High Capacity: 4096 Wh built-in battery — robust energy storage for long runtimes.
Expandable Storage: Can expand up to 12 kWh with up to two extra batteries (single unit) and up to 36–48 kWh in larger systems with multiple units and batteries.
Long Lifespan: LFP (LiFePO₄) battery chemistry with ~4000 cycles to 80 % capacity for years of use.
IP65 Rated Battery Pack: Enhanced durability against dust and water for outdoor and rugged use.
Strong AC Output: 4000 W continuous power with 8000 W surge — enough for heavy appliances like refrigerators, well pumps, and HVAC systems.
X-Boost Support: Can support up to 6000 W of devices using X-Boost mode.
Multiple AC Outlets: Standard 120/240 V outputs for wide appliance compatibility.
USB Outputs:
2 × USB-A Fast Charge ports (up to 18 W each)
2 × USB-C Outputs (up to 100 W each)
12 V DC Outputs: Total 378 W via DC5521 and Anderson ports.
Wi-Fi, Bluetooth & CAN: Smart connectivity for app monitoring and control.
Solar Input: Up to 2600 W solar with two MPPT inputs (high-PV and low-PV) for fast renewable charging.
AC Charging: High-rate AC input for quick recharge.
Car & DC Charging: Supports 12 V and higher-voltage inputs for flexible charging on the go.
10 ms UPS: True uninterruptible power source keeps critical devices running seamlessly during outages.
App Control & Monitoring: Manage outputs, monitor battery status, and control charging remotely via EcoFlow app (Wi-Fi/Bluetooth).
Scalable System Support: Can be linked with multiple DELTA Pro 3 units, Smart Extra Batteries, Smart Generators, and Smart Home Panel for larger home backup systems.
Solid Build: Durable construction with rugged design for indoor/outdoor use.
Portable Design: Integrated wheels and handles help with mobility despite heavyweight size (~51.5 kg / 113.5 lb).
Quiet Operation: Advanced engineering yields low operational noise similar to other EcoFlow units.
✅ Great For:
Whole-home backup power during outages.
Off-grid living or cabin power systems.
RV or mobile home electrical needs.
Running high-draw appliances and tools reliably.
₨ 775,000 ₨ 1,048,799
High Capacity: 4096 Wh built-in battery — robust energy storage for long runtimes.
Expandable Storage: Can expand up to 12 kWh with up to two extra batteries (single unit) and up to 36–48 kWh in larger systems with multiple units and batteries.
Long Lifespan: LFP (LiFePO₄) battery chemistry with ~4000 cycles to 80 % capacity for years of use.
IP65 Rated Battery Pack: Enhanced durability against dust and water for outdoor and rugged use.
Strong AC Output: 4000 W continuous power with 8000 W surge — enough for heavy appliances like refrigerators, well pumps, and HVAC systems.
X-Boost Support: Can support up to 6000 W of devices using X-Boost mode.
Multiple AC Outlets: Standard 120/240 V outputs for wide appliance compatibility.
USB Outputs:
2 × USB-A Fast Charge ports (up to 18 W each)
2 × USB-C Outputs (up to 100 W each)
12 V DC Outputs: Total 378 W via DC5521 and Anderson ports.
Wi-Fi, Bluetooth & CAN: Smart connectivity for app monitoring and control.
Solar Input: Up to 2600 W solar with two MPPT inputs (high-PV and low-PV) for fast renewable charging.
AC Charging: High-rate AC input for quick recharge.
Car & DC Charging: Supports 12 V and higher-voltage inputs for flexible charging on the go.
10 ms UPS: True uninterruptible power source keeps critical devices running seamlessly during outages.
App Control & Monitoring: Manage outputs, monitor battery status, and control charging remotely via EcoFlow app (Wi-Fi/Bluetooth).
Scalable System Support: Can be linked with multiple DELTA Pro 3 units, Smart Extra Batteries, Smart Generators, and Smart Home Panel for larger home backup systems.
Solid Build: Durable construction with rugged design for indoor/outdoor use.
Portable Design: Integrated wheels and handles help with mobility despite heavyweight size (~51.5 kg / 113.5 lb).
Quiet Operation: Advanced engineering yields low operational noise similar to other EcoFlow units.
✅ Great For:
Whole-home backup power during outages.
Off-grid living or cabin power systems.
RV or mobile home electrical needs.
Running high-draw appliances and tools reliably.
High Extra Capacity: Adds 4096 Wh of additional energy storage to your DELTA Pro 3 system — effectively increasing usable battery capacity.Scalable Storage: Supports expandable system capacity up to 12 kWh when paired with two extra batteries.
LFP Battery Chemistry: Uses long-lasting LiFePO₄ (LFP) cells for durability, safety, and efficiency.
Long Cycle Life: Designed for ~4000 life cycles to 80 % capacity, giving years of reliable performance.
Plug-and-Play Setup: Easy plug-in installation with the EcoFlow DELTA Pro 3 — no complex wiring required.
Compact & Portable: Relatively compact design for a large-capacity battery, making it suitable for home backup, RV use, or off-grid systems.
LED Display: Built-in LED array display for monitoring status and performance at a glance.
