-
Lithium Ion Battery, Solar Batteries
EcoFlow DELTA Pro Smart Extra Battery
0 out of 5(0)EcoFlow DELTA Pro Smart Extra Battery Features
π Core Features
-
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 LiFePOβ 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 β no complex setup required. The system automatically charges and discharges in unison with the main unit.
-
Seamless Charging: Supports all DELTA Pro charging methods β AC wall outlets, solar panels, EV charging stations, Smart Generator, and more β 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 β 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.
π¦ Specifications (Quick Look)
-
Capacity: ~3600 Wh extra energy
-
Battery Chemistry: LiFePOβ (LFP)
-
Cycle Life: 6,500 cycles to 50 % / 3,500 to 80 %
-
Weight: Approx. 84 lbs (38 kg)
-
Dimensions: ~25 Γ 11.2 Γ 16.4 in (63.5 Γ 28.5 Γ 41.6 cm)
-
Compatible Models: EcoFlow DELTA Pro (only)
β Great For
-
Extending backup power for DELTA Pro systems β ideal during extended outages or when running more devices longer.
-
Off-grid and outdoor use β provides extra energy capacity for cabins, RVs, or remote locations.
-
Home energy storage setups β integrates into larger storage solutions and peak shaving strategies.
-
Flexible recharging with multiple power sources including solar, EV chargers, and generators.
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0 out of 5(0)EcoFlow DELTA Pro Features
π Core Power & Battery
-
High Capacity Base Battery: 3,600 Wh β 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 LiFePOβ battery cells with thousands of cycles of charge/discharge before significant degradation, offering years of reliable use.
β‘ Power Output
-
Strong AC Output: Up to 3,600 W continuous AC power β 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 β ideal for whole-home backup with heavy loads.
π Multiple Output Ports
-
Various Outputs: Includes AC outlets, USB-A, USB-A fast charge, USB-C, DC5521, car power port, and a high-current Anderson port β versatile for many devices and appliances.
βοΈ Flexible & Ultra-Fast Charging
-
MultiCharge System: Can charge via multiple methods at once (AC wall, solar, EV charger, smart generator) for record-breaking speeds β up to ~6,500 W input combined.
-
Fast Wall Charging: Fully recharge in roughly 1.9β2.7 hours from a standard AC outlet using X-Stream charging.
-
Solar Compatibility: Solar input up to ~1,600 W β compatible with most third-party solar panels for renewable charging.
-
EV Station Charging: Can be charged at EV fast-charging stations β high-speed recharge on the go (varies by region).
π Smart & Integrated Features
-
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 β 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.
π Expandable Ecosystem
-
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.
π Durability & Practical Design
-
Portable & Heavy-Duty: Built for rugged use β 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.
β Great For
-
Whole-home backup power during blackouts β 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 β via AC, solar, or EV charging station.
-
Expandable renewable energy setups with solar and battery add-ons.
SKU: n/a -
EcoFlow DELTA Pro Smart Extra Battery
EcoFlow DELTA Pro Smart Extra Battery Features
π Core Features
-
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 LiFePOβ 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 β no complex setup required. The system automatically charges and discharges in unison with the main unit.
-
Seamless Charging: Supports all DELTA Pro charging methods β AC wall outlets, solar panels, EV charging stations, Smart Generator, and more β 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 β 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.
π¦ Specifications (Quick Look)
-
Capacity: ~3600 Wh extra energy
-
Battery Chemistry: LiFePOβ (LFP)
-
Cycle Life: 6,500 cycles to 50 % / 3,500 to 80 %
-
Weight: Approx. 84 lbs (38 kg)
-
Dimensions: ~25 Γ 11.2 Γ 16.4 in (63.5 Γ 28.5 Γ 41.6 cm)
-
Compatible Models: EcoFlow DELTA Pro (only)
β Great For
-
Extending backup power for DELTA Pro systems β ideal during extended outages or when running more devices longer.
-
Off-grid and outdoor use β provides extra energy capacity for cabins, RVs, or remote locations.
-
Home energy storage setups β integrates into larger storage solutions and peak shaving strategies.
-
Flexible recharging with multiple power sources including solar, EV chargers, and generators.
₨ 392,000 ₨ 520,999
EcoFlow DELTA Pro Smart Extra Battery
Triple power & save up to 30% on costs
3-10kWh expandable capacity to fit your energy storage needs. Add up to two DELTA Pro Smart Extra Batteries to gain a capacity of 10.8kWh, ideal for home backup, RVing, outdoor adventures, and everyday use. Much more affordable, it costs up to 30% less than a power station of the same capacity.

