DOUBLE CAPACITY The Extra Battery integrates with EcoFlow RIVER Plus to double its capacity to 720Wh without doubling its weight. It can be attached and detached depending on the situation.
RIVER Max Plus = RIVER Plus + Extra Battery This combination is a cost-effective way to extend your off-grid energy use. The battery management system in RIVER Plus automatically incorporates the Extra Battery, providing peak performance instantly.
Stack on the power
By adding an extra battery underneath the RIVER Plus, you can double its capacity. When you're traveling light, just remove it in a few easy steps.
For the right feel
Long lasting life spanTeam colors, a night light, a nice glow? This extra battery’s ambient light adds a splash of color with the EcoFlow App.
What's in the box
EcoFlow RIVER Plus Extra Battery X 1
Long Screws X 4
Cross Screw Driver X 1
User Manual X 1
Net Weight: 5.7 lb (2.6 kg)
Dimensions: 11.2 × 7 × 2.3 in (28.5 × 18 × 5.9 cm)
Charge Temperature: 32°F to 113°F ±5°F (0°C to 45°C ±3°C)
Discharge Temperature: −4°F to 113°F ±5°F (−20 to 45°C ±3°C)
Warranty: 24 months
Capacity: 360Wh (28.8V)
Cell Chemistry: Lithium-ion
Shelf Life: 1 year (after fully charging the device)
Cycle Life: 800 cycles to 80% capacity
Testing and certification: UL Standards, CE, FCC, RoHS, RCM
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
All orders are shipped free of charge and are not subject to sales tax.
Business days are Monday through Friday. Holidays, Saturday and Sunday are not included in shipping days.
Shipping process: A newly placed order usually takes 48 hours to be processed/shipped and will be delivered to you approximately 1 to 5 business day after an order has shipped, with most packages arriving within 3 business days. For example, an order made on Monday night will be shipped on Wednesday morning and would arrive about 3 business day later.
Our policy lasts 30 days in most case. Some of our brands are offering 60 days, please refer to the product page. If 30 (or 60 in special cases) days have gone by since your purchase, unfortunately, we can’t offer you a refund or exchange.
To be eligible for a 100% refund, your item must be in the same condition that you received it. It must also be in the original packaging.
In the case you used the product and you would like to return it, you will be responsible for the shipping fee and a restocking fee might apply.
In the rare case that a product becomes faulty or a buyer receives a product with defects, buyers are entitled to request for a product replacement within 30 days of receiving the item. To request a replacement, buyers are required to provide photo/video evidence of the product's manufacturing defects via email