(800) 557-4962
EcoFlow River 288Wh Extra Battery
Double Capacity from 288Wh to 576Wh
The EcoFlow River Extra Battery is designed to integrate with EcoFlow River to increase the energy capacity of the unit. You can easily double the capacity of the EcoFlow Riverfrom 288Wh to 576Wh by attaching the EcoFlow River Extra Battery to the main model. The EcoFlow River Extra Battery cannot be used alone. You will need to install the module on EcoFlow River to use.
EcoFlow River + Extra Battery = EcoFlow River Max
After integrating the Extra Battery to EcoFlow River, you will get the EcoFlow River Bundle which is monitored and managed as a whole by the BMS of the main model. It provides a cost-effective solution to upgrade your EcoFlow River in terms of storage. With a capacity of 576Wh, the EcoFlow River Bundle provides enough juice to run essential devices for hours, depending on the actual output.
Recharge from 0% to 80% within 1 Hour
With the EcoFlow patented X-Stream Technology, the smart inverter enables a fast rechargeability that takes less than 1 hour to charge from 0%-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
The X-Boost Technology’s advanced built-in algorithm enables most heavy-duty kitchen appliances and tools (up to 1800W) to operate. With X-Boost, EcoFlow River Max can power 80% of essential home appliances and devices, especially those within 1200W for a better using experience. The discharging rates and X-Boost mode can be monitored and controlled through the EcoFlow APP.
Compact and portable, EcoFlow River is an ideal recreational power which gives you the accessibility to handy wall outlets. EcoFlow River is the perfect companion for camping, overlanding, tailgating, boating, etc. Feel free to attach and detach the Extra Battery to meet your needs now and later.
How to Install EcoFlow River Extra Battery?
1. Please make sure that the EcoFlow River is turned off. Take out the screwdriver from the extra battery module kit and locate the four screws on the bottom cover.
Note: Please pay attention to prevent static electricity during the installation process.
2. Please remove the 4 screws and the bottom cover. The extra battery module should be positioned as shown in the figure.
3. Align the male and female battery sockets and connect them. Close the bottom cover. Take the four long screws from the kit and screw them on the screw mouth.
4. Put the EcoFlow River upright and turn it on. The extra battery's ambient light will turn on. If the extra battery module indicator light is shown on the EcoFlow River 's display, it is activated successfully. If the ambient light or the extra battery module indicator light is not active, repeat the installation steps and then check the connection.
What EcoFlow RIVER + Extra Battery Can Power?
Specifications
- SKU: EFMAXKIT-B-G
- Net Weight: 5.5 lbs (2.5kg)
- Dimensions: 11.2 x 7 x 2.3 in (28.5 x 18 x 5.9 cm)
- Charge Temperature: 32-113°F +/- 5°F (0-45°C +/- 3°C)
- Discharge Temperature: -4-113°F +/- 5°F (-20-45°C +/- 3°C)
- Color : Black
- Warranty: 24 months
- Capacity: 288Wh (28.8V)
- Cell Chemistry: Lithium-ion
- Shelf Life: 1 year (after fully charging the device)
- Cycle Life: 500 Cycles to 80%+ capacity
- Testing and Certification: UL Standard CE FCC RoHS RCM
Note: It is not recommended to use the River series power station to power heavy-duty devices e.g., air conditioners, ovens or washing machines.
Please conduct full test on a case-by-case basis to confirm the X-Boost feature works with your appliances.
Warning: DO NOT use River series portable power station AC charging cables on DELTA series power stations. EcoFlow takes no responsibilities for any damages caused by customers' failure to follow instructions. Doing so will void the warranty.
Product Video
View and Download
Frequently Asked Questions
How to connect the APP with River when off-grid?
- The shelf life of RIVER is up to a year, but in good storage condition. In order to maximize the life span of the battery we still recommend you discharge RIVER to 30%, then charge to 85% every 3 month.
What will be the noise level of River?
- When AC output is between 0-400W, the sound level is around 42 dB at 1 meter from RIVER, which is simialr to the sound level in the library.
