High Capacity Base Battery: 3,600 Wh — enough to power major home appliances, tools, and electronics for extended periods. Expandable up to ~25 kWh with extra batteries and system add-ons.
Long-Life LFP Chemistry: Uses LiFePO₄ battery cells with thousands of cycles of charge/discharge before significant degradation, offering years of reliable use.
Strong AC Output: Up to 3,600 W continuous AC power — powerful enough for refrigerators, power tools, air conditioners, and more.
X-Boost Support: Can increase peak power up to about 4,500 W (single unit) for high-demand devices.
Pair Two Units: Combine two DELTA Pro units for up to 7,200 W output — ideal for whole-home backup with heavy loads.
Various Outputs: Includes AC outlets, USB-A, USB-A fast charge, USB-C, DC5521, car power port, and a high-current Anderson port — versatile for many devices and appliances.
MultiCharge System: Can charge via multiple methods at once (AC wall, solar, EV charger, smart generator) for record-breaking speeds — up to ~6,500 W input combined.
Fast Wall Charging: Fully recharge in roughly 1.9–2.7 hours from a standard AC outlet using X-Stream charging.
Solar Compatibility: Solar input up to ~1,600 W — compatible with most third-party solar panels for renewable charging.
EV Station Charging: Can be charged at EV fast-charging stations — high-speed recharge on the go (varies by region).
Smart Home Integration: Works with an optional Smart Home Panel to integrate with home circuits and provide automatic backup power.
Smart Generator Auto-Start: Supports EcoFlow Smart Generator integration — auto-start when battery is low and stop when charged.
App & Remote Control: Monitor and control power flows, battery status, settings, and charging via the EcoFlow app or remote.
Scalable Capacity: Up to ~25 kWh with additional batteries and system add-ons for long outages or full home power needs.
Modular Setup: Compatible with extra batteries, solar trackers, smart generators, and home panels for a fully customizable power system.
Portable & Heavy-Duty: Built for rugged use — can serve home backup, outdoor jobs, RVs, and off-grid living.
High Safety Standards: Built-in battery management system (BMS) protects against over-voltage, over-current, and temperature extremes.
Whole-home backup power during blackouts — keeps essentials running and integrates with home circuits.
Off-grid living, cabins, RVs, and outdoor projects with high-demand power needs.
Powering heavy appliances like AC units, dryers, refrigerators, and multiple devices simultaneously.
Fast recharge on the go — via AC, solar, or EV charging station.
Expandable renewable energy setups with solar and battery add-ons.
₨ 434,999 ₨ 568,499
High Capacity Base Battery: 3,600 Wh — enough to power major home appliances, tools, and electronics for extended periods. Expandable up to ~25 kWh with extra batteries and system add-ons.
Long-Life LFP Chemistry: Uses LiFePO₄ battery cells with thousands of cycles of charge/discharge before significant degradation, offering years of reliable use.
Strong AC Output: Up to 3,600 W continuous AC power — powerful enough for refrigerators, power tools, air conditioners, and more.
X-Boost Support: Can increase peak power up to about 4,500 W (single unit) for high-demand devices.
Pair Two Units: Combine two DELTA Pro units for up to 7,200 W output — ideal for whole-home backup with heavy loads.
Various Outputs: Includes AC outlets, USB-A, USB-A fast charge, USB-C, DC5521, car power port, and a high-current Anderson port — versatile for many devices and appliances.
MultiCharge System: Can charge via multiple methods at once (AC wall, solar, EV charger, smart generator) for record-breaking speeds — up to ~6,500 W input combined.
Fast Wall Charging: Fully recharge in roughly 1.9–2.7 hours from a standard AC outlet using X-Stream charging.
Solar Compatibility: Solar input up to ~1,600 W — compatible with most third-party solar panels for renewable charging.
EV Station Charging: Can be charged at EV fast-charging stations — high-speed recharge on the go (varies by region).
Smart Home Integration: Works with an optional Smart Home Panel to integrate with home circuits and provide automatic backup power.
Smart Generator Auto-Start: Supports EcoFlow Smart Generator integration — auto-start when battery is low and stop when charged.
App & Remote Control: Monitor and control power flows, battery status, settings, and charging via the EcoFlow app or remote.
Scalable Capacity: Up to ~25 kWh with additional batteries and system add-ons for long outages or full home power needs.
Modular Setup: Compatible with extra batteries, solar trackers, smart generators, and home panels for a fully customizable power system.
Portable & Heavy-Duty: Built for rugged use — can serve home backup, outdoor jobs, RVs, and off-grid living.
High Safety Standards: Built-in battery management system (BMS) protects against over-voltage, over-current, and temperature extremes.
Whole-home backup power during blackouts — keeps essentials running and integrates with home circuits.
Off-grid living, cabins, RVs, and outdoor projects with high-demand power needs.
Powering heavy appliances like AC units, dryers, refrigerators, and multiple devices simultaneously.
