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DELTA Max Smart Extra Battery

-$400.00
Current Price $1,199.00
Original Price $1,599.00

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EcoFlow DELTA Max Extra Battery 

Looking to supercharge your DELTA Max power station? 

Huge Capacity: With a whopping 2016Wh capacity, this extra battery takes your DELTA Max to the next level. You can now expand your DELTA Max's capacity to a massive 6048Wh, ensuring you have abundant backup power whenever you need it.

Customizable Power: For outdoor enthusiasts and off-grid adventurers, the DELTA Max Extra Battery is a game-changer. Attach up to two extra batteries to your DELTA Max, creating a tailor-made outdoor generator. Your power supply is now entirely in your hands.

Lightning-Fast Charging: Say goodbye to long wait times. The DELTA Max Extra Battery can be fully charged in less than two hours, ensuring you spend less time waiting and more time enjoying your devices.

Versatile Charging Options: Charging your DELTA Max Extra Battery is a breeze. Use a standard AC wall outlet for a quick and convenient power top-up. If you're on the go, your car can also replenish its power. For a truly versatile charging experience, connect it to the EcoFlow Smart Generator.

Power for Everything: Powering your devices is no longer a challenge. The DELTA Max Extra Battery can support up to 15 devices simultaneously and can handle 99% of your appliances. No more prioritizing which devices get power first - now everything stays on.

What's Included in the Box

When you unbox your DELTA Max Extra Battery, you'll find:

  1. DELTA Max Smart Extra Battery
  2. DELTA Max Extra Battery Cable
  3. User Manual

Plus, you're backed by a 24-month guarantee from EcoFlow. Our friendly customer support team is here to assist you whenever you need it.


With the EcoFlow DELTA Max Extra Battery, you're in control of your power. Elevate your DELTA Max, expand your horizons, and enjoy reliable, portable power that's ready for your every adventure.


Note: For more details on using your DELTA Max Extra Battery, please consult the DELTA Max Smart Extra Battery User Manual


Battery Type Lithium-Ion NMC
Capacity 2016 Wh
Input AC: 1800 W, 15 A
Solar: 800 W, 11-100 VDC, 10 A Max
DC: 12V/24 VDC, 8 A Max
Outputs 6 x AC Outlet: 3400 W in X-Boost Mode, 5000 W Surge Total
2 x USB Type-A: 5 VDC, 2.4 A Max, 12 W Max
1 x Fast Charge USB Type-A: 5/9/12 VDC, 2.4 A Max, 18 W Max
2 x USB Type-C: 5/9/12/15/20 VDC, 5 A, 100 W Max
1 x Female Car-Style Socket: 12.6 VDC, 10 A (126 W Max)
2 x DC 5512 1.6 V, 3 A, 38 W
Charging Time Wall Charger: 1.8
Two EcoFlow 400W Solar Panels: 6.5 Hours
Dimensions 19.6 x 12.0 x 9.5" / 49.8 x 30.5 x 24.1 cm
Weight 48 lb / 21.8 kg
Net Weight * Approx. 40 lbs (18 kg)
Dimension * 18.3 x 9.3 x 11.1 in (46.4 x 23.5 x 28.3 cm)
Charge Temperature 32 to 113°F ± 5°F (0 to 45°C ± 3°C)
Discharge Temperature -4 to 113°F ± 5°F (-20 to 45°C ± 3°C)
Capacity 2016Wh
Cycle Life 800 Cycles to 80%+ capacity
Management Systems BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
Extra Battery Port Input 50.4V, 1800W Max (X-Stream and solar dual charging)
Extra Battery Port Output 43V-58.4V 3200W Max
Cell Chemistry NCM
Shelf Life 1 year (after fully charging the device)
Testing and certification UL CE FCC ROHS Telec
Warranty 36 months
Smart Generator Supported (sold separately)
Capacity 2016Wh
Extra Battery Support up to two DELTA Max Smart Extra Battery/Smart Generator
AC Output 6 outlets, 2400W total (Surge 5000W)
Max Device(s) Power Supported by X-Boost 3400W
USB-A Output 2 ports, 5V, 2.4A, 12W Max per port
USB-A Fast Charge 2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max per port
USB-C Output 2 ports, 5/9/12/15/20V, 5A, 100W Max per port
Car Power Output 12.6V, 10A, 126W Max
DC5521 Output 2 ports, 12.6V, 3A, 38W Max per port
AC Charging Input 1800W Max, 15A
Solar Charging Input 800W Max, 11-100V, 13A
Car Charging Input Support 12V/24V battery, 8A
Battery Chemistry NCM
Cycle Life 800 cycles to 80% capacity
Shelf Life 1 year (after a full charge)
Connection Wi-Fi
Net Weight Approx. 48 lbs
Dimension 19.6 in x 9.5 in x 12 in