- When AC output is between 400-600W, the sound level is around 48 dB at 1 meter from RIVER, which is similar to the sound level in the office.
- When charging RIVER through X-Stream AC input, the sound level is 45 dB at 1 meter from RIVER, which is simialr to the sound level in the office.
- When charging RIVER under quiet mode, the sound level is 40 dB at 1 meter from RIVER, which is simialr to the sound level in the library.
Can I use solar panel with River?
- Yes. You can connect 1*110W solar panel or 2 sets of 110W solar panels in parallel to get more solar power.
How to connect the APP with River?
Using Wi-Fi
- Long press the IOT Reset button on RIVER until you hear a “beep” sound.
- Find the device in the Wi-Fi setting on your phone. Click the device to connect.
- Go back to the EcoFlow App. Click the + on the top right to start connection.
- Tick the “operation confirmed” and proceed to the next step.
- Choose the Wi-Fi and enter the password to proceed.
- Wait until the connection is finished.
Using Hotspot:
- Long press the IOT Reset button on RIVER until you hear a “beep” sound.
- Find the device in the Wi-Fi setting on your phone. Click the device to connect.
- Wait until the connection is finished.
- If your device successfully connect with your app, it will appear on your "Devices" list.
How to connect the APP with River when off-grid?
Using Hotspot:
- Long press the IOT Reset button on RIVER until you hear a “beep” sound.
- Find the device in the Wi-Fi setting on your phone. Click the device to connect.
- Wait until the connection is finished.
- If your device successfully connect with your app, it will appear on your "Devices" list.
Can River be used in line as an UPS for uninterrupted power?
- River supports an entry-level UPS function. But please perform multiple tests to confirm compatibility before connecting devices such as data servers and workstations with RIVER . EcoFlow will not be responsible for any loss of data or equipment damage caused by customers' failure in following the instructions.
How to upgrade firmware?
The firmware can be upgraded using the EcoFlow App
- Make sure the RIVER is plugged into AC power source or has at least 50% power and System Power is ON.
- Disconnect all other input or outputs from the RIVER .
- Make sure the 2.4 GHz WiFi router signal is strong.
- On the System Settings page, tap "Update" button
- Four packages will be downloaded and installed. While this happens the icons on the LCD display may flash which is normal.
- Close and reopen EcoFlow App and verify the new Version number appears on the Device System page.
How to control River remotely?
- Make sure your APP is connected to the device you need to use.
- Make sure that your device is on.
- Make sure the Wi-Fi your device connected to is on.
- Find your device in the APP then explore the functions you would like to accomplish remotely through the APP
How to turn the X-boost function on?
- Click "AC" on the device page of the APP, and you could turn on the "X-Boost" function after entering the page.
- In order to save power, it is recommended to turn off the X-Boost function when you don’t need to use it.
- X-Boost technology's built-in advanced algorithms would be able to run devices with up to 1200W per draw, but it is recommended to test before use.
- X-Boost mode is NOT suitable for ALL appliances. Some 600W-1200W appliances with strict voltage requirements may not function (eg. air compressor). Please test to confirm before using the device. X-Boost mode is enabled by default. You can disable it on the APP.
Where can I find out the firmware version?
- Find your devices on the “Devices” Page, go to the “System” button, then you will find the firmware version by clicking “Version” on the system page.
How to report issues or submit feedback using APP?
- Open the APP, find "Help & Feedback" under the user page, and click "Feedback"
Order an EcoFlow River 288Wh Extra Battery today from SolarParadise.com. Free shipping + free gifts on all of our EcoFlow Power Station Extra Batteries. Buy today and get a discount, free shipping, and a free gift!
Financing
Available
Clear, transparent terms. Fair rates.
No prepayment penalties.
Pay Over Time
Through Bread Pay™, we offer easy and affordable financing options so you can pay for your purchase over time.
Affordable Monthly Plans
Buy now and pay for your purchase over time at competitive interest rates.
No Prepayment Penalties
Pay for your purchase with monthly payments and prepay at any time without penalty.