Fast recharge on the go — via AC, solar, or EV charging station.
Expandable renewable energy setups with solar and battery add-ons.
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.
Introducing the world’s first portable home battery with an expandable ecosystem for home backup, outdoor recreations, professional production, smart energy management, lower energy bills, and more. The EcoFlow DELTA Pro is the next leap in portable power technology, offering you power security and independence, wherever you are.
A single DELTA Pro unit packs 3600W AC output, expanded up to 4500W with X-Boost technology. Power 99.99% of heavy-duty devices at home, outdoors, or at work. You can even pair two units together to achieve 7200W.With its long-lasting power, even during power outages, your kitchen stays fully powered and worry-free.
With a DC-coupled EcoFlow Smart Generator, get up to 40% more efficient charging with less energy loss
Never run out of power on your road trips with the EcoFlow 800W Alternator Charger. Utilize the excess energy generated by your vehicle to turn every minute on the road into a free battery recharge.
Replace noisy, smoky generators with a silent, fume-free, portable home battery. Unlike generators, batteries are ideal for both outdoor and indoor use, running all your essentials during a blackout. And, with the help of solar energy, recharge during an extended outage.
Take your home backup power to the next level and completely free yourself from the grid by seamlessly integrating DELTA Pro with your home circuits via the Smart Home Panel. With uninterrupted power and smart energy management using the EcoFlow app, lower your energy bills and carbon footprint from the palm of your hand.
The EcoFlow DELTA Pro ecosystem stores energy during the day, reducing your reliance on the grid and lowering your bills by combating peak energy rates. Integrate DELTA Pro with your home using the EcoFlow Smart Home Panel, then use the EcoFlow app to break down your energy habits or customize your energy usage to fit your needs.
Draw power from your DELTA Pro(s) to power your home during peak rate hours, lowering your bills and reducing pressure on the grid. Use low-cost or renewable energy during off-peak hours to recharge your DELTA Pro(s).
DELTA Pro sports a brand-new LFP battery with 6500 cycles, which means you can use DELTA Pro for years and years before your unit reaches 50% of the original capacity. EcoFlow’s battery management system provides real-time analysis and regulation of voltage, current, and temperature. This unique protection mechanism makes DELTA Pro an incredibly safe and efficient home battery.
| Specification | Detail |
|---|---|
| Capacity | 4 kWh (~3600 Wh nominal) |
| Battery Chemistry | LFP (LiFePO₄) |
| Expandable Capacity (System) | Up to 10.8 kWh |
| Cycle Life | ~6,500 cycles to 50% / ~3,500 cycles to 80% capacity |
| Net Weight | Approx. 99 lb (45 kg) |
| Dimensions (mm) | Approx. 635 × 284 × 420 mm |
| Dimensions (in) | Approx. 25 × 11.2 × 16.4 in |
| AC Output | 4 outlets, 230 V/16 A, 3600 W (Surge 7200 W) |
| USB-A Output | 2 ports, 5 V ⎓ 2.4 A / 12 W Max |
| USB-A Fast Charge | 2 ports, 5 V/9 V/12 V, 18 W Max per port |
| USB-C Output | 2 ports |
| DC5521 Output | 2 ports, 12.6 V ⎓ 3 A, 38 W Max per port |
| DC Output (12V/24V) | 12.6 V ⎓ 30 A, 378 W Total |
| Car Power Output | 12.6 V ⎓ 10 A, 126 W Max |
| UPS | 10 ms switchover ◆ |
| Warranty | 5 years |
| Supported Extra Battery | EcoFlow DELTA Max Smart Extra Battery ✓ |
| Supported Extra Battery | DELTA 2 Max Smart Extra Battery ✓ |
The capacity is typically marketed around 4 kWh, which is based on the ~3600 Wh nominal cell capacity.
UPS 10 ms † means fast switchover suitable for most electronics.
Built-in 298Wh Battery for off-grid operation — cools items at 39°F (4°C) for up to ~43 hours (35L) or ~39 hours (45L/55L) on a full charge.
Efficient Cooling System — uses a high-efficiency copper wire compressor that cools quickly with reduced power use, extending battery life.
Precise Temperature Control — advanced sensors keep temperatures stable within ±1°C / ±1.8°F.
Temperature Modes — includes Max Mode for rapid cooling/freezing and Eco Mode to reduce power draw and extend run time.
Variable DUAL-ZONE Cooling on 45L and 55L models — separate fridge and freezer sections with up to ~22°C (39.6°F) difference between zones.
Single-Zone Option (35L) — switchable between fridge and freezer in the smaller model.
Compact & Spacious — holds up to 58 cans (35L), 72 cans (45L), or 90 cans (55L) in a design that’s ~40 % smaller than standard electric coolers.
Dual-Sided Door Access and hidden wide handles make loading, unloading, and transport easier.
Thick Insulation & Sealing — ~2-inch foam and superior sealing improves cooling retention and reduces energy loss.