Charge anytime, anywhere
DELTA Pro’s Smart Extra Battery benefits from all the charging methods DELTA Pro has, including
6500W MultiCharge. That means you can charge anytime, anywhere as long as your extra battery is
connected to DELTA Pro. Once connected, they’ll charge/discharge in uinison, keeping the battery
percent level across both units.

10-year lifespan with an LFP battery
With its upgraded LFP battery chemistry, the DELTA Pro Smart Extra Battery has a lifespan of 3000 complete cycles until it reduces to 80% capacity. You’ll get pretty muchΒ 10 years of power, even if you use it every day. That’s 6Γ longer than other power stations with a similar capacity and output.

Easy to use
There’s no setup. Just plug it into your power station for more energy storage. Using the EcoFlow app, you can charge and monitor the DELTA Pro Smart Extra Battery with ease.

Ready for any emergency
| Specification | Detail |
|---|---|
| Model Name | DELTA Pro Smart Extra Battery |
| Capacity | 3600 Wh |
| Battery Chemistry | LFP (Lithium Iron Phosphate) |
| Battery Cycle Life | ~6,500 cycles to 50% / ~3,500 cycles to 80% capacity |
| Weight | Approx. 84 lbs / 38 kg |
| Dimensions | 25 Γ 11.2 Γ 16.4 in / 63.5 Γ 28.5 Γ 41.6 cm |
| Applicable Models | EcoFlow DELTA Pro series |
| Extra Battery Port Input | 48 V, up to 3200 W Max |
| Extra Battery Port Output | 45 Vβ54 V, up to 4260 W Max |
| Shelf Life | 1 year (after full charge) |
| Operating Temperature Range | Charging: 0Β°Cβ45Β°C; Discharging: -10Β°Cβ45Β°C; Optimal ~20Β°Cβ30Β°C |
| Storage Temperature | -10Β°C to 45Β°C (optimal 20Β°Cβ30Β°C) |
| Protections / Safety | Overload, Over Temp, Short Circuit, Low Temp, Low Voltage, Overcurrent protections |
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π Core Power & Battery
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High Capacity Base Battery: 3,600 Wh β 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 LiFePOβ battery cells with thousands of cycles of charge/discharge before significant degradation, offering years of reliable use.
β‘ Power Output
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Strong AC Output: Up to 3,600 W continuous AC power β powerful enough for refrigerators, power tools, air conditioners, and more.
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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 β ideal for whole-home backup with heavy loads.
π Multiple Output Ports
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Various Outputs: Includes AC outlets, USB-A, USB-A fast charge, USB-C, DC5521, car power port, and a high-current Anderson port β versatile for many devices and appliances.
βοΈ Flexible & Ultra-Fast Charging
-
MultiCharge System: Can charge via multiple methods at once (AC wall, solar, EV charger, smart generator) for record-breaking speeds β up to ~6,500 W input combined.
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Fast Wall Charging: Fully recharge in roughly 1.9β2.7 hours from a standard AC outlet using X-Stream charging.
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Solar Compatibility: Solar input up to ~1,600 W β compatible with most third-party solar panels for renewable charging.
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EV Station Charging: Can be charged at EV fast-charging stations β high-speed recharge on the go (varies by region).
π Smart & Integrated Features
-
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 β 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.
π Expandable Ecosystem
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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.
π Durability & Practical Design
-
Portable & Heavy-Duty: Built for rugged use β 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.
β Great For
-
Whole-home backup power during blackouts β keeps essentials running and integrates with home circuits.
-
Off-grid living, cabins, RVs, and outdoor projects with high-demand power needs.
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Powering heavy appliances like AC units, dryers, refrigerators, and multiple devices simultaneously.
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Fast recharge on the go β via AC, solar, or EV charging station.
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Expandable renewable energy setups with solar and battery add-ons.
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π Power & Battery
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High Capacity: 4096 Wh built-in battery β robust energy storage for long runtimes.
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Expandable Storage: Can expand up to 12 kWh with up to two extra batteries (single unit) and up to 36β48 kWh in larger systems with multiple units and batteries.
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Long Lifespan: LFP (LiFePOβ) battery chemistry with ~4000 cycles to 80 % capacity for years of use.
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IP65 Rated Battery Pack: Enhanced durability against dust and water for outdoor and rugged use.
