1. Introduction
This manual provides essential instructions for the safe and efficient use of your EF ECOFLOW River 3 Plus Portable Power Station Extra Battery EB600. Please read this manual thoroughly before operating the device and retain it for future reference.
The EB600 is designed to expand the energy storage capacity of your River 3 Plus Portable Power Station or function as an independent power source for small devices.

Image 1.1: The EF ECOFLOW River 3 Plus Extra Battery EB600.
2. What's in the Box
- RIVER 3 Plus Extra Battery EB600 (572Wh)
- Quick Start Guide
3. Setup and Connection
3.1 Connecting to RIVER 3 Plus
The EB600 extra battery is designed for seamless integration with the RIVER 3 Plus Portable Power Station using Pogo Pin technology. This allows for a cable-free connection.
- Ensure both the RIVER 3 Plus and the EB600 are powered off.
- Remove the protective rubber covers from the expansion port on the RIVER 3 Plus and the corresponding connection area on the EB600.
- Align the RIVER 3 Plus directly on top of the EB600, ensuring the Pogo Pins connect securely. The units should click into place without the need for additional cables or screws.
- Once connected, the combined unit will function as a single power station with increased capacity.

Image 3.1: Illustration of connecting the EB600 to the River 3 Plus via Pogo Pins.

Image 3.2: Detailed view of the Pogo Pin connection mechanism.
3.2 Initial Charging
It is recommended to fully charge the EB600 before its first use. Refer to the 'Charging Methods' section for detailed instructions.
4. Operating Instructions
4.1 Expanded Capacity with RIVER 3 Plus
When connected to the RIVER 3 Plus, the EB600 expands the total energy storage to 858Wh (286Wh from RIVER 3 Plus + 572Wh from EB600). This allows for extended operation of various devices.
- Example Usage:
- Car fridge (60W): Approximately 10.8 hours
- Travel kettle (60W): Approximately 60 minutes
- NAS Server (40W): Approximately 15.6 hours
- Game Console (100W): Approximately 6.6 hours
- Desktop Computer (600W): Approximately 1 hour

Image 4.1: The combined River 3 Plus and EB600 unit powering a workstation.

Image 4.2: Visual representation of capacity expansion options for the River 3 Plus.
4.2 Independent Use
The EB600 can be used independently without the RIVER 3 Plus. It features a built-in 140W USB-C port for both charging small devices and recharging the battery itself.

Image 4.3: The EB600 operating independently, charging a mobile device via its USB-C port.
4.3 Charging Methods
The EB600 offers flexible charging options:
- Direct USB-C Charging: Use the built-in 140W USB-C port to recharge the EB600 independently. A full charge from 0-100% takes approximately 7 hours.
- Via RIVER 3 Plus (AC Outlet): When connected to the RIVER 3 Plus, the combined unit can be charged via an AC wall outlet. A full charge from 0-100% takes approximately 2.3 hours.
- Via RIVER 3 Plus (Solar): When connected to the RIVER 3 Plus, the combined unit can be charged using compatible solar panels. A full charge from 0-100% takes approximately 4.8 hours with a 220W solar input.
- Via RIVER 3 Plus (Car Charger): When connected to the RIVER 3 Plus, the combined unit can be charged using a car charger. A full charge from 0-100% takes approximately 9.8 hours with a 220W input.

Image 4.4: The 140W USB-C port on the EB600, used for both input and output.

Image 4.5: The EB600 being recharged via its 140W USB-C port.

Image 4.6: The River 3 Plus and EB600 combined unit recharging from an AC wall outlet.

Image 4.7: The River 3 Plus and EB600 combined unit recharging using solar panels.

Image 4.8: The River 3 Plus and EB600 combined unit recharging from a car charger.
5. Maintenance
5.1 Battery Lifespan and Care
The EB600 utilizes LiFePO4 (LFP) battery chemistry, providing a long lifespan of over 3000 charge cycles, equivalent to approximately 10 years of daily use. To maximize battery life:
- Avoid storing the battery at extremely high or low temperatures.
- For long-term storage, maintain a charge level between 30% and 80%.
- Recharge the battery at least once every 3-6 months if not in regular use.

Image 5.1: Visual representation of the 10-year lifespan and 3000+ cycles of the LFP battery.
5.2 Cleaning
Use a dry, soft cloth to clean the exterior of the EB600. Do not use harsh chemicals or abrasive materials. Ensure all ports are free from dust and debris.
6. Safety and Protection
The EB600 is built with robust safety features:
- X-Guard Protection: Features real-time monitoring and 40 protective measures, including safeguards against overheating and short circuits.
- IP65 Waterproof Rating: The battery pack itself is IP65 rated, protecting against water splashes. Note: The entire device is not fully waterproof.
- UL 94V-0 Rated Casing: Designed to withstand extreme heat.
- Drop Tested: Rigorously tested to withstand drops up to 3.3 ft without damage.

Image 6.1: Overview of the EB600's sturdy and durable design, highlighting IP54 (note: product description says IP65, image says IP54, using product description) waterproof, fireproof, and drop-proof features.
7. Troubleshooting
If you encounter issues with your EB600, consider the following:
- Device Not Powering On: Ensure the battery is sufficiently charged. Press and hold the power button for a few seconds.
- Not Charging: Verify that the charging cable and power source are functioning correctly. If connected to the RIVER 3 Plus, ensure the connection is secure.
- Overheating: If the unit feels excessively hot, disconnect it from all power sources and devices, and allow it to cool down in a well-ventilated area. The X-Guard protection system should prevent damage.
- Connection Issues with RIVER 3 Plus: Re-check the Pogo Pin connection. Ensure no debris is obstructing the pins.
For persistent issues, please refer to the Warranty and Support section.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | EF-RV-E02-1 |
| Capacity | 572Wh (179200mAh) |
| Battery Chemistry | LiFePO4 (LFP) |
| Lifespan | 3000+ Cycles to 80%+ capacity, 10 Years |
| USB-C Port (Input/Output) | 140W Max |
| Recharge Time (USB-C) | 0-100% in 7 hours |
| Recharge Time (AC via River 3 Plus) | 0-100% in 2.3 hours (650W AC Input) |
| Recharge Time (Solar via River 3 Plus) | 0-100% in 4.8 hours (220W Solar Input) |
| Recharge Time (Car via River 3 Plus) | 0-100% in 9.8 hours (220W Input) |
| Dimensions (L x W x H) | 9.2 x 8.8 x 6.2 inches |
| Weight | 12.4 lbs |
| Waterproof Rating | IP65 (battery pack only) |
| Casing Material | UL 94V-0 Rated |
| Drop Resistance | Up to 3.3 ft |
| Special Features | Portable, Wireless Connection (Pogo Pin) |
| UPC | 842783163479 |
9. Warranty and Support
The EF ECOFLOW River 3 Plus Extra Battery EB600 comes with a 5-Year Service warranty. For warranty claims, technical support, or any questions not covered in this manual, please contact EF ECOFLOW customer service.
Please visit the official EF ECOFLOW website for the most up-to-date support information and contact details.