Capacity

1612Wh

 

Extra Battery

Support up to two DELTA Max Smart Extra Battery/Smart Generator

AC Output

6*20A outlets, 2000W total (Surge 5000W)

Max Device(s) Power Supported by X-Boost

2800W

USB-A Output

2 ports, 5V, 2.4A, 12W Max per port

USB-A Fast Charge

2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max per port

USB-C Output

2 ports, 5/9/12/15/20V, 5A, 100W Max per port

Car Power Output

12.6V, 10A, 126W Max

DC5521 Output

2 ports, 12.6V, 3A, 38W Max per por

AC Charging Input

1600W Max, 15A

Solar Charging Input

800W Max, 11-100V, 10A

Car Charging Input

Support 12V/24V battery, 8A

Battery Chemistry

NCM

Cycle Life

500 cycles to 80% capacity

Shelf Life

1 year (after a full charge)

Connection

Wi-Fi

Net Weight

Approx. 48lbs

Dimension

19.6*9.5*12 in

Specs of 400W Solar Panel

Rated Power

400W

 

Cell Type

Monocrystalline silicon

Efficiency

22.40%

Dimensions

42.0*94.1*1.0 in (106.8*239.0*2.4cm)

Connector Type

Solar Connector

Open Circuit Voltage

48V (Vmp 41V)

Short Circuit Current

11A (Imp 9.8A)

Weight(Solar Panel)

Approx. 35.3lbs (16.0Kg)

Weight (with Kickstand Case)

Approx. 41.9 (19kg)

EcoFlow Product Policies: Power Up Your Peace of Mind

EcoFlow Products SHIP FREE!

Rest assured, your EcoFlow adventure is backed by comprehensive warranties, hassle-free returns, and convenient cancellations.

Key Benefits:

    • Generous warranties: Enjoy up to 5 years of coverage on select EcoFlow products, with extension options available.
    • Effortless returns: Get a full refund within 30 days for unopened products.
    • Simple cancellations: Change your mind? Cancel within 24 hours of purchase.
    • Dedicated support: Our friendly team is always here to help with any questions.

Explore Your Options:

    • Warranty details: Download the full EcoFlow warranty policy for complete coverage information: EcoFlow Warranty Policy
    • Cancellation policy: Get the scoop on canceling orders before it's too late: [link].

Peace of mind is just a click away! Shop EcoFlow with confidence and experience the power of worry-free adventures.

