EcoFlow DELTA Pro Smart Extra Battery

★★★★★ 4.6 97 reviews

$1,099.00
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Product details

Management number 235327454 Release Date 2026/07/02 List Price $329.70 Model Number 235327454
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EcoFlow DELTA Pro Smart Battery

The EcoFlow DELTA Pro Smart Extra Battery is an expansion accessory designed to increase the energy capacity of the EcoFlow DELTA Pro portable power station. With a massive 3,600Wh capacity per unit, it effectively doubles or even triples the power station’s runtime when connected, making it ideal for extended off-grid adventures, home backup, or professional use. Featuring a sleek, portable design, the battery integrates seamlessly with the DELTA Pro system, allowing real-time monitoring and control through the EcoFlow app. It supports multiple charging methods, including solar, wall outlets, and EV stations, ensuring versatility in various scenarios. Built with high-quality LFP (LiFePO4) battery cells, it offers long-lasting performance with a lifespan of over 3,500 cycles to 80% capacity, providing reliable and sustainable energy for years to come.



DELTA Pro Smart Extra Battery

DELTA Pro Smart Extra Battery Specs

  • Capacity: 3600Wh
  • Weight: Approx. 84lbs
  • Dimensions: 25 x 11.2 x 16.4 in
  • Weight: 6.4lbs
  • Dimensions: 4.89" x 4.72" x 7.87"
  • Battery Chemistry: LFP
  • Battery Cycle Life: 6,500 cycles to 50% capacity, 3,500 cycles to 80% capacity
  • Applicable models: DELTA Pro


DELTA Pro Smart Extra Battery Features

  • Triple power & save up to 30% on costs: 3-10kWh expandable capacity to fit your energy storage needs. Add up to two DELTA Pro Smart Extra Batteries to gain a capacity of 10.8kWh, 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.
  • Charge anytime, anywhere: DELTA Pro's Smart Extra Battery benefits from all the charging methodsDELTA Pro has, including 6500W MultiCharge. That means you can charge anytime, anywhere aslong as your extra battery is connected to DELTA Pro. Once connected, they'll charge/discharge in uinison, keeping the battery percent level across both units.
  • 10-year lifespan with an LFP battery: With its upgraded LFP battery chemistry, the DELTA Pro 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.
  • Easy to useThere'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 Pro Smart Extra Battery with ease.


Delta Pro 3

Your Satisfaction with EcoFlow is Guaranteed:

  • 5-Year Limited Warranty
  • Lowest Price Guarantee

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4.6 out of 5
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97 ratings | 40 reviews
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