Wi-Fi & Bluetooth Control: Remote monitoring and control via the EcoFlow app when connected with the main DELTA Pro 3 unit.
Wide Temperature Support:
Charging: 0 °C to 45 °C / 32 °F to 113 °F
Discharge: -10 °C to 45 °C / 14 °F to 113 °F
Storage: -10 °C to 45 °C
Built-in BMS: Battery Management System for protection against over-voltage, over-current, temperature extremes, and other issues (typical in EcoFlow LFP batteries).
Designed for EcoFlow DELTA Pro 3: Works seamlessly with the DELTA Pro 3 portable power station.
Stackable Expandability: You can add more than one extra battery to increase total energy storage.
5-Year Warranty: Covered by EcoFlow’s standard warranty for peace of mind.
It’s whisper-quiet with X-Quiet technology, ensuring a peaceful hum*, promising you a night of peaceful sleep even if you keep it beside your bed. It’s so silent that you’ll hardly notice it’s there.
*as low as 30 dB, thanks to our X-Quiet tech
| Specification | Detail |
|---|---|
| Battery Capacity | 4096 Wh (built‑in) |
| Expandable Capacity (Single Unit) | Up to 12 kWh with 2 × extra batteries |
| Expandable Capacity (System) | Up to 36 – 48 kWh (multi‑unit + extra batteries) |
| Battery Chemistry | LiFePO₄ (LFP) |
| Cycle Life | ~4000 cycles to 80% capacity |
| Battery IP Rating | IP65 |
| AC Continuous Output | 4000 W (120/240 V) |
| AC Output with X‑Boost | Up to 6000 W |
| AC Surge Output | 8000 W |
| AC Outlets | Multiple 120V/240V outlets (incl. NEMA 5‑20R, 6‑20R, TT‑30R, L14‑30R) |
| USB‑A Outputs | 2 × Fast Charge: 5/9/12 V, up to 18 W each |
| USB‑C Outputs | 2 × 5/9/12/15/20 V, 100 W max each |
| 12 V DC Output | 12.6 V ⎓ 30 A, 378 W total |
| DC5521 Output | 1 × DC5521 (5 A max) |
| Anderson Port | 1 × Anderson (30 A max) |
| Solar Charging Input | Up to 2600 W total (high‑PV & low‑PV dual inputs) |
| AC Charging Input | 100–240 V AC (fast charge) |
| Car Charging Input | 12 V ⎓ 8 A / 48 V ⎓ 20 A max |
| UPS Response Time | 10 ms |
| Dimensions | 410.4 × 341 × 693 mm (16.16 × 13.43 × 27.28 in) |
| Net Weight | 51.5 kg (113.54 lb) |
| Connectivity | Wi‑Fi 2.4 GHz / Bluetooth / CAN |
| Operating Temp (Discharge) | -10 °C to 45 °C (14 °F to 113 °F) |
| Charging Temp | 0 °C to 45 °C (32 °F to 113 °F) |
| Storage Temp | -10 °C to 45 °C (14 °F to 113 °F) |
| Warranty | 5 years |
Expandable Capacity: Adds an extra 3600 Wh of usable energy to your DELTA Pro, letting you double (7.2 kWh) or triple (10.8 kWh) total storage by connecting up to two Smart Extra Batteries.
LFP Battery Chemistry: Uses long-lasting LiFePO₄ cells that deliver excellent durability and safety.
Long Cycle Life: Rated for up to 6,500 cycles to 50 % capacity and 3,500 cycles to 80 % capacity, meaning a ~10-year lifespan with daily use.
Plug-and-Play Integration: Simply connect to your DELTA Pro — no complex setup required. The system automatically charges and discharges in unison with the main unit.
Seamless Charging: Supports all DELTA Pro charging methods — AC wall outlets, solar panels, EV charging stations, Smart Generator, and more — so you can recharge wherever you are.
Smart Monitoring: Built-in LCD screen shows battery percentage, input/output power, and time remaining; you can also monitor it via the EcoFlow app.
Emergency Ready: Can be charged directly from the EcoFlow Smart Generator even when not connected to the DELTA Pro — useful in power outages.
Home Integration Support: When paired with DELTA Pro and compatible hardware (like Smart Home Panels), it becomes part of peak-shaving, home backup, and continuous power management systems.
Capacity: ~3600 Wh extra energy
Battery Chemistry: LiFePO₄ (LFP)
Cycle Life: 6,500 cycles to 50 % / 3,500 to 80 %
Weight: Approx. 84 lbs (38 kg)
Dimensions: ~25 × 11.2 × 16.4 in (63.5 × 28.5 × 41.6 cm)
Compatible Models: EcoFlow DELTA Pro (only)
Extending backup power for DELTA Pro systems — ideal during extended outages or when running more devices longer.
Off-grid and outdoor use — provides extra energy capacity for cabins, RVs, or remote locations.
Home energy storage setups — integrates into larger storage solutions and peak shaving strategies.
Flexible recharging with multiple power sources including solar, EV chargers, and generators.
