Ecoflow Delta 2 Extra Battery

The Ecoflow Delta 2 Extra Battery is a portable power station that provides additional power for outdoor activities or emergencies. It is designed to be lightweight and easy to carry.


Brand: Ecoflow
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The Ecoflow Delta 2 Extra Battery is a high-capacity lithium-ion battery designed to provide additional power to the Ecoflow Delta 2 portable power station. With a capacity of 3,126Wh, this battery can provide up to 8 hours of power for a variety of devices, including laptops, smartphones, and even small appliances.

The Ecoflow Delta 2 Extra Battery is designed to be easy to use and transport. It features a compact, lightweight design that makes it easy to carry with you wherever you go. The battery can be charged using the Ecoflow Delta 2 power station or with a compatible solar panel, making it a great option for outdoor enthusiasts and off-grid adventurers.

In addition to its impressive capacity, the Ecoflow Delta 2 Extra Battery also features a number of advanced safety features. These include overcharge protection, over-discharge protection, short circuit protection, and overcurrent protection. These features help to ensure that the battery remains safe and reliable, even under demanding conditions.

Overall, the Ecoflow Delta 2 Extra Battery is an excellent choice for anyone who needs additional power for their portable devices. With its high capacity, advanced safety features, and easy-to-use design, this battery is sure to provide reliable power whenever and wherever you need it.

Ecoflow Delta 2 Extra Battery

[Product Details]

• Expandable capacity

• Huge AC output

• 7x Faster AC charging

• Or go green without sacrificing speed

• Plug and play home backup power

• Built to last 6x longer

• Control from anywhere

Make it a triple. Expand capacity.

With a capacity of 1kWh to start with, you’ve got enough energy for your essentials for hours on end. Need even more? Add on the DELTA 2 extra battery to reach 2048Wh, or add on the DELTA Max Extra Battery to hit 3040Wh. Great for home backup or everyday appliances.

Power pretty much anything.

A 1800W AC output means you can power more than 90% of your home appliances. That’s your microwave, fridge, or even coffee maker covered in a blackout. Or, try plugging in up to 15 devices at once for when you’re around the table with the family. Unlike other brands, DELTA 2 can prevent overloading from devices up to 2200W thanks to X-Boost technology.

Go green without sacrificing speed.

Pair with solar panels and charge in as fast as 3-6 hours with 1x400W, 2x220W portable solar panels. With its MPPT (Maximum Power Point Tracking) smart algorithm, DELTA 2 can actively detect the voltage and current in real-time to reach the maximum power point with >98% efficiency. That means a more efficient charge than other brands.

Safety first

DELTA 2’s built-in battery management system regulates vitals to keep it safe, secure, and built to stand the test of time.

Plug and play home backup power

A simple power outage solution to power your essential home appliances with 1800W AC output by directly connecting the DELTA 2 with your home’s power inlet box* with a generator cord for partial home backup. With a plug-and-play design, it’s easier than ever to prepare for blackouts. *including transfer switch or GenerLink which has a male L14-30 twist-lock connection that can accept a L14-30 extension cord.

What’s In The Box

DELTA 2 2.AC Charging Cable3. Car charging cable 4. DC5521 to DC5525 cable 5.User Manual6. App quick start guide 7. Warranty card



1024 Wh

Extra Battery

Support one DELTA 2 extra battery or DELTA Max extra battery

AC Output

6 outlets, 1800W total (Surge 2700W)

Max Device(s) Power (with X-Boost)


USB-A Output

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

USB-A Fast Charge

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

USB-C Output

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

Car Power Output

1 port, 12.6V, 10A, 126W Max

DC5521 Output

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

AC Charging


Solar Charging

11-60V, 15A, 500W max

Car Charging

Support 12V/24V battery, 8A

DC Charging


Battery Chemistry

LFP (LiFePO4 battery)

Cycle Life

3000 cycles to 80+% capacity


Wi-Fi & Bluetooth


15.7 x 8.3 x 11 in / 400 x 211 x 281 mm

Net Weight

27 lbs / 12 kg

Ecoflow, Delta 2, Autonomie electrique

Delta Max Extra; Delta 2

Weight 16.50 kg
Dimensions 37.60 × 23.30 × 39.80 cm







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