Product Base Warranty Warranty Extension Total Warranty
DELTA Max (1600/2000) 24 12 (Registration required) 36
DELTA Pro 24 36 (Registration required) 60
RIVER Mini, RIVER, RIVER Max, RIVER Max Plus, RIVER Pro 24 N/A 24
RIVER Extra Battery, RIVER Pro Extra Battery 24 N/A 24
DELTA mini, DELTA 24 N/A 24
Smart Generator (Dual Fuel) 12 N/A 12
EcoFlow Solar Panels 10 years (Rigid), 3 years (Flexible) N/A 10 years (Rigid), 3 years (Flexible)
Wave Portable Air Conditioner 12 N/A 12
Wave Add-On Battery 12 N/A 12
Accessories 12 N/A 12
Smart Generator 12 N/A 12
Power Hub, Power Kits Console 12 N/A 12
RIVER 2, RIVER 2 Max, RIVER 2 Pro, DELTA 2, DELTA 2 Max 5 N/A 5
R600/R600 Max/R600 Pro/EF-1500* 36 N/A 36
BLADE 36 12 (Registration required) 48
GLACIER 12 12 (Registration required) 24
WAVE 2 12 12 (Registration required) 24
WAVE 2 Add-On Battery 24 N/A 24

Important Notes:

    • Cross-regional repair service is available with additional fees.
    • Full details and exclusions are covered in the respective policy documents.

 

Unleash Your Wanderlust: Flat Rates & Hidden Gems at Restful Roofs

Direct Shipping Savings: Get Closer to Wholesale Prices

At Restful Roofs, we're your adventure confidantes, hand-picking the finest kit while unlocking secret deals for your wildest escapes. Here's why you'll love shopping with us:

Free Shipping on EcoFlow, Zendure, and Overland Vehicle Systems: Get top brands delivered straight to your door, absolutely free within the contiguous US!

Transparent Flat Rates for Other Products: Enjoy affordable shipping based on product type, with rates clearly displayed at checkout.

  • Rooftop Tents: $200
  • Batteries: $50
  • Awnings & Annexes: $35
  • Portable Power: $30
  • Coolers and Cargo Boxes: $30
  • Winches, LED Lights, Solar Panels, Crossbars: $30
  • Sleeping Gear, Water Storage: $15
  • Small Parts and Accessories: $12

Dropship Advantage, Direct Savings: Many of our products ship directly from the manufacturer, allowing us to offer prices closer to wholesale. Message us for hidden discounts and score your best deal yet!

Remember: Not every whisper yields a hurricane, but we're always game to explore and try to sweeten the pot. Don't hesitate to reach out – your dream gear might be just a message away!

Unwavering Quality, Guaranteed

Your adventure deserves the best, which is why we offer a hassle-free return policy and a guarantee on all products:

Inspect Upon Delivery: Give your package a quick once-over. If anything looks amiss, note it with the delivery person.

Contact Us Right Away: We understand mishaps happen. Shoot us an email with photos of the damage and your order number to [customer support email].

Relax and Refuel: We'll get a replacement or repair on its way ASAP, free of charge for damaged or incorrect items.

A Word on Manufacturer Policies:

While we strive to provide clear and comprehensive information on warranties, return stipulations, and other policies for the products we offer, it's important to remember that some products may also be subject to the individual policies of their manufacturers.

To get the most complete understanding of a product's specific policies, we recommend visiting the manufacturer's website or contacting them directly. This will ensure you have all the information you need to make informed purchasing decisions.

Returns: 30 Days to Wander, Then Decide

Change of heart? No worries! You have 30 days to explore any unused item in its original packaging for a full refund, minus a 10% restocking fee. Just email us to get started.

Additional Notes:

    • Free return shipping for damaged or incorrect items.
    • Orders cancelled within 24 hours are exempt from return shipping fees.
    • Some pre-owned or used items may have different return policies (details on product pages).

Adventure Awaits: Let's Unleash It Together!

With transparent shipping options, direct shipping savings, a dedication to hidden discounts, unwavering quality, and hassle-free returns, you can focus on what matters most - crafting your next epic escape. And if you ever have questions, our friendly customer support team is always just a message away.

We're not just selling gear, we're fueling your wanderlust one whispered deal at a time. So, what are you waiting for? Let's unleash your adventure together!

Flat Rate Shipping

In the Contiguous US

Satisfaction Guarantee

Don't like it? Send it back.

