Review: EcoFlow Delta Pro battery backup

The 3,600kWh capacity of the EcoFlow Delta Pro puts it on the top end of portable batteries. Is it worth the price, at nearly $1 per kWh?
ecoflow backup battery for house appliances

Introducing the world's first portable home battery with an expandable ecosystem for home backup, smart energy management, lower energy bills, and more. The EcoFlow DELTA Pro is the next leap in portable power technology, offering you power security and independence, wherever you are. From tailgate power to extreme blackouts that last for days on end, DELTA Pro delivers up to 25kWh of capacity. With that, you're covered for any situation. That's the industry gold standard.

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EcoFlow DELTA Pro Review

EcoFlow Delta Pro portable power station review

The portable home DELTA Pro supports a 3.6kWh capacity that can be expanded to 25kWh. The kicker? You can integrate it directly with your home circuits via the Smart Home Panel.

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EcoFlow Delta Pro Smart Extra Battery Expandable capacity This add-on battery connects with a DELTA Pro to double total capacity to 7200Wh. Connect two of them to DELTA Pro for a staggering 10.8kWh to use off-grid. Convenient recharging Recharging from solar panels, AC outlets, EV charging stations, or our Smart Generator is easy. Plug the Extra Battery into DELTA Pro and they will recharge and discharge in tandem.

EcoFlow - Delta Pro Smart Extra Battery