Solar Panels
Batteries
BrandEcoflow
EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty
$ 1,899USD · price may vary
BrandEcoflow- Model
- EFDELTAPRO3EB
- Specifications
- 0
Overview
Smart Extra Battery Compatibility - Works seamlessly with EcoFlow DELTA Pro 3 (also compatible with EcoFlow DELTA Pro).
Scalable Power - Expandable up to 12kWh for increased capacity.
Long-Lasting Battery - LFP battery with 4000 life cycles to 80% capacity.
Easy to Use - Plug-and-play design for straightforward operation.
Stackable Design - Perfect for home or indoor power backup applications
An Intelligent Subpanel For Outage Protection And Savings In One
The EcoFlow Smart Home Panel 2 is the center of your whole-home backup solution, working alongside EcoFlow DELTA Pro 3, generators, and solar panels to protect your thome. With a fast, automatic switchover, you'll have reliablebackup whenever needed. It allows you to customize your energy usage based on time-off-use rates and your home's solar energy production.
Plug and Play
The smart extra batteries are easy to connect with the main unit of EcoFlow DELTA Pro 3. Enjoy a seamless, plug-and-play setup. The compact and portable design adds convenience to your power management.
Explore the Secure Feeling EcoFlow Brings to You
Built with state-of-the-art automotive-grade LFP cells for safe and reliable service. Our strong 5-year warranty ensures peace of mind.
Energize Every Moment That Needs Electricity
Power almost all your essential home appliances with the robust 4000W and dual 120V/240V capabilities of a single unit. Add extra batteries to extend the convenience even further.
Cutting-Edge Design, Sleek and Striking
Boosts portability with wider wheels, ergonomic handle, and a compact design. Perfect for dynamic lifestyles and maximizing family space.
Effortless All-in-One Command With the EcoFlow App
Control and monitor your home's power remotely with ease using the EcoFlow app. Track every watt and customize your power usage for optimal efficiency.
What's Included With Your Order?
Ecoflow Delta Pro 3 Smart Extra Battery
Ecoflow Extra Battery Cable
Safety Guide
Quick Start Guide
Warranty Card
Specifications
Capacity 4096Wh
Input Port 40V-58.4V=80A Max
Output Port 40V-58.4V=100A Max
Dimension 694mm*295mm*215mm
Weight 33kg
Compatible with EcoFlow DELTA Pro 3
Dispaly LED Array
Discharge Temperature 14°F~113°F
Charge Temperature 32°F~113°F
Storage Temperature 14°F~113°F
Still have questions? Give us a call at 877-242-2792
Reading the specifications
Detailed specifications for EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty have not been published yet. Ecoflow lists this battery in the Batteries, and we add fields as the manufacturer releases them — in the meantime, ask your distributor for the datasheet before ordering.
For a battery, the figures that matter most are cycle life at a stated depth of discharge, commonly 3,000–6,000 cycles for LiFePO4, round-trip efficiency, around 90–95% for lithium and 75–85% for lead-acid, communication protocol (CAN or RS485) for talking to the inverter and nominal capacity in ampere-hours (Ah) or kilowatt-hours (kWh). Storage is what turns a solar array from a daytime bill-reducer into a system that covers evening loads and rides through outages. It is normally the single most expensive component, so sizing it correctly matters more than with any other part.
Choosing a battery: the checks that matter
The checks below apply to any battery. Run them against the specification table above — most disappointing solar purchases are compatible-on-paper units that fail one of these in practice.
- Leave room to expand. Packs that parallel cleanly let you add capacity later; ones that do not force a full replacement.
- Compare usable kilowatt-hours, not nameplate capacity. A 100 Ah lead-acid battery at 12 V is nominally 1.2 kWh but only about 0.6 kWh is safely usable, while a 100 Ah LiFePO4 pack gives you roughly 1.0–1.2 kWh.
- Size from your evening consumption. Add up what actually runs after sunset for the hours you want covered, then divide by the usable capacity per unit — that number, not the array size, sets how many batteries you need.
- Check the continuous discharge rating against your inverter. A battery that stores plenty of energy but can only deliver 50 A cannot support a large inverter at full output.
What people get wrong
- Mixing old and new batteries, or different chemistries, in one bank. The weakest unit drags the whole bank down and can be damaged by the others.
- Sizing the bank for total daily consumption rather than after-dark consumption, which typically doubles the cost for no benefit.
- Installing lithium packs in an unventilated, hot enclosure. Sustained high temperature is the fastest way to lose cycle life.
Price and availability in United States
EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty is listed at $ 1,899 (USD) for United States. Solar pricing moves with supply, import duties and exchange rates, and distributors set their own margins, so treat this as a comparison reference and confirm the current figure before you order.
SolarBazaar compares equipment rather than selling it. Shortlist here on specification and price, then buy from an authorised distributor or installer in United States: warranty cover on solar hardware is normally honoured through the channel you bought from, so confirm who supports Ecoflow locally before ordering.
EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty — frequently asked questions
How much does EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty cost?
EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty is listed at $ 1,899 (USD) for United States. The figure is indicative — solar prices move with supply, duties and exchange rates, and each distributor sets its own margin — so confirm the current price with a supplier before ordering.
Who makes EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty?
EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty is a Ecoflow product, listed under batteries with model reference EFDELTAPRO3EB. The Ecoflow brand page lists the rest of its range so you can compare across the catalogue.
Is EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty right for my system?
That depends on what it has to connect to. For a battery, check round-trip efficiency, around 90–95% for lithium and 75–85% for lead-acid, communication protocol (CAN or RS485) for talking to the inverter and nominal capacity in ampere-hours (Ah) or kilowatt-hours (kWh) against the rest of your equipment before price enters the decision. Compare usable kilowatt-hours, not nameplate capacity. A 100 Ah lead-acid battery at 12 V is nominally 1.2 kWh but only about 0.6 kWh is safely usable, while a 100 Ah LiFePO4 pack gives you roughly 1.0–1.2 kWh.
Where can I buy EcoFlow DELTA PRO 3 Smart Extra Battery | 4,096Wh Capacity | Expandable Up to 12.3kWh | 5-Year Warranty in United States?
SolarBazaar lists and compares equipment rather than selling it. Use the specifications and price here to shortlist, then buy through an authorised distributor or installer in United States — buying in-channel is what keeps the manufacturer's warranty valid.
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