Price match guarantee

Found a better price? We'll match it!

Customer Service

Personal assistance, every time

EcoFlow DELTA Max Extra Battery 

Looking to supercharge your DELTA Max power station? 

Huge Capacity: With a whopping 2016Wh capacity, this extra battery takes your DELTA Max to the next level. You can now expand your DELTA Max's capacity to a massive 6048Wh, ensuring you have abundant backup power whenever you need it.

Customizable Power: For outdoor enthusiasts and off-grid adventurers, the DELTA Max Extra Battery is a game-changer. Attach up to two extra batteries to your DELTA Max, creating a tailor-made outdoor generator. Your power supply is now entirely in your hands.

Lightning-Fast Charging: Say goodbye to long wait times. The DELTA Max Extra Battery can be fully charged in less than two hours, ensuring you spend less time waiting and more time enjoying your devices.

Versatile Charging Options: Charging your DELTA Max Extra Battery is a breeze. Use a standard AC wall outlet for a quick and convenient power top-up. If you're on the go, your car can also replenish its power. For a truly versatile charging experience, connect it to the EcoFlow Smart Generator.

Power for Everything: Powering your devices is no longer a challenge. The DELTA Max Extra Battery can support up to 15 devices simultaneously and can handle 99% of your appliances. No more prioritizing which devices get power first - now everything stays on.

What's Included in the Box

When you unbox your DELTA Max Extra Battery, you'll find:

  1. DELTA Max Smart Extra Battery
  2. DELTA Max Extra Battery Cable
  3. User Manual

Plus, you're backed by a 24-month guarantee from EcoFlow. Our friendly customer support team is here to assist you whenever you need it.


With the EcoFlow DELTA Max Extra Battery, you're in control of your power. Elevate your DELTA Max, expand your horizons, and enjoy reliable, portable power that's ready for your every adventure.


Note: For more details on using your DELTA Max Extra Battery, please consult the DELTA Max Smart Extra Battery User Manual


Battery Type Lithium-Ion NMC
Capacity 2016 Wh
Input AC: 1800 W, 15 A
Solar: 800 W, 11-100 VDC, 10 A Max
DC: 12V/24 VDC, 8 A Max
Outputs 6 x AC Outlet: 3400 W in X-Boost Mode, 5000 W Surge Total
2 x USB Type-A: 5 VDC, 2.4 A Max, 12 W Max
1 x Fast Charge USB Type-A: 5/9/12 VDC, 2.4 A Max, 18 W Max
2 x USB Type-C: 5/9/12/15/20 VDC, 5 A, 100 W Max
1 x Female Car-Style Socket: 12.6 VDC, 10 A (126 W Max)
2 x DC 5512 1.6 V, 3 A, 38 W
Charging Time Wall Charger: 1.8
Two EcoFlow 400W Solar Panels: 6.5 Hours
Dimensions 19.6 x 12.0 x 9.5" / 49.8 x 30.5 x 24.1 cm
Weight 48 lb / 21.8 kg
Net Weight * Approx. 40 lbs (18 kg)
Dimension * 18.3 x 9.3 x 11.1 in (46.4 x 23.5 x 28.3 cm)
Charge Temperature 32 to 113°F ± 5°F (0 to 45°C ± 3°C)
Discharge Temperature -4 to 113°F ± 5°F (-20 to 45°C ± 3°C)
Capacity 2016Wh
Cycle Life 800 Cycles to 80%+ capacity
Management Systems BMS, Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
Extra Battery Port Input 50.4V, 1800W Max (X-Stream and solar dual charging)
Extra Battery Port Output 43V-58.4V 3200W Max
Cell Chemistry NCM
Shelf Life 1 year (after fully charging the device)
Testing and certification UL CE FCC ROHS Telec
Warranty 36 months
Smart Generator Supported (sold separately)
Capacity 2016Wh
Extra Battery Support up to two DELTA Max Smart Extra Battery/Smart Generator
AC Output 6 outlets, 2400W total (Surge 5000W)
Max Device(s) Power Supported by X-Boost 3400W
USB-A Output 2 ports, 5V, 2.4A, 12W Max per port
USB-A Fast Charge 2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max per port
USB-C Output 2 ports, 5/9/12/15/20V, 5A, 100W Max per port
Car Power Output 12.6V, 10A, 126W Max
DC5521 Output 2 ports, 12.6V, 3A, 38W Max per port
AC Charging Input 1800W Max, 15A
Solar Charging Input 800W Max, 11-100V, 13A
Car Charging Input Support 12V/24V battery, 8A
Battery Chemistry NCM
Cycle Life 800 cycles to 80% capacity
Shelf Life 1 year (after a full charge)
Connection Wi-Fi
Net Weight Approx. 48 lbs
Dimension 19.6 in x 9.5 in x 12 in

