About Us Contact Us Shipping Easy Returns Privacy Terms of Service Happy Customers Solar System Size Calculator
Skip to content
Ecoflow DELTA 3 Plus + DELTA 3 Extra Battery Power Kits EcoFlow

Ecoflow DELTA 3 Plus + DELTA 3 Extra Battery

BY: EcoFlow | SKU: EFDELTA3P-D3EB Availability: In Stock
$1,398.00
$1,099.00
You Save: $299.00

Notify me when back in stock

Found a Better Price?

Share it with us now and we will beat it. Get the best deal online - Guaranteed!

Call/Text Us: 877-556-3347
Live Chat With an Expert

  • Authorized EcoFlow Dealer

    Full manufacturer warranty included

  • Free Shipping + No Sales Tax

    More savings on every purchase

  • Easy 30-Day Returns & Price Beat Guarantee

    Risk-free shopping + best price guaranteed

  • Lifetime Expert Support

    Dedicated help whenever you need it

Estimated Delivery Between

and .

Order within to get it by the earliest date.

Ecoflow DELTA 3 Plus + DELTA 3 Extra Battery

Stay powered anywhere, anytime with the EcoFlow DELTA 3 Plus + Extra Battery bundle. Designed for reliable, expandable energy storage, this duo offers a massive combined capacity to support everything from off-grid adventures to home backup. With lightning-fast charging, high output, and smart controls via the EcoFlow app, this system is made for people who want flexible, plug-and-play power—on the road or at home.

Placeholder Image

EcoFlow DELTA 3 Plus + DELTA 3 Extra Battery Features

Massive Expandable Power – Combine the DELTA 3 Plus with the Extra Battery for up to 6kWh of energy storage, perfect for powering your home or off-grid cabin through extended outages or remote adventures.

High Output Performance – With a 2400W AC output (4800W surge), you can run high-demand appliances like fridges, air conditioners, power tools, or even electric grills with ease.

Ultra-Fast Recharging – Recharge from 0–80% in just 50 minutes using AC input. Pair with solar for hybrid charging to stay powered even in remote locations.

Plug-and-Play Expansion – The Extra Battery connects directly to the DELTA 3 Plus with no configuration required—just plug it in and go.

Smart Energy Monitoring – Control output, input, and battery status in real-time with the EcoFlow app via Wi-Fi or Bluetooth.

Portable & Stackable Design – Designed for mobility and compact storage. Stack the battery and main unit to save space in RVs, home setups, or solar sheds.

Placeholder Image

EcoFlow DELTA 3 Plus + DELTA 3 Extra Battery Applications

  • Home Backup Power – Keep your lights, fridge, Wi-Fi, and other essentials running during outages with a dependable and expandable power source.
  • Off-Grid Living – Ideal for cabins, tiny homes, and vanlife. Power your space completely off-grid with solar charging and large storage capacity.
  • Camping & Outdoor Adventures – Bring power to your campsite for lights, cooking gear, electric coolers, or even medical devices—no noisy generator needed.
  • Emergency Preparedness – Stay ready for hurricanes, wildfires, or blackouts with reliable stored energy and fast recharge options.
  • Construction Sites & DIY Projects – Run power tools and equipment without needing a generator or extension cords—quiet and emission-free.
  • Event Power Supply – Ideal for tailgates, outdoor parties, or mobile food vendors that need a clean, portable energy solution.
Placeholder Image

What's Included

Everything you need is included with your product.

  • 1 x EcoFlow DELTA 3 Plus Portable Power Station
  • 1 x AC Charging Cable
  • 1 x Car Charging Cable
  • 1 x DC5521 to DC5525 Cable
  • 1 x EcoFlow DELTA 3 Series Smart Extra Battery
  • 1 x EcoFlow DELTA 3 Extra Battery Cable
  • 1 x Manual
  • 1 x Warranty Card

EcoFlow DELTA 3 Plus Portable Power Station Specifications

Specification Details
Dimensions 97.6 x 202 x 283.6mm | 15.7 x 8.0 x 11.2in
Net Weight 12.5kg | 27.6 lbs
Capacity 1024 Wh
Extra Battery The DELTA 3 Plus supports: EcoFlow DELTA 3 Smart Extra Battery (1kW) | EcoFlow DELTA 2 Smart Extra Battery (2kWh) | EcoFlow DELTA Max Smart Extra Battery (2kWh) | EcoFlow DELTA 2 Max Smart Extra Battery (2kW) | EcoFlow DELTA Pro 3 Smart Extra Battery (4kWh)
Total Output Ports 13
AC Output 6 outlets, 1800W total (Surge 3600W)
Max Device(s) Power (with X-Boost) 2200W
USB-A Output (Fast Charge) 2 ports, 36W Max
USB-C Output 2 ports, 140W Max
Car Power Output 1 port, 12.6V, 10A, 126W Max
DC5521 Output 2 ports, 12.6V, 3A Max
AC Charging 1500W
Solar Charging 2 ports, DC Charge Input, 11V-60V 500W Max
Smart Generator Charging (1.8kW) 1500W
Car Charging 800W in 1.3 Hours
Battery Chemistry LFP (LiFePO4 battery)
Cycle Life 4000 cycles to 80+% capacity
Connectivity APP (TOU / Storm Warning Alert)
Waterproof Level of Battery Pack IP65
UPS <10ms
Noise 600W<30db | 1200W<40db
Warranty 5 years

EcoFlow DELTA 3 Series Smart Extra Battery Specifications

Category Specifications
Weight 9.6 kg | 21.2 lb
Dimensions (W x D x H) 397.6 × 202 × 198 mm | 15.7 × 8.0 × 7.8 in
Extra Battery Port 40V-58.4V⎓48A Max
Extra Battery Port 40V-58.4V⎓24A Max
Rated Capacity 1024Wh (51.2V⎓20Ah)
Cell Chemistry LFP (LiFePO₄)
Cycle Life 80%+ capacity after 4000 cycles
Protection Type Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection
Optimal Operating Temperature 20°C-30°C (68°F-86°F)
Charge Temperature 0°C-45°C (32°F-113°F)
Discharge Temperature −10°C to 45°C (14°F-113°F)
Storage Temperature −10°C to 45°C (14°F-113°F)
Placeholder Image

Frequently-Asked Questions

How do I connect the DELTA 3 Extra Battery to the main unit?

Simply use the included battery connection cable to link the extra battery to the DELTA 3 Plus. It auto-recognizes and balances the charge across both units.

Can I charge the DELTA 3 Plus with solar panels?

Yes! It supports up to 1600W solar input, compatible with most standard solar panels using MC4 connectors.

Does the DELTA 3 Plus support pass-through charging?

Yes. You can use connected devices while the unit is charging, making it ideal for uninterrupted power delivery.

Can I monitor usage and control the system remotely?

Absolutely. The EcoFlow app lets you track input/output, manage battery settings, and even perform firmware updates over Wi-Fi or Bluetooth.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)