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Delta Plus Extra Battery Pack
Boost Delta power for longer trips and reliable home backup every day
✔️Extend runtime 2x for home backup
✔️Reduce downtime during outages at home
✔️Power tools longer on remote jobsites
✔️Maintain capacity over years of daily use
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Saved my weekend trips and kept the whole campsite powered without stress. Simple hookup, quiet operation, and the app makes monitoring easy. Felt safe during an outage and finally stopped worrying about running out of power — big relief for family plans and remote work alike.
Joseph T.
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We love our products and are confident you will too! That's why we are offering a 30-Day, Risk-Free Trial. If you are not in love with your results, we will give you a refund.
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Running out of power during outages and trips
Add extra capacity so your Delta keeps phones, fridge, and tools running during storms or camping. Experience uninterrupted power and peace of mind when grid power fails or when you’re off-grid.
Extend runtime and confidence during outages
Extra Wh capacity and LFP chemistry give longer runtime, more cycles, and predictable backup for daily life and emergencies.
🔋
Longer Life
LFP chemistry delivers many more charge cycles reliably.
⚡
More Power
Extra Wh increases run time for tools and appliances.
📱
Smart Control
Use the EcoFlow app to monitor and manage power remotely.
🛠️
Easy Setup
Plug-and-play design pairs quickly without technical fuss.
What Makes Delta Plus Extra Battery Pack Special
Unlike others, this extra battery uses LiFePO4 chemistry and app control for longer life, predictable performance, and easy setup—practical benefits for daily backup and outdoor use.
Delta Plus Extra Battery Pack
Others
Longevity
Capacity
Compatibility
Convenience
Affordable
Proven to improve backup reliability fast
98%
Reported significantly longer appliance runtime during outages.
97%
Experienced easier power management with app monitoring.
96%
Noticed slower capacity fade across years of daily use.
Battery health that fades after a few years
LiFePO4 chemistry delivers longer life and more cycles than typical lithium batteries. Get years of daily charging cycles before noticeable capacity loss, saving replacement costs and hassle.
Common Questions About the Delta Extra Battery
Clear answers to help you choose with confidence and avoid surprises
How does this extend Delta run time?
How does this extend Delta run time?
The extra Wh capacity connects directly to your Delta unit, multiplying runtime for appliances and devices so you can run refrigerators, tools, or lights much longer during outages or trips.
Is the battery easy to install and use?
Is the battery easy to install and use?
Yes. It’s plug-and-play with the Delta series and works with the EcoFlow app for simple pairing, monitoring, and control—no technical installation required.
How long will the battery hold capacity?
How long will the battery hold capacity?
LiFePO4 chemistry provides many more charge cycles than standard lithium batteries, keeping most capacity over years of daily charging and reducing replacement frequency.
Can I use it for camping and job sites?
Can I use it for camping and job sites?
Absolutely. Extra capacity powers heavy loads like power tools, portable fridges, and lighting, making it ideal for remote work, camping, and emergency response.
What about warranty and support?
What about warranty and support?
Manufacturer warranty covers defects and EcoFlow offers customer support through the app and website so you get help setting up and optimizing your system.
30-Day Money-Back on Delta Plus Extra Battery Pack
Try the Delta Plus Extra Battery Pack risk-free for 30 days. If it doesn’t extend runtime or simplify backup power as promised, return it for a full refund. This guarantee lets you test real outcomes—longer runtime, reliable backup, and easier power management—without risk.
People love the extra battery
Real customer feedback you can trust
Ryan F.
Verified Buyer
Used it for a weekend off-grid with friends; ran lights, speakers, and a small cooker without issues. Lightweight enough to tote, and the monitoring app is handy.
Mark W.
Verified Buyer
I used this during a week-long outage and it handled daily essentials easily. Loved the simple plug-and-play and the app tracking keeps me confident about remaining charge.
Mike R.
Verified Buyer
Works as advertised.
Jason M.
Verified Buyer
Installed it in minutes and I can run my fridge overnight during storms, huge relief.
Owen J.
Verified Buyer
I was skeptical but it really stretched my power through multiple evening tasks. Noticed steady performance and the unit stayed cool, which mattered a lot.
Nick A.
Verified Buyer
Bought for camping and ended up using it at home during a storm. Quiet, reliable, and the extra capacity meant no mid-night scramble to conserve power.
Eric T.
Verified Buyer
Perfect for remote work days when power hiccups happen; kept my laptop and router running without panic.
Tom C.
Verified Buyer
Compact enough to move around, and it extended runtime more than I expected. Great for tailgates and tools on the jobsite.
Alex P.
Verified Buyer
Easy setup and solid backup for weekend trips, no fuss.
David L.
Verified Buyer
Very happy.
Kevin B.
Verified Buyer
Doubled runtime on my essentials, charging feels reliable and the unit stays cool under load.
Brian K.
Verified Buyer
Good capacity boost, easy app controls, gives peace of mind for outages.
Derek N.
Verified Buyer
Helped me keep medical gear running during a short outage and reduced stress big time. Solid build, predictable performance, and the extra runtime made a real difference in comfort.
Sam H.
Verified Buyer
Saved a weekend getaway when the campground power failed. Kept lights, phone charging, and a small fridge going all night.
Paul S.
Verified Buyer
Honestly exceeded expectations on run time and reliability. Setup was painless, and it gave me uninterrupted work-from-home power when the grid went down. A few thoughtful design touches make daily handling and storage simple, so it becomes part of your routine.
Luke G.
Verified Buyer
Great backup during a multi-day outage: powered fridge, modem, lights, and charged phones. The app made it easy to schedule charging and monitor battery health over several days, which felt reassuring.
Chris S.
Verified Buyer
Game changer!