Easy Application
Get a decision in seconds with no obligation to buy. Checking your rate won't affect your credit score. Your data is safe and encrypted.
 |
Please allow 4-7 business days for your order to arrive. |
|
 |
Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |
At Solar Paradise, we are dedicated to providing high-quality solar solutions to help you harness the power of the sun for a sustainable future. Here are some reasons why you should choose us as your trusted solar partner:
Expertise and Knowledge
Our team of experts has extensive knowledge and experience in the solar industry. We stay up-to-date with the latest technology and trends to offer you the best products and solutions for your solar needs. We will work with you to design a customized solar system that meets your unique requirements and budget.
Top-Quality Products
We source our products from reputable manufacturers who share our commitment to quality and sustainability. Our solar panels, inverters, and batteries are all tested and certified to ensure they meet our high standards for performance and reliability. We offer a wide range of products to suit your needs, from small portable solar generators to large-scale commercial installations.
Excellent Customer Service
At Solar Paradise, we prioritize customer satisfaction above all else. Our friendly and knowledgeable team is always available to answer your questions and provide guidance throughout the solar installation process. We will work closely with you to ensure that you are completely satisfied with your solar system and that it meets your expectations.
Competitive Pricing
We understand that solar can be a significant investment, which is why we offer competitive pricing on all of our products and services. We believe that solar should be accessible to everyone, and we work hard to keep our prices affordable without compromising on quality.
Environmental Responsibility
We are passionate about protecting the environment and reducing our carbon footprint. We believe that solar is one of the most effective ways to do this, which is why we are committed to promoting solar energy and making it accessible to everyone. When you choose Solar Paradise, you are choosing a company that shares your values and is dedicated to creating a sustainable future for generations to come.
In conclusion, at Solar Paradise, we pride ourselves on our expertise, top-quality products, excellent customer service, competitive pricing, and environmental responsibility. We are committed to providing you with the best solar solutions to help you power your life with clean, sustainable energy. Choose us as your trusted solar partner and let us help you embrace a brighter, more sustainable future.
Our goal is to consistently provide the best pricing in the marketplace online and we work very diligently to do so. If you happen to see another online shop that offers a lower price than us within six months of your date please let us know and we’ll be happy to refund the difference on your original payment method. Moreover, because we are consistently working with our suppliers to get better rates we know that you can feel very comfortable and confident that you are seeing the best prices that can be provided for the products listed on our site. Moving forward if you find the same item that we carry on another website that has a lower price please submit that to us within six months of your purchase date and we will refund you the difference.
If it is a case of seeing a lower price on another website and we need to send a partial refund simply email us the link to the exact product and brand from our site and also the link from our competitors site so we can inspect the pricing. Again this needs to be within six months from the date of your order and we will review your submission and apply a credit if necessary.
Our 100% Shoppers Best Price Guarantee has some limitations:
-
The item must have already been purchased from our site prior to asking for this to be reviewed and submitted.
-
This does not include rebate programs or specific retailer programs such as buy three get one free type offers or any combination such as that are not eligible
-
The item will need to be in stock from the competitors site that you’re submitting the information from
-
The competitor must be an online store, they may not have a retail location (warehouse, showroom, or physical location)
-
The price match only applies to checkouts directly on this site.
-
The website cannot be a wholesaler, liquidator, distributor, or auction website. Examples are eBay, Liquadation.com, Via Trading, overstock, etc.
-
The competitor must also be someone who has been authorized by the supplier and/or manufacturer to resell the product you are inquiring about
-
The Shoppers Best Price Policy must also include the product listing price and the shipping total, but will exclude any sales tax that gets added at the final purchasing invoice.
Description
EcoFlow River 288Wh Extra Battery
Double Capacity from 288Wh to 576Wh
The EcoFlow River Extra Battery is designed to integrate with EcoFlow River to increase the energy capacity of the unit. You can easily double the capacity of the EcoFlow Riverfrom 288Wh to 576Wh by attaching the EcoFlow River Extra Battery to the main model. The EcoFlow River Extra Battery cannot be used alone. You will need to install the module on EcoFlow River to use.