Multiple Charging Options:
AC Power Adapter (100–240 V, 95 W max)
Car Charging (12 V/24 V, ~100 W)
Solar Input (11–30 V, ~110 W max)
Doubles as a Power Bank: A 100 W USB-C port lets you charge phones/laptops while cooling.
Low Power Consumption: Quiet operation (< 38.5 dB) and energy-efficient cooling.
App Control: Monitor and adjust settings, view real-time battery status, set temperature, schedule shutdowns via the EcoFlow app.
Temperature Alerts: Get notified if internal temperatures drift too far, protecting food safety.
Versatile Use Cases: Ideal for car camping, RV trips, tent camping, tailgating, grocery transport, and outdoor excursions.
Rugged & Portable: Designed with a balanced weight, integrated handles, and protective casing to stand up to outdoor conditions.
Wide Operating Range: Works well in ambient temps from approximately –10°C to 50°C (14°F to 122°F).
IPX4 Splash Resistance — protection against splashing water, helpful outdoors.
Refrigerant: Uses eco-friendly R600a cooling gas.
Warranty: Typically offers a 2-year warranty.
Off-grid cooling for weekend trips
Keeping drinks and perishables chilled on long drives
Tailgating or outdoor gatherings
Backup fridge/freezer during power outages
Large 10000 mAh Capacity — plenty of portable power for phones, tablets, earbuds, and small devices on-the-go.
Fast Wired Charging (Up to 65 W) via built-in USB-C cable — significantly speeds up charging/recharging.
Flash Recharge Support — gets to ~70 % in ~33 minutes and full in ~59 minutes on suitable chargers.
Qi2-Certified 15 W Wireless Charging — quick wireless charging for compatible devices like recent iPhones.
Smart Digital Display (TFT screen) — shows battery level, output status, and recharge time at a glance.
App Control & Customisation — use the EcoFlow app to personalise the display, enable Healthy Charging Mode, and even locate the device with an embedded buzzer.
Bluetooth Connectivity — smart features and monitoring via the EcoFlow app.
Strong Magnetic Attachment — N52 magnets provide a secure, anti-slip grip to compatible phones, making wireless use more reliable.
Built-In Kickstand — supports vertical or horizontal placement for hands-free viewing (video, calls, clock display).
Compact & Portable — slim, pocketable design (≈108 × 70 × 22.9 mm) and lightweight (~258 g).
Advanced Temperature Monitoring — rugged internal cooling system with real-time monitoring (~4.32 million checks/day) to prevent overheating and improve safety/lifespan.
Low-Temp Operation Structure — helps maintain performance and battery health during magnetic charging.
Broad Device Support — charges phones, tablets, laptops, earbuds, and other USB-C devices; wireless charging works best with Qi2-compatible devices (like newer iPhones).
Great for Travel & Daily Use — ideal for trips, commuting, or anywhere you need reliable portable power.
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.
5.12 kWh Nominal Capacity: Provides substantial energy storage for homes and small commercial systems.
LiFePO₄ Battery Chemistry: Uses safe and stable lithium iron phosphate cells for long life and reliability.
100 Ah at 51.2 V Nominal: Balanced capacity and voltage for 48 V solar- and inverter-based systems.
1C Discharge Capability: Supports steady load powering and reliable energy delivery during outages.
Up to 50 Units in Parallel: Scale from a single 5.12 kWh to high-capacity systems (up to ~256 kWh or more) as needs grow.
Modular Installation: Easily expand or tailor capacity for residential and commercial applications.
Wall or Floor Mount: Supports both mounting options with a compact, space-saving footprint.
Wide Compatibility: Works with leading hybrid and solar inverters from brands like SMA, Victron, Solis, GoodWe, Deye, LuxPower, and more (varies by region and firmware/version).
Standard Communication: CAN / RS485 interfaces for inverter integration and system communication.
Real-Time System Monitoring: Built-in support for Wi-Fi/OTA enables remote monitoring and firmware updates (optional or included depending on region).
Smart BMS Protection: Provides multiple safeguards including over-charge, over-discharge, over-temperature, over-current, and short-circuit protections for safe, long-term operation.
≥6000 Life Cycles: Designed for extended service life even under frequent charge/discharge cycles.
Wide Operating Temperature: Typically operates across a broad temperature range (e.g., −20 °C to 55 °C) — often with optional self-heating for cold environments.
Optional Fire Suppression: Can include an intelligent fire extinguishing system capable of detecting and extinguishing a fire in ~5 s (optional accessory in some configurations).
IP20 Indoor Protection: Suitable for indoor installation, protected against dust and physical contact hazards.
Solar Energy Storage: Stores excess PV generation for night or cloudy days.
Backup Power: Keeps essentials running during utility outages.
Hybrid & Off-Grid Systems: Works with hybrid inverters for energy optimization and load shifting.
Expandable Storage Solutions: Easily scalable for larger energy systems by adding more units in parallel.
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