Whole-Home Backup Power Solutions
Keep your home powered through outages and make smarter use of energy every day. EcoFlow whole-home backup solutions combine reliable backup, energy storage, and seamless home power management.
Off-Grid Backup
Stay powered without the grid while flexibly expanding backup power — for outages and lower bills every day.
Any Size. Simple Setup. Serious Power.
EcoFlow's DELTA Pro Ultra Series Power Systems are modular by design — battery, solar input, and smart home panel that start with the essentials and grow in power or in days of backup as your home asks for more. Simple to install and right-sized from day one, they deliver serious backup power that keeps your home running with or without the grid, cuts your energy bills every day, and moves with you.
DELTA Pro Ultra Whole-Home Backup Power (UL 9540 Certificated)
DELTA Pro Ultra X (1 x Inverter + 2 x Batteries) + Smart Home Panel 3
DELTA Pro Ultra X (1 x Inverter + 4 x Batteries) + Smart Home Panel 3
DELTA Pro Ultra + DELTA Pro Ultra Extra Battery + Smart Home Panel 2
On-Grid Backup
Stay connected to the grid while storing energy for backup and everyday use.
One Solution. One Service Interface. One Customer Experience.
EcoFlow's OCEAN home battery ecosystem unifies solar, storage, smart distribution, EV charging, and the EcoFlow App into one intelligent system — every circuit visible, every watt accounted for — delivering smarter, cleaner, more resilient power that protects your family through outages, cuts your energy costs, and moves your home toward real energy independence.
On Grid
EcoFlow OCEAN Pro Solar Battery System
40kW Solar Input
EcoFlow OCEAN Smart Electrical Panel 40
EcoFlow OCEAN Meter Backup Switch
EcoFlow OCEAN Gateway
EcoFlow OCEAN EV Charger (11.5kW)
Find Your Solution
Explore home battery backup solutions tailored to your power needs.
Choose Off-Grid Backup if you want
If you want backup power on your own terms, EcoFlow's DELTA Pro Ultra Series are the most flexible way to back up your home. Off the grid or on it, they keep your home powered through outages, cut your electricity bill with solar and off-peak charging, grow from a few essentials to whole-home power, and move when you do. Simple to install and right-sized from day one — so you only pay for the power you need today.
Choose On-Grid Backup if you want
If you own your home, OCEAN Pro is the smartest way to get the most out of your solar. Tied to the grid, it cuts your electricity bill with TOU optimization, turns your battery into income through VPP, charges your EV straight from the sun, and keeps your whole house running through outages. Backed by a 15-year warranty, it's built to pay off for years.
FAQ on Home Battery Backup
How much does a whole home backup battery cost?
Prices vary based on battery capacity, system size, and installation complexity. EcoFlow whole-home backup solutions are available across different configurations to match various backup and energy needs.
How long do home backup batteries last?
EcoFlow lithium iron phosphate (LiFePO4) batteries are designed for longevity, with product lifespans ranging from 5 to 15 years or several thousand full charge cycles. Actual lifespan depends on usage patterns and operating conditions.
Can a home battery backup power my entire house?
Yes! EcoFlow's Whole Home Backup systems deliver reliable solar power for your home. With sufficient capacity, these systems can seamlessly power critical loads or your entire home during an outage, including essentials like lights, fridge, internet, and HVAC (depending on kit size).
How long will a home battery last during a power outage?
Backup time depends on your battery's capacity (kWh) and your home's energy usage. EcoFlow systems offer modular expandability. A properly sized system can keep essential circuits running for hours to days or longer.
Can I add solar panels to my home battery backup system?
Absolutely. EcoFlow Whole Home Backup works with solar panels to recharge batteries using clean energy. On-grid solutions can help reduce grid reliance and lower electricity costs, while off-grid solutions use solar to recharge batteries and help extend backup time when sunlight is available.
Does a home battery reduce my electricity bill?
Yes! By storing cheaper off-peak grid power or solar energy generated during the day, you can use it during peak rate periods, lowering your bill via load shifting. This "Time-of-Use" optimization makes EcoFlow an investment in savings and backup.