EcoFlow River + Extra Battery = EcoFlow River Max
After integrating the Extra Battery to EcoFlow River, you will get the EcoFlow River Bundle which is monitored and managed as a whole by the BMS of the main model. It provides a cost-effective solution to upgrade your EcoFlow River in terms of storage. With a capacity of 576Wh, the EcoFlow River Bundle provides enough juice to run essential devices for hours, depending on the actual output.
Recharge from 0% to 80% within 1 Hour
With the EcoFlow patented X-Stream Technology, the smart inverter enables a fast rechargeability that takes less than 1 hour to charge from 0%-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
The X-Boost Technology’s advanced built-in algorithm enables most heavy-duty kitchen appliances and tools (up to 1800W) to operate. With X-Boost, EcoFlow River Max can power 80% of essential home appliances and devices, especially those within 1200W for a better using experience. The discharging rates and X-Boost mode can be monitored and controlled through the EcoFlow APP.
Compact and portable, EcoFlow River is an ideal recreational power which gives you the accessibility to handy wall outlets. EcoFlow River is the perfect companion for camping, overlanding, tailgating, boating, etc. Feel free to attach and detach the Extra Battery to meet your needs now and later.
How to Install EcoFlow River Extra Battery?
1. Please make sure that the EcoFlow River is turned off. Take out the screwdriver from the extra battery module kit and locate the four screws on the bottom cover.
Note: Please pay attention to prevent static electricity during the installation process.
2. Please remove the 4 screws and the bottom cover. The extra battery module should be positioned as shown in the figure.
3. Align the male and female battery sockets and connect them. Close the bottom cover. Take the four long screws from the kit and screw them on the screw mouth.
4. Put the EcoFlow River upright and turn it on. The extra battery's ambient light will turn on. If the extra battery module indicator light is shown on the EcoFlow River 's display, it is activated successfully. If the ambient light or the extra battery module indicator light is not active, repeat the installation steps and then check the connection.
What EcoFlow RIVER + Extra Battery Can Power?
Specifications
- SKU: EFMAXKIT-B-G
- Net Weight: 5.5 lbs (2.5kg)
- Dimensions: 11.2 x 7 x 2.3 in (28.5 x 18 x 5.9 cm)
- Charge Temperature: 32-113°F +/- 5°F (0-45°C +/- 3°C)
- Discharge Temperature: -4-113°F +/- 5°F (-20-45°C +/- 3°C)
- Color : Black
- Warranty: 24 months
- Capacity: 288Wh (28.8V)
- Cell Chemistry: Lithium-ion
- Shelf Life: 1 year (after fully charging the device)
- Cycle Life: 500 Cycles to 80%+ capacity
- Testing and Certification: UL Standard CE FCC RoHS RCM
Note: It is not recommended to use the River series power station to power heavy-duty devices e.g., air conditioners, ovens or washing machines.
Please conduct full test on a case-by-case basis to confirm the X-Boost feature works with your appliances.
Warning: DO NOT use River series portable power station AC charging cables on DELTA series power stations. EcoFlow takes no responsibilities for any damages caused by customers' failure to follow instructions. Doing so will void the warranty.
Product Video
View and Download
Frequently Asked Questions
How to connect the APP with River when off-grid?
- The shelf life of RIVER is up to a year, but in good storage condition. In order to maximize the life span of the battery we still recommend you discharge RIVER to 30%, then charge to 85% every 3 month.
What will be the noise level of River?
- When AC output is between 0-400W, the sound level is around 42 dB at 1 meter from RIVER, which is simialr to the sound level in the library.
- When AC output is between 400-600W, the sound level is around 48 dB at 1 meter from RIVER, which is similar to the sound level in the office.
- When charging RIVER through X-Stream AC input, the sound level is 45 dB at 1 meter from RIVER, which is simialr to the sound level in the office.
- When charging RIVER under quiet mode, the sound level is 40 dB at 1 meter from RIVER, which is simialr to the sound level in the library.
