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EcoFlow DELTA Pro Smart Extra Battery
When your main power station just isn't enough, the EcoFlow DELTA Pro Smart Extra Battery steps in to double — or even triple — your available energy. Designed to pair directly with the EcoFlow DELTA Pro, this expansion battery delivers an additional 3600Wh of reliable LFP (LiFePO4) power, giving you the freedom to run more devices for longer stretches without breaking a sweat.
Whether you're weathering a power outage, setting up a remote worksite, or enjoying an extended camping trip off the grid, this extra battery ensures your energy supply keeps up with your demands.
Why Add an Extra Battery?
Adding an expansion battery to your existing power station setup is one of the smartest moves you can make for long-term energy resilience. Here's what it unlocks:
Extended Runtime
Keep appliances and devices powered for hours — or even days — longer than a single unit alone.
Whole-Home Backup
Power refrigerators, medical equipment, lighting, and communication tools during prolonged outages.
Off-Grid Capability
Go further and stay longer in remote locations with the confidence that your energy reserves won't run dry.
Scalable System
Stack multiple batteries to build a customized power system that matches your exact energy requirements.
Consumption and Backup Time
Below is an estimate of how long the extra battery can power common household appliances and devices when used as a standalone expansion unit.
| Appliance/Device | Power (W) | Estimated Backup |
|---|---|---|
| LED Lights (10 bulbs) | 100W | ~32 hours |
| Laptop | 60W | ~53 hours |
| Full-Size Refrigerator | 150W | ~21 hours |
| Television (55") | 80W | ~40 hours |
| CPAP Machine | 40W | ~80 hours |
| Portable Heater | 1500W | ~2 hours |
| Electric Drill | 600W | ~5.3 hours |
| Mini Fridge | 60W | ~53 hours |
| Microwave Oven | 1000W | ~3.2 hours |
| Coffee Maker | 900W | ~3.6 hours |
⚙ Modular & Stackable Design
The EcoFlow DELTA Pro Smart Extra Battery is engineered to integrate seamlessly with your existing DELTA Pro unit. Simply connect and stack — it's that straightforward. Build a modular power system that scales with your needs, from a single expansion all the way up to a multi-battery configuration delivering over 10kWh of stored energy.
🔋 4000+ Cycle Lifespan — Built to Last
Equipped with premium LiFePO4 (LFP) battery chemistry, the EcoFlow DELTA Pro Smart Extra Battery is rated for over 4,000 charge cycles before dropping to 80% of its original capacity. That translates to more than a decade of dependable use under normal conditions. Unlike traditional lithium-ion cells, LFP technology offers superior thermal stability, reduced risk of overheating, and a longer overall service life — making it the gold standard for portable and home backup energy storage.
Versatile Power for Every Scenario
From emergency home backup to weekend getaways, the EcoFlow DELTA Pro Smart Extra Battery adapts to your lifestyle and keeps the energy flowing wherever you are.
Use Cases — Powered by DELTA Pro
Mobile & Remote Working Sites
Construction crews, event coordinators, and field researchers all benefit from clean, quiet, portable power. The DELTA Pro Extra Battery provides the additional capacity needed to run power tools, lighting rigs, communication equipment, and computing devices throughout an entire workday — without the noise and fumes of a gas generator.
Home Backup
Storms, rolling blackouts, and grid failures are becoming more common. With the extra battery connected to your DELTA Pro, you gain hours of additional backup for your most essential home systems — refrigerators, medical devices, Wi-Fi routers, and security systems all stay online when it matters most.
Independent Power System
Pair your battery stack with solar panels and you have a fully self-sustaining energy loop. Harvest energy during the day, store it in your DELTA Pro and extra battery units, and draw from it around the clock — completely independent of the utility grid.
Off-Grid Living
Cabins, tiny homes, and remote properties thrive with a modular battery system. The extra battery gives off-grid residents the reserve capacity to comfortably run lighting, kitchen appliances, fans, and entertainment systems without worrying about conservation every minute of the day.
Power Outage? — Ready When the Grid Isn't
Every year, millions of households face unexpected power interruptions — from severe weather events to overloaded grids during peak demand. The EcoFlow DELTA Pro Smart Extra Battery is designed to be your reliable safety net. It charges quickly, deploys instantly, and delivers clean, silent energy to keep your home functioning while you wait for the grid to recover.
Unlike noisy, fuel-dependent generators, this battery system is maintenance-free, produces zero emissions, and can be stored indoors safely — ready to activate at a moment's notice.
More Ways to Put It to Work
Film Making & Photography
Power lighting rigs, cameras, monitors, and editing stations on remote shoots without relying on noisy generators or limited wall outlets.
Mobile Businesses
Food trucks, pop-up shops, and mobile service providers can run blenders, payment systems, signage, and refrigeration all day long.
Marine & Boating
Keep navigation systems, fish finders, radios, lights, and onboard appliances powered during extended trips on the water.
Outdoor Events & Festivals
Sound systems, vendor setups, LED displays, and charging stations can all draw from a DELTA Pro battery stack without running extension cords across a venue.
Outdoor BBQs & Gatherings
Run electric grills, coolers, blenders, string lights, and speakers for backyard parties that go well into the night without a single trip to refuel.
RVing & Camping
Air conditioning, cooking appliances, device charging, and entertainment — the extra battery means your road trips and campsite setups feel more like home.
Beyond the Backyard
Pool Heating & Garden Power
Operate pool pumps, garden lighting, irrigation controllers, and electric yard tools from stored battery energy — reducing your reliance on grid power for outdoor maintenance.
Remote Field Clinics
Medical outreach teams and disaster relief operations need reliable power for diagnostic equipment, lighting, and communication devices in areas with no electrical infrastructure.
Remote Agriculture
Farmers and ranchers can power electric fencing, water pumps, monitoring sensors, and small machinery in fields far from the nearest outlet.
Any Remote Power Need
Whether it's a temporary research station, a remote art installation, a wilderness photography blind, or a weekend market stall — if it needs electricity and the grid can't reach it, the DELTA Pro Extra Battery can.
Multiple Ways to Recharge
Flexibility is at the core of the DELTA Pro ecosystem. You can recharge your extra battery through several methods:
⚡
AC Wall Outlet
Standard household outlet charging via the main DELTA Pro unit.
☀️
Solar Panels
Harness free solar energy for a fully renewable recharging solution.
🚘
Car Charger
Recharge on the road via your vehicle's 12V or 24V outlet while driving.
⚗️
EV Station
Compatible with select Level 2 EV charging stations for rapid top-ups.
Ready to Expand Your Power?
Add the EcoFlow DELTA Pro Smart Extra Battery to your setup and never worry about running out of power again.