Turn Your EcoFlow RIVER Plus to OUR BIGGEST RIVER
DOUBLE CAPACITY The Extra Battery integrates with EcoFlow RIVER Plus to double its capacity to 720Wh without doubling its weight. Attach and detach it for whatever the situation calls for.
RIVER Plus + Extra Battery = RIVER Max Plus 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.
RECHARGE FROM 0% TO 80% WITHIN 1 HOUR
With EcoFlow’s patented X-Stream Technology, the smart inverter enables a fast rechargeability that takes less than 1 hour to charge from 0% to 80%, and it gets fully charged in 1.6 hours. You can switch to a quieter charging condition by turning on the “Quiet Charging” status on the app.
COMPATIBLE WITH 80% HOME APPLIANCES
RIVER Plus can power some devices up to 1800W with the X-Boost mode on, which lets you power about 80% of essential devices like kitchen appliances and power tools.
FIT YOUR NEEDS, NOW AND LATER Double the capacity from 288Wh to 576Wh with an Extra Battery (sold separately) that attaches to the bottom.
Compatible ONLY with EcoFlow RIVER Plus
*Please NOTE: This item is only applicable to orders in the US (except Alaska and the Virgin Islands).
Stack on the power
Double RIVER Plus’ capacity by adding an extra battery underneath. Take it off when you’re traveling light.
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.
Hit the outdoors with RIVER Max and keep all your devices powered on at once. With a detachable extra battery, you have up to 576Wh of capacity that charges to full in a record-breaking 96 minutes flat
Live even larger
All the great features of our RIVER series at the largest capacity available lets you back your great ideas with 720 watt-hours
The world’s fastest charging power stations
EcoFlow has the world's fastest recharging portable power stations. RIVER Max Plus charges from 0–80% in under an hour, or to full in just 96 minutes.
Two Capacities in One
RIVER Max Plus’ detachable battery doubles capacity, not weight. Take it off when you’re traveling light, and put it back on for the big jobs.
Three Easy Ways to Charge
|5.5 lb (2.5 kg)
|800 cycles to 80% capacity
|1 year (once fully charged)
|Testing and certification
|UL Standards, CE, FCC, RoHS, RCM
|32°F to 113°F ±5°F (0°C to 45°C ±3°C)
|−4°F to 113°F ±5°F (−20 to 45°C ±3°C)
Q & A
Q: What is the Capacity of extra Battery?
Q: What is the charging and discharging logic of the device with the extra battery?
A: When charging, charge the one with low SOC first, then the battery itself (device) and the extra battery are charged at the same time, first balance, then charge at the same time 2. Discharge. First discharge the one with high SOC, then discharge at the same time
Q: How to use the extra battery?
A: Remove the four screws at the bottom and connect the Smart Extra Battery. Please be noted that after connecting with a Smart Extra Battery, the product’s battery capacity becomes 720 Ｗh.
Q: Can EcoFlow RIVER Plus Extra Battery (360Wh) be used with the EcoFlow RIVER?
A: EcoFlow RIVER Plus Extra Battery can only be used with EcoFlow RIVER Plus, and it can't be used with EcoFlow RIVER.
What’s in the box
Compare The Models
RIVER Max Plus
Please note that the warranty period may vary according to local laws and regulations. Some countries, states, and provinces do not allow limitations on how long an implied warranty may last, so the limitation described above may not apply to you. You may have other rights from state to state or by province or by country.
DO NOT USE YOUR PRODUCTS UNTIL YOU HAVE READ THE TERMS OF THE WARRANTY.
All EcoFlow products purchased on ebikehaul.com come with a limited warranty (“warranty”) as set out below. BY USING THE ECOFLOW PRODUCT YOU ARE AGREEING TO BE BOUND BY THE TERMS OF THE ECOFLOW LIMITED WARRANTY.
We provide a limited warranty for purchases on ebikehaul.com. The warranty period is measured starting on the date the original consumer purchaser received the products.
Warranty Period (Months)
R600/R600 Max/R600 Pro/EF-1500*
DELTA **/RIVER/RIVER Max/RIVER Extra Battery/RIVER Pro/RIVER Pro Extra Battery
RIVER 370/RIVER 412/RIVER 500
110W Solar Panel/160W Solar Panel/85W Solar Panel/21W Solar Panel/60W Solar Panel/50W Solar Panel
River Bank/Rapid Power Bank/Rapid Plus Power Bank
Cables/Chargers (inside the package/sold separately)
*For RIVER series Kickstarter backers, EcoFlow offers 36 months warranty.
**For DELTA Kickstarter backers, EcoFlow offers an exclusive lifetime battery warranty. Kickstarter backers will need to cover the freight fees if the batteries need to be replaced.
Exclusions and Limitations
This warranty does not apply:
- Non-quality related issues;
- Items purchased from unauthorized resellers;
- Purchases without valid proof of purchase;
- Items that have been refunded;
- Items that have expired their warranty period;
- Any defects or damages caused by misuse of products, unauthorized modification, disassembly or operation not in accordance with the official instructions or manuals;
- Any defects or damages caused by exposure to excessive heat, liquids, or other external causes;
- Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts;
- Lost or stolen products;
- Free products.