Can I use solar panel with River?
- Yes. You can connect 1*110W solar panel or 2 sets of 110W solar panels in parallel to get more solar power.
How to connect the APP with River?
Using Wi-Fi
- Long press the IOT Reset button on RIVER until you hear a “beep” sound.
- Find the device in the Wi-Fi setting on your phone. Click the device to connect.
- Go back to the EcoFlow App. Click the + on the top right to start connection.
- Tick the “operation confirmed” and proceed to the next step.
- Choose the Wi-Fi and enter the password to proceed.
- Wait until the connection is finished.
Using Hotspot:
- Long press the IOT Reset button on RIVER until you hear a “beep” sound.
- Find the device in the Wi-Fi setting on your phone. Click the device to connect.
- Wait until the connection is finished.
- If your device successfully connect with your app, it will appear on your "Devices" list.
How to connect the APP with River when off-grid?
Using Hotspot:
- Long press the IOT Reset button on RIVER until you hear a “beep” sound.
- Find the device in the Wi-Fi setting on your phone. Click the device to connect.
- Wait until the connection is finished.
- If your device successfully connect with your app, it will appear on your "Devices" list.
Can River be used in line as an UPS for uninterrupted power?
- River supports an entry-level UPS function. But please perform multiple tests to confirm compatibility before connecting devices such as data servers and workstations with RIVER . EcoFlow will not be responsible for any loss of data or equipment damage caused by customers' failure in following the instructions.
How to upgrade firmware?
The firmware can be upgraded using the EcoFlow App
- Make sure the RIVER is plugged into AC power source or has at least 50% power and System Power is ON.
- Disconnect all other input or outputs from the RIVER .
- Make sure the 2.4 GHz WiFi router signal is strong.
- On the System Settings page, tap "Update" button
- Four packages will be downloaded and installed. While this happens the icons on the LCD display may flash which is normal.
- Close and reopen EcoFlow App and verify the new Version number appears on the Device System page.
How to control River remotely?
- Make sure your APP is connected to the device you need to use.
- Make sure that your device is on.
- Make sure the Wi-Fi your device connected to is on.
- Find your device in the APP then explore the functions you would like to accomplish remotely through the APP
How to turn the X-boost function on?
- Click "AC" on the device page of the APP, and you could turn on the "X-Boost" function after entering the page.
- In order to save power, it is recommended to turn off the X-Boost function when you don’t need to use it.
- X-Boost technology's built-in advanced algorithms would be able to run devices with up to 1200W per draw, but it is recommended to test before use.
- X-Boost mode is NOT suitable for ALL appliances. Some 600W-1200W appliances with strict voltage requirements may not function (eg. air compressor). Please test to confirm before using the device. X-Boost mode is enabled by default. You can disable it on the APP.
Where can I find out the firmware version?
- Find your devices on the “Devices” Page, go to the “System” button, then you will find the firmware version by clicking “Version” on the system page.
How to report issues or submit feedback using APP?
- Open the APP, find "Help & Feedback" under the user page, and click "Feedback"
Order an EcoFlow River 288Wh Extra Battery today from SolarParadise.com. Free shipping + free gifts on all of our EcoFlow Power Station Extra Batteries. Buy today and get a discount, free shipping, and a free gift!
Financing
Financing
Available
Clear, transparent terms. Fair rates.
No prepayment penalties.
Pay Over Time
Through Bread Pay™, we offer easy and affordable financing options so you can pay for your purchase over time.
Affordable Monthly Plans
Buy now and pay for your purchase over time at competitive interest rates.
No Prepayment Penalties
Pay for your purchase with monthly payments and prepay at any time without penalty.
Easy Application
Get a decision in seconds with no obligation to buy. Checking your rate won't affect your credit score. Your data is safe and encrypted.