980 Wh Capacity — ample energy to power devices for hours during outages or off-grid trips.
Long-Life LiFePO₄ Battery — durable lithium iron phosphate chemistry with 3000+ cycles while retaining ~80 % capacity for years of service.
Fast AC Charging — recharge from 0 % to 100 % in about 2 hours with AC input using EcoFlow’s fast charge.
Multiple Charging Methods — supports charging from AC wall outlets, solar panels, car charging, and DC input for flexible power anywhere.
AC Output: Rated 500 W continuous with X-Boost up to 650 W, capable of powering small appliances, lights, and electronics.
Multiple Ports: Includes a mix of AC outlets, USB-A, USB-A fast charge, USB-C (100 W), DC, and car power outputs — versatile for various devices.
EPS/UPS Functionality (<30 ms) — seamless automatic switching to battery power in outages, ideal for sensitive electronics (e.g., computers, routers).
App Support & Connectivity: Connect via Wi-Fi and Bluetooth to monitor battery status, output/input, and settings from the EcoFlow app.
Portable & Lightweight: Compact design weighing ~12–13 kg, easy to carry for outdoor use and storage.
Durable Build: Solid construction suited to everyday use, camping, home, and mobile applications.
Solar Recharge Support: Works with solar panels (up to ~500 W input) — recharge in ~2.9 hours under good sun.
Car Charging Support: Recharge via vehicle power (12 V/24 V) when grid power isn’t available.
Home Backup Power — running essentials during outages, with quick switchover to battery power.
Camping & Outdoor Use — keeping devices, lights, and small appliances powered off-grid.
Travel or RV Life — flexible charging options from AC, solar, or car.
5.12 kWh Nominal Energy — provides substantial energy storage per unit (51.2 V × 100 Ah).
LiFePO₄ Chemistry — safe, stable, and long‑lasting battery cells with superior thermal and chemical stability.
Long Cycle Life: Rated for ≥ 6000+ cycles, meaning many years of dependable performance.
1C Max Discharge Rate: Supports strong power output for various loads.
Recommended Charge/Discharge Current: ~50 A — balanced for everyday energy storage use.
Max Continuous Charge/Discharge: 75 A charge / 100 A discharge, with short peak current up to 110 A (approx. 15 s).
90 % Depth of Discharge (DoD): High usable capacity with minimal energy wasted.
Parallel Expandability: Up to 50 units can be connected in parallel, allowing total system capacity up to ~256 kWh.
Flexible Installation: Designed for wall‑mount, floor‑standing, or stacked installation — adaptable to space constraints and system layout.
Smart BMS (Battery Management System): Built‑in protections for over‑charge, over‑discharge, over‑current, temperature & short‑circuit safety.
Communication Protocols: Supports CAN, RS485, RS232 interfaces for system integration and monitoring.
Optional App/Remote Monitoring: Optional Wi‑Fi/APP monitoring and remote firmware upgrade support available.
Wide Inverter Compatibility: Works with major inverter brands (e.g., SMA, Victron, Solis, GoodWe, Growatt, DEYE, etc.).
Certified & Safe: Designed to meet safety standards like UN38.3, CE‑EMC, IEC62619, ensuring compliance and reliability.
Protection Level: IP20 indoor rating for safe residential installation.
Operating Temperature Range: Designed to handle a broad range of temps, with optional heating function for cold environments.
Reliable Backup Power: Keeps essential circuits running during grid outages.
Solar Energy Storage: Efficient storage of excess PV generation for use at night or during low‑sun periods.
Energy Independence: Modular expansion lets homeowners grow storage capacity over time.
Add Extra Capacity: Adds 1024 Wh of extra battery capacity to your DELTA 2 system, effectively doubling total energy storage to ~2048 Wh for extended runtime.
Durable LFP Battery Chemistry: Built with long-lasting LiFePO₄ cells that maintain 80 %+ capacity after ~3000 cycles, giving an estimated ~10 years of daily use.
Smart Battery Integration: Works seamlessly with the DELTA 2 — the main unit and extra battery charge and discharge in unison for balanced performance.
Fast Recharge: When connected to DELTA 2, can recharge from 0 % to 80 % in about 80 minutes and to 100 % in ~130 minutes (AC input), keeping downtime low.
Multiple Power Inputs (via DELTA 2): Recharge using AC outlets, solar panels, or compatible generators, making it versatile for off-grid and home backup setups.
EcoFlow App Support: View real-time battery status, remaining runtime, charge/discharge data, and more from your smartphone using the EcoFlow app.
LCD Display Info: On-device display shows key metrics like percentage, input/output power, and estimated hours left (varies by retailer model).
Plug-and-Play: No special setup — simply connect to the DELTA 2 power station to expand capacity.
Stackable & Compact: Ergonomic design allows for stacking on top of the DELTA 2 or other units to save space and reduce clutter.
Built-in Battery Management System (BMS) protects against over-voltage, over-current, over-temperature, short circuits, and other electrical risks.
Home Backup Power: Keeps essentials running longer during outages.
Camping & Outdoor Use: Extends run time for off-grid adventures.
Travel & Mobile Deployments: Works well with solar, AC, and generator charging for flexible energy wherever you go.
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