EcoFlow  |  SKU: EFEB300

EcoFlow – RIVER 3 Plus Extra Battery (EB300 or EB600)

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Description

Expand Your Portable Power—Wherever You Roam

Upgrade your EcoFlow RIVER 3 Plus with a modular Extra Battery to boost capacity and versatility for off-grid adventures, emergency preparedness, or everyday backup. Choose from:

  • EB300: 286Wh capacity, weighs only 7.7 lb
  • EB600: 572Wh capacity, weighs just 12.8 lb

 

 

Both models feature LiFePO4 battery chemistry for long life, fast charging, and reliable output. With an additional 140W USB-C port and wireless Pogo Pin connection, setup is simple and performance is powerful.

Key Features:

  • Expandable Power: Increase RIVER 3 Plus capacity up to 858Wh with one stackable battery at a time
  • Dual Use: Use independently or paired with RIVER 3 Plus
  • USB-C Input/Output: 140W fast charging for devices and recharging options
  • Lightweight & Portable: EB300 is ideal for mobile setups at only 7.7 lb
  • Tool-Free Connection: Pogo Pin tech means no cables or screws—just stack and clip
  • 10-Year Lifespan: Up to 3000 cycles to 80% capacity with 5-year warranty

 

 

Specifications:

EB300 (Extra Battery 300)

  • Capacity: 286Wh
  • Dimensions: 9.2 x 8.8 x 4.3 in
  • Weight: 7.7 lb
  • Battery Chemistry: LiFePO4, 3000 cycles to 80%
  • USB-C Input/Output: 140W Max (5V–28V⎓)

EB600 (Extra Battery 600)

  • Capacity: 572Wh
  • Dimensions: 9.2 x 8.8 x 6.2 in
  • Weight: 12.8 lb
  • Battery Chemistry: LiFePO4, 3000 cycles to 80%
  • USB-C Input/Output: 140W Max (5V–28V⎓)

Whether you're powering a campsite, prepping for power outages, or expanding your solar kit, the EcoFlow RIVER 3 Plus Extra Battery gives you the freedom to adapt and stay prepared.

 

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Frequently Asked Questions

What are the main differences between the EB300 and EB600 Extra Batteries?

The modular design of the EcoFlow RIVER 3 Plus Extra Battery enhances usability by allowing for flexible power management. You can stack and connect the batteries without tools, thanks to the wireless Pogo Pin technology, which simplifies setup. This feature is particularly beneficial for off-grid adventures or emergency scenarios where quick deployment is crucial. The ability to expand capacity up to 858Wh by adding more batteries provides adaptability for various power needs. For insights on managing off-grid power solutions, check our Off-Grid Power Solutions guide.

How does the modular design of the EcoFlow RIVER 3 Plus Extra Battery enhance its usability?

The modular design of the EcoFlow RIVER 3 Plus Extra Battery enhances usability by allowing for flexible power management. You can stack and connect the batteries without tools, thanks to the wireless Pogo Pin technology, which simplifies setup. This feature is particularly beneficial for off-grid adventures or emergency scenarios where quick deployment is crucial. The ability to expand capacity up to 858Wh by adding more batteries provides adaptability for various power needs. For insights on managing off-grid power solutions, check our Off-Grid Power Solutions guide.

Can the EcoFlow RIVER 3 Plus Extra Battery be used independently from the main unit?

Yes, the EcoFlow RIVER 3 Plus Extra Battery can be used independently from the main unit. This flexibility allows users to utilize the extra battery as a standalone power source for smaller devices or when the main unit is not needed. This feature is particularly useful in scenarios where portability and weight are critical, such as hiking or camping. However, for optimal performance and to maximize power output, pairing it with the RIVER 3 Plus is recommended. For more on portable power options, visit our Portable Energy & Lighting article.

What is the lifespan of the EcoFlow RIVER 3 Plus Extra Battery, and how does it affect long-term use?

