable power for up to 25 years.
- Enhanced Safety: LiFePO4 batteries are known for their superior thermal stability and reduced risk of overheating compared to other lithium-ion chemistries.
- Battery Management System (BMS): An advanced eight-layer safety BMS protects against overcharge, over-discharge, over-voltage, over-current, short-circuit, and temperature fluctuations.
10. EPS (Emergency Power Supply) Function
The PowerMax 3600 features an EPS mode, providing seamless power transition during outages:
- When connected to AC wall power, the unit acts as a pass-through, supplying electricity directly to connected devices.
- In the event of a power outage, the PowerMax 3600 automatically switches to its internal battery power supply within 5-8 milliseconds.
- This rapid switchover ensures that sensitive electronics like computers and medical equipment remain operational without interruption.
11. Expandability
The PowerMax 3600's capacity can be significantly expanded to meet larger power demands:
- Connect up to 15 additional BP3600 batteries (sold separately) to increase the total capacity from 3600Wh to an impressive 57600Wh.
- This modular design allows for flexible power solutions, suitable for extended home backup, off-grid living, or large-scale outdoor events.

Figure 7: Multiple PowerMax 3600 units stacked with expansion batteries, illustrating the system's scalable capacity.
12. Safety Information
Please observe the following safety guidelines to prevent injury or damage to the product:
- Do not use the product near heat sources, such as fire or heating furnaces.
- Avoid contact with any liquid. Do not immerse the product in water or get it wet.
- Do not use the product in an environment with strong static electricity or 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.
- Use only official components or accessories. If you need to replace any components or accessories, visit official OSCAL channels for relevant information.
- It is highly recommended that third-party accessories are purchased from reliable distributors and that they match your product's specifications.
13. Maintenance
- Cleaning: Use a dry, soft cloth to clean the exterior of the unit. Do not use abrasive cleaners or solvents.
- Storage: Store the PowerMax 3600 in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, ensure the battery is charged to 50-80% and recharge every 3-6 months.
- Ventilation: Ensure proper ventilation around the unit during operation and charging to prevent overheating. Do not block the air vents.
14. Troubleshooting
If you encounter issues with your PowerMax 3600, refer to the following common solutions:
- Unit Not Turning On: Ensure the battery is charged. If the battery is depleted, connect to an AC outlet for charging.
- No Output from Ports: Verify that the specific output port (AC, DC, USB) is activated by pressing its corresponding button. Check the display for any error messages.
- Overload Warning: If an overload warning appears, disconnect some devices to reduce the total power draw. The unit will automatically reset after a short period.
- Charging Issues: Ensure charging cables are securely connected. For solar charging, verify solar panel placement and sunlight exposure. Check the display for input wattage.
- App Connectivity: Ensure Bluetooth/Wi-Fi is enabled on your smartphone and the PowerMax 3600. Restart both the app and the power station if connection issues persist.
For persistent issues, contact customer support.
15. Specifications
| Feature | Specification |
|---|---|
| Brand | ECOGREAT (OSCAL) |
| Model Name | PowerMax 3600 |
| Battery Type | LiFePO4 |
| Capacity | 3600Wh |
| AC Output | 3600W (6000W Peak) |
| AC Input (Fast Charging) | 1800W |
| Solar Input (Max) | 1600W |
| Full Charging Time (AC) | 1.44 hours |
| Life Cycles | 3500+ to 80% capacity |
| EPS Switchover Time | 5-8 ms |
| Dimensions (L x W x H) | 23.2" x 13.8" x 17.5" (59 x 35 x 44 cm) |
| Item Weight | 97.9 pounds (44.5 kg) |
| Total Power Outlets | 14 |
| Special Features | Adjustable, Fast Charging, Overload Protection, Portable, USB Port, APP Control, EPS |
16. Warranty and Support
Your OSCAL PowerMax 3600 Solar Generator comes with a 2-year warranty. Please refer to the included warranty card for detailed terms and conditions.
For technical support, troubleshooting assistance, or warranty claims, please contact OSCAL customer service through their official channels or visit the ECOGREAT Store on Amazon.