Delivery And Returns
|
Please allow 4-7 business days for your order to arrive. |
|
|
Returns are easy, simply contact us for a returns number and send your item to our returns center for fast processing. We'll get you a replacement or refund in a snap! |
Why Buy From Us
At Solar Paradise, we are dedicated to providing high-quality solar solutions to help you harness the power of the sun for a sustainable future. Here are some reasons why you should choose us as your trusted solar partner:
Expertise and Knowledge
Our team of experts has extensive knowledge and experience in the solar industry. We stay up-to-date with the latest technology and trends to offer you the best products and solutions for your solar needs. We will work with you to design a customized solar system that meets your unique requirements and budget.
Top-Quality Products
We source our products from reputable manufacturers who share our commitment to quality and sustainability. Our solar panels, inverters, and batteries are all tested and certified to ensure they meet our high standards for performance and reliability. We offer a wide range of products to suit your needs, from small portable solar generators to large-scale commercial installations.
Excellent Customer Service
At Solar Paradise, we prioritize customer satisfaction above all else. Our friendly and knowledgeable team is always available to answer your questions and provide guidance throughout the solar installation process. We will work closely with you to ensure that you are completely satisfied with your solar system and that it meets your expectations.
Competitive Pricing
We understand that solar can be a significant investment, which is why we offer competitive pricing on all of our products and services. We believe that solar should be accessible to everyone, and we work hard to keep our prices affordable without compromising on quality.
Environmental Responsibility
We are passionate about protecting the environment and reducing our carbon footprint. We believe that solar is one of the most effective ways to do this, which is why we are committed to promoting solar energy and making it accessible to everyone. When you choose Solar Paradise, you are choosing a company that shares your values and is dedicated to creating a sustainable future for generations to come.
In conclusion, at Solar Paradise, we pride ourselves on our expertise, top-quality products, excellent customer service, competitive pricing, and environmental responsibility. We are committed to providing you with the best solar solutions to help you power your life with clean, sustainable energy. Choose us as your trusted solar partner and let us help you embrace a brighter, more sustainable future.
100% Best Price Policy
Our goal is to consistently provide the best pricing in the marketplace online and we work very diligently to do so. If you happen to see another online shop that offers a lower price than us within six months of your date please let us know and we’ll be happy to refund the difference on your original payment method. Moreover, because we are consistently working with our suppliers to get better rates we know that you can feel very comfortable and confident that you are seeing the best prices that can be provided for the products listed on our site. Moving forward if you find the same item that we carry on another website that has a lower price please submit that to us within six months of your purchase date and we will refund you the difference.
If it is a case of seeing a lower price on another website and we need to send a partial refund simply email us the link to the exact product and brand from our site and also the link from our competitors site so we can inspect the pricing. Again this needs to be within six months from the date of your order and we will review your submission and apply a credit if necessary.
Our 100% Shoppers Best Price Guarantee has some limitations:
-
The item must have already been purchased from our site prior to asking for this to be reviewed and submitted.
-
This does not include rebate programs or specific retailer programs such as buy three get one free type offers or any combination such as that are not eligible
-
The item will need to be in stock from the competitors site that you’re submitting the information from
-
The competitor must be an online store, they may not have a retail location (warehouse, showroom, or physical location)
-
The price match only applies to checkouts directly on this site.
-
The website cannot be a wholesaler, liquidator, distributor, or auction website. Examples are eBay, Liquadation.com, Via Trading, overstock, etc.
-
The competitor must also be someone who has been authorized by the supplier and/or manufacturer to resell the product you are inquiring about
-
The Shoppers Best Price Policy must also include the product listing price and the shipping total, but will exclude any sales tax that gets added at the final purchasing invoice.
Acopower Flexible RV Solar Power System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Lithium Battery Monocrystalline Solar Power Complete System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Lithium Battery Polycrystalline Solar Power Complete System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Flexible RV Solar Power System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Lithium Battery Monocrystalline Solar Power Complete System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Lithium Battery Polycrystalline Solar Power Complete System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Flexible RV Solar Power System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Lithium Battery Monocrystalline Solar Power Complete System
Choose Your Battery Bank Capacity | Solar Kit Size
Acopower Lithium Battery Polycrystalline Solar Power Complete System
Choose Your Battery Bank Capacity | Solar Kit Size