DELTA 2 Smart Extra Battery | Expand Your Backup Power Effortlessly

The EcoFlow DELTA 2 Smart Extra Battery is the ultimate companion for expanding your DELTA 2 power station, giving you extra capacity when you need it most. Whether for home backup, RV adventures, or off-grid living, this smart extra battery boosts your energy reserves to keep essential devices running longer during blackouts or outdoor trips.

Key Features:

• Expandable Capacity
  Instantly increase your DELTA 2’s total capacity from 1024Wh to 2048Wh, doubling your energy storage for longer runtimes and more power security.

• Plug-and-Play Simplicity
  Easily connect the extra battery to your DELTA 2 with no technical setup required—just plug it in and start expanding your backup power.

• Smart Energy Management
  Monitor and control your battery usage via the EcoFlow app, giving you real-time insight into your energy consumption and system status.

• Compact & Portable
  Designed with portability in mind, the smart extra battery is lightweight and space-saving, making it ideal for on-the-go use or discreet home storage.

• Built to Last
  Featuring advanced LFP (LiFePO4) battery chemistry, this unit offers 3000+ charge cycles, delivering up to 10 years of reliable use.

Convenient Recharging

DELTA 2 and its Extra Battery charge and discharge in unison. Recharging from portable solar panels, AC outlets, or our Smart Generator is easy.

Fast Recharging

Charge up with DELTA 2 from 0-80% in 80 minutes and 0-100% in 130 minutes with AC input.

Internal Storage Compartment

Get extra storage for accessories conveniently, saving space at home or on the go.

Power Multiple Devices

DELTA 2 fits with every port you'll ever need to power any devices anywhere, so you will always feel right.

Control from anywhere

Get all the same info about battery percent, remaining recharge time, hours left, and more on the built-in screen. You can check the battery's status anywhere from the EcoFlow app.

Double your energy storage for less cost

1kWh expandable capacity to fit your energy storage needs, ideal for home backup, RVing, outdoor adventures, and everyday use. Much more affordable, it costs up to 30% less than a power station of the same capacity.

10-year lifespan with an LFP battery

With its upgraded LFP battery chemistry, the DELTA 2 Smart Extra Battery has a lifespan of 3000 complete cycles until it reduces to 80% capacity. You'll get pretty much 10 years of power, even if you use it every day. That's 6× longer than other power stations with a similar capacity and output.

Fast Recharging

Charge up with DELTA 2 from 0-80% in 80 minutes and 0-100% in 130 minutes with AC input.

Easy to use

There's no setup. Just plug it into your power station for more energy storage. Using the EcoFlow app, you can charge and monitor the DELTA 2 Smart Extra Battery with ease.

Stackable, space-saving design

Featuring an ergonomic, compact design, the DELTA 2 Smart Extra Batteries can be securely stacked on top of power stations and each other to save space and minimize clutter.