Valid Proof of Purchase
- Order number of purchases made through ebikehaul.com
- Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.
Most of our products have an over 12-month warranty. Because most shipping information cannot be found online after 6 months the transport ends (if the original purchaser can’t find it online), the warranty period is measured starting on the date of purchase by the original consumer purchaser. We will extend the warranty period for you by one month.
How to claim your warranty?
Claim your warranty on ecolfow.com : https://ecoflow.com/apps/product-registration
(Find Your Product's Serial Number: https://ecoflow.com/apps/product-registration?serialNumber=true)
Contact EcoFlow Customer Service Team at email@example.com or +1 (800)-368-8604.
Attach a short video to show the issues.
While the Customer Service Representative processes the claim, you will receive a Return Material Authorization (RMA) form.
If your item is eligible for EcoFlow Warranty Policy, you will receive a prepaid shipping label*. Please follow the instructions on how to properly package and return the item safely. Please follow the instructions above before you ship out the products.
*Please note that we can only provide prepaid return shipping labels for return packages in the U.S. and Europe. For return in other countries and areas, please contact our Customer Service Team at firstname.lastname@example.org for more details.
**Instruction on how to properly package and return the item safely.
EcoFlow will proceed with replacement 15 business days* after confirming that the defective item is received at our warehouse. The final resolution is subject to the availability of the replacement items.
All replacement items will follow the same warranty time frame of the original defective item or 3 months after being replaced, whichever is later.
*Please note that delivery is subject to changes caused by force majeure.
Thank you for visiting and shopping at ebikehaul.com. aims to offer you the best shipping options.
Shipment processing time
All orders are processed within 3-5 business days. Orders are not shipped or delivered on weekends or holidays.
If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in the shipment of your order, we will contact you via email.
Shipment to P.O. boxes or APO/FPO addresses
ebikehaul.com ships to addresses within the U.S., some of U.S. Territories (Please consult Sales@ ebikehaul.com before ordering) and does not ship to P.O. Box and APO/FPO/DPO addresses.
Shipment confirmation & Order tracking
You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours. Most EcoFlow packages are shipped via UPS or FedEx. You could contact FedEx: 1(800) 463-3339 or UPS Domestic: 1-888-742-5877 for further shipping information. The estimated delivery time is 7-10 business days.
ebikehaul.com is not liable for any products damaged or lost during shipping. If you received your order damaged or lost your package, please contact us within 20 days at email@example.com.
Return & Refund
Customers can request a full refund within 24 hours after placing an order on ebikehaul.com. Please note that we will charge a transaction fee if you apply for the refund after 24 hours and before delivery (2.6% for credit card users, 3.6% for PayPal users, 3.5% for Affirm users). Orders purchased after 30 days could not be canceled.
The return service is currently available to US orders only. If you want to return the product, please pick up the package first. Then register your order in our return center (https://ecoflow.returnscenter.com/) to obtain a shipping label. To avoid paying high, please note that a double shipping fee may be deducted from the final return if you directly reject the products.
For the return of US orders, we'll charge the transaction fee (2.6% for credit card users, 3.6% for PayPal users, 3.5% for Affirm users) + shipping cost. For quality issues, we will give you a full refund or one-time free replacement after you receive the goods.
After you returned the product to our warehouse, we'll issue the refund within 14 business days, you'll be notified with an email once your order is refunded.
If you don't receive the refund after 14 business days, please contact us via Sales@ebikehaul.com.
Please follow the 3 steps to process your return
◆ Step 1:
Register your order in our return center: https://ecoflow.returnscenter.com/
◆ Step 2:
Our Support Team will determine whether your order is eligible. After confirming that your order is eligible, they will give you a Return Material Authorization (RMA) number and provide you with a prepaid return shipping label (label to be determined by the support team). They will also provide instructions on how to properly package the product to return it safely. This is incredibly important. Do not ship the product until you have received the proper safety directions on how to ship the product. You must clearly mark the RMA number on the package and include your proof of purchase date with the product.
◆ Step 3:
EcoFlow Tech will process your return or warranty according to the return or warranty policy.
For more details, please refer to our EcoFlow Lithium Battery Return Instruction : https://ecoflow.com/pages/ecoflow-lithium-battery-return-instruction
Please DO NOT return the items without the RMA confirmation from the EcoFlow Customer Service Team.
For return without confirmation, the refund or replacement may not be processed.
Return Shipping Cost
We will charge you the shipping fee under these circumstances:
- If you cancel your order over 24 hours and within 30 days without any reason, we'll charge the transaction fee (2.6% for credit card users, 3.6% for PayPal users) + shipping cost.
- Any defects or damages caused by exposure to excessive heat, liquids, or other external causes.
- Any defects or damages caused by reliability or compatibility issues when using unauthorized third-party parts.
- Any defects or damages caused by misuse of products, unauthorized modification, disassembly, or operation not in accordance with the official instructions or manuals.
RIVER Extra Battery
RIVER Pro Extra Battery
After-sale Service Contact