Capacity

1612Wh

 

Extra Battery

Support up to two DELTA Max Smart Extra Battery/Smart Generator

AC Output

6*20A outlets, 2000W total (Surge 5000W)

Max Device(s) Power Supported by X-Boost

2800W

USB-A Output

2 ports, 5V, 2.4A, 12W Max per port

USB-A Fast Charge

2 ports, 5V, 2.4A / 9V, 2A / 12V, 1.5A, 18W Max per port

USB-C Output

2 ports, 5/9/12/15/20V, 5A, 100W Max per port

Car Power Output

12.6V, 10A, 126W Max

DC5521 Output

2 ports, 12.6V, 3A, 38W Max per por

AC Charging Input

1600W Max, 15A

Solar Charging Input

800W Max, 11-100V, 10A

Car Charging Input

Support 12V/24V battery, 8A

Battery Chemistry

NCM

Cycle Life

500 cycles to 80% capacity

Shelf Life

1 year (after a full charge)

Connection

Wi-Fi

Net Weight

Approx. 48lbs

Dimension

19.6*9.5*12 in

Specs of 400W Solar Panel

Rated Power

400W

 

Cell Type

Monocrystalline silicon

Efficiency

22.40%

Dimensions

42.0*94.1*1.0 in (106.8*239.0*2.4cm)

Connector Type

Solar Connector

Open Circuit Voltage

48V (Vmp 41V)

Short Circuit Current

11A (Imp 9.8A)

Weight(Solar Panel)

Approx. 35.3lbs (16.0Kg)

Weight (with Kickstand Case)

Approx. 41.9 (19kg)

EcoFlow Product Policies: Power Up Your Peace of Mind

EcoFlow Products SHIP FREE!

Rest assured, your EcoFlow adventure is backed by comprehensive warranties, hassle-free returns, and convenient cancellations.

Key Benefits:

    • Generous warranties: Enjoy up to 5 years of coverage on select EcoFlow products, with extension options available.
    • Effortless returns: Get a full refund within 30 days for unopened products.
    • Simple cancellations: Change your mind? Cancel within 24 hours of purchase.
    • Dedicated support: Our friendly team is always here to help with any questions.

Explore Your Options:

    • Warranty details: Download the full EcoFlow warranty policy for complete coverage information: EcoFlow Warranty Policy
    • Cancellation policy: Get the scoop on canceling orders before it's too late: [link].

Peace of mind is just a click away! Shop EcoFlow with confidence and experience the power of worry-free adventures.

