You already know the DELTA Pro 3 is a beast — 4000W of pure, clean power ready to run your fridge, CPAP, power tools, or entire campsite without breaking a sweat. But real nomads and prepared families don’t settle for “enough.” We want more. Way more.
That’s where this 4096Wh Smart Extra Battery comes in.
Strap this bad boy onto your DELTA Pro 3 and instantly jump to over 8kWh of total capacity. Stack another and you’re pushing toward the full 12kWh fortress mode. That’s multiple days of serious power — enough to keep the essentials (or the luxuries) running when the grid ghosts you, when you’re deep in the bush, or when you’re living the van life dream.
Built Like a Tank for the Real World
Automotive-grade LFP cells — safer, cooler, and rated for 4000 cycles to 80% capacity. Translation: this thing will outlast most relationships.
Plug-and-play connection. No fiddling, no drama. Just click it in and watch your available runtime explode.
Rugged 33kg unit with a compact footprint that still travels when you do.
5-year warranty because EcoFlow knows this battery is built to roam.
Whether you’re fortifying your home backup system, extending your off-grid setup, or turning your DELTA Pro 3 into a mobile power station that laughs at cloudy days, this extra battery is the move.
Stop rationing power like it’s the apocalypse.
Own the freedom to use what you want, when you want — for as long as you want.
Add the EcoFlow DELTA Pro 3 Extra Battery to your rig today.
Because half measures are for civilians.