The EcoFlow RIVER 3 Plus Extra Battery has a lifespan of up to 3000 cycles to 80% capacity. This means that even after 3000 full charge and discharge cycles, the battery will retain 80% of its original capacity. This long lifespan is a significant advantage for those relying on the battery for regular off-grid use or as a backup during power outages. However, it's important to note that environmental factors and usage patterns can affect battery longevity. For more on energy management, explore our Energy and Power Guide.

How does the 140W USB-C port enhance the functionality of the EcoFlow RIVER 3 Plus Extra Battery?

The 140W USB-C port significantly enhances the functionality of the EcoFlow RIVER 3 Plus Extra Battery by providing fast charging capabilities. This port allows for rapid charging of compatible devices, such as laptops and smartphones, making it an excellent choice for tech-savvy users who need to keep their devices powered during travel or emergencies. The high power output also supports efficient recharging of the battery itself, reducing downtime. For more on tactical solar power and emergency charging systems, read our Tactical Solar Power Guide.

What are the benefits of using LiFePO4 battery chemistry in the EcoFlow RIVER 3 Plus Extra Battery?

LiFePO4 battery chemistry offers several benefits for the EcoFlow RIVER 3 Plus Extra Battery, including enhanced safety and longevity. These batteries are known for their thermal and chemical stability, reducing the risk of overheating and extending the battery's lifespan. Additionally, LiFePO4 batteries can handle more charge cycles than traditional lithium-ion batteries, making them ideal for frequent use in off-grid settings. However, they may be heavier than other types, which is a consideration for mobile applications. For a comprehensive overview of energy solutions, visit our Off-Grid Power Solutions guide.

How does the EcoFlow RIVER 3 Plus Extra Battery integrate with solar power systems?

The EcoFlow RIVER 3 Plus Extra Battery integrates seamlessly with solar power systems, enhancing its utility for off-grid living. By connecting to compatible solar panels, the battery can be recharged using renewable energy, making it an eco-friendly option for sustained power supply. This setup is particularly advantageous during extended outdoor trips or in emergency scenarios where grid power is unavailable. However, the efficiency of solar charging can vary based on sunlight availability and panel compatibility. For more on solar integration, explore our Solar Installation Guide.

What scenarios are ideal for using the EcoFlow RIVER 3 Plus Extra Battery?

The EcoFlow RIVER 3 Plus Extra Battery is ideal for a variety of scenarios, including off-grid adventures, emergency preparedness, and everyday backup. Its portability and power capacity make it suitable for camping trips, where it can power essential devices and recharge electronics. In emergency situations, such as power outages, it serves as a reliable backup to keep critical appliances running. Additionally, its lightweight design allows for easy transport in bug-out bags or emergency kits. For more on emergency preparedness essentials, check our Bug Out Bag Essentials checklist.

How does the tool-free connection feature of the EcoFlow RIVER 3 Plus Extra Battery benefit users?

The tool-free connection feature of the EcoFlow RIVER 3 Plus Extra Battery benefits users by simplifying the setup process. The Pogo Pin technology allows for quick and secure connections without the need for cables or screws, making it user-friendly and efficient. This is especially advantageous in emergency situations where time is of the essence, and in environments where carrying additional tools is impractical. However, users should ensure that the connection is secure to prevent accidental disconnection. For insights on energy management, visit our Energy and Power Guide.

What are the trade-offs of using the EcoFlow RIVER 3 Plus Extra Battery for long-term off-grid living?

Using the EcoFlow RIVER 3 Plus Extra Battery for long-term off-grid living offers both benefits and trade-offs. On the positive side, its expandable capacity and long lifespan make it a reliable source of power for extended periods. However, the need for periodic recharging, either through solar panels or other means, can be a limitation in areas with inconsistent sunlight or access to power sources. Additionally, while the battery is portable, its weight could be a factor when considering long-distance travel. For more on off-grid living strategies, explore our Off-Grid Living Guide.