Product Base Warranty Warranty Extension Total Warranty
DELTA Max (1600/2000) 24 12 (Registration required) 36
DELTA Pro 24 36 (Registration required) 60
RIVER Mini, RIVER, RIVER Max, RIVER Max Plus, RIVER Pro 24 N/A 24
RIVER Extra Battery, RIVER Pro Extra Battery 24 N/A 24
DELTA mini, DELTA 24 N/A 24
Smart Generator (Dual Fuel) 12 N/A 12
EcoFlow Solar Panels 10 years (Rigid), 3 years (Flexible) N/A 10 years (Rigid), 3 years (Flexible)
Wave Portable Air Conditioner 12 N/A 12
Wave Add-On Battery 12 N/A 12
Accessories 12 N/A 12
Smart Generator 12 N/A 12
Power Hub, Power Kits Console 12 N/A 12
RIVER 2, RIVER 2 Max, RIVER 2 Pro, DELTA 2, DELTA 2 Max 5 N/A 5
R600/R600 Max/R600 Pro/EF-1500* 36 N/A 36
BLADE 36 12 (Registration required) 48
GLACIER 12 12 (Registration required) 24
WAVE 2 12 12 (Registration required) 24
WAVE 2 Add-On Battery 24 N/A 24

Important Notes:

    • Cross-regional repair service is available with additional fees.
    • Full details and exclusions are covered in the respective policy documents.

 

Unleash Your Wanderlust: Flat Rates & Hidden Gems at Restful Roofs

Direct Shipping Savings: Get Closer to Wholesale Prices

At Restful Roofs, we're your adventure confidantes, hand-picking the finest kit while unlocking secret deals for your wildest escapes. Here's why you'll love shopping with us:

Free Shipping on EcoFlow, Zendure, and Overland Vehicle Systems: Get top brands delivered straight to your door, absolutely free within the contiguous US!

Transparent Flat Rates for Other Products: Enjoy affordable shipping based on product type, with rates clearly displayed at checkout.

  • Rooftop Tents: $200
  • Batteries: $50
  • Awnings & Annexes: $35
  • Portable Power: $30
  • Coolers and Cargo Boxes: $30
  • Winches, LED Lights, Solar Panels, Crossbars: $30
  • Sleeping Gear, Water Storage: $15
  • Small Parts and Accessories: $12

Dropship Advantage, Direct Savings: Many of our products ship directly from the manufacturer, allowing us to offer prices closer to wholesale. Message us for hidden discounts and score your best deal yet!

Remember: Not every whisper yields a hurricane, but we're always game to explore and try to sweeten the pot. Don't hesitate to reach out – your dream gear might be just a message away!

Unwavering Quality, Guaranteed

Your adventure deserves the best, which is why we offer a hassle-free return policy and a guarantee on all products:

Inspect Upon Delivery: Give your package a quick once-over. If anything looks amiss, note it with the delivery person.

Contact Us Right Away: We understand mishaps happen. Shoot us an email with photos of the damage and your order number to [customer support email].

Relax and Refuel: We'll get a replacement or repair on its way ASAP, free of charge for damaged or incorrect items.

A Word on Manufacturer Policies:

While we strive to provide clear and comprehensive information on warranties, return stipulations, and other policies for the products we offer, it's important to remember that some products may also be subject to the individual policies of their manufacturers.

To get the most complete understanding of a product's specific policies, we recommend visiting the manufacturer's website or contacting them directly. This will ensure you have all the information you need to make informed purchasing decisions.

Returns: 30 Days to Wander, Then Decide

Change of heart? No worries! You have 30 days to explore any unused item in its original packaging for a full refund, minus a 10% restocking fee. Just email us to get started.

Additional Notes:

    • Free return shipping for damaged or incorrect items.
    • Orders cancelled within 24 hours are exempt from return shipping fees.
    • Some pre-owned or used items may have different return policies (details on product pages).

Adventure Awaits: Let's Unleash It Together!

With transparent shipping options, direct shipping savings, a dedication to hidden discounts, unwavering quality, and hassle-free returns, you can focus on what matters most - crafting your next epic escape. And if you ever have questions, our friendly customer support team is always just a message away.

We're not just selling gear, we're fueling your wanderlust one whispered deal at a time. So, what are you waiting for? Let's unleash your adventure together!