β‘ Output & Power Delivery
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Strong AC Output: 4000 W continuous power with 8000 W surge β enough for heavy appliances like refrigerators, well pumps, and HVAC systems.
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X-Boost Support: Can support up to 6000 W of devices using X-Boost mode.
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Multiple AC Outlets: Standard 120/240 V outputs for wide appliance compatibility.
π Ports & Connectivity
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USB Outputs:
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2 Γ USB-A Fast Charge ports (up to 18 W each)
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2 Γ USB-C Outputs (up to 100 W each)
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12 V DC Outputs: Total 378 W via DC5521 and Anderson ports.
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Wi-Fi, Bluetooth & CAN: Smart connectivity for app monitoring and control.
βοΈ Charging Options
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Solar Input: Up to 2600 W solar with two MPPT inputs (high-PV and low-PV) for fast renewable charging.
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AC Charging: High-rate AC input for quick recharge.
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Car & DC Charging: Supports 12 V and higher-voltage inputs for flexible charging on the go.
π Smart & Home Integration
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10 ms UPS: True uninterruptible power source keeps critical devices running seamlessly during outages.
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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.
π¦ Design & Practicality
-
Solid Build: Durable construction with rugged design for indoor/outdoor use.
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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.
β Great For:
-
Whole-home backup power during outages.
-
Off-grid living or cabin power systems.
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RV or mobile home electrical needs.
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Running high-draw appliances and tools reliably.
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βοΈ Cooling & Heating Performance
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All-Season Comfort β Provides 5100 BTU cooling and 6100 BTU heating capacity for year-round use.
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Fast Temperature Adjustment β Rapid cooling and heating performance in small spaces (β€ ~10 mΒ² / ~108 ftΒ²).
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Multiple Power Inputs β Supports power from AC mains, car (12/24 V), solar input, or add-on battery; ideal for off-grid or mobile use.
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Solar Ready β Up to 400 W solar input for greener charging.
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Quiet Operation β Noise levels between 44β56 dB β suitable for indoor use or overnight.
π± Smart & User-Friendly
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No-Drain Cooling β In cooling mode, internal condensation is automatically evaporated; no manual drain needed.
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App & Wireless Control β Connect via Bluetooth and 2.4G Wi-Fi to monitor and control settings through the EcoFlow app.
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Multiple Modes & Settings β Includes Eco and Sleep modes to optimize comfort and battery life.
ποΈ Outdoor & Off-Grid Ready
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Portable & Weather-Resistant β Compact, lightweight design (~14.5 kg) and IPX4 splash resistance make it suitable for camping, RVs, vans, cabins, and outdoor events.
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Refrigerant β Uses eco-friendly R290 refrigerant for better cooling efficiency with lower environmental impact.
π Add-On Battery Features
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Battery Capacity: ~1159 Wh battery expands portability and runtime.
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Battery Output: Up to ~820 W max power for extended AC/DC running.
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USB-C & USB-A Outputs: Convenient for charging phones and other small devices from the add-on battery.
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Cycle Life: Designed to retain 80%+ capacity after ~800 cycles.
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Battery Durability: IP65 rating protects against dust and water exposure during outdoor use.
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π High-Capacity & Long-Lasting Battery
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1024 Wh built-in capacity β enough to power devices for hours or support essential appliances during outages.
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Expandable Energy Storage β supports adding one DELTA 2 Extra Battery or DELTA Max Extra Battery to expand capacity up to ~3072 Wh.
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Durable LiFePOβ Battery Chemistry β long lifespan with ~3000+ cycles to 80 % capacity (~10 years of regular use).
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Advanced Battery Management System (BMS) β protects against overload, overheating, and other risks.
β‘ Powerful Output
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1800 W Pure Sine Wave AC Output β can run most home appliances, power tools, and electronics.
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X-Boost Technology β boosts output for heavier loads up to ~2200β2400 W.
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Multiple Outlets & Ports β versatile outputs include AC outlets, USB-A, USB-A fast charge, USB-C (100 W), DC5521, and a car power port for broad device compatibility.
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Auto EPS/UPS Switch β automatic switch to battery power during grid outages for essential devices.
β‘ Fast & Flexible Charging
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X-Stream Fast Charging (AC) β charges from 0 % to ~80 % in ~50 minutes and 100 % in ~80 minutes (AC).
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Solar Charging Ready β supports up to 500 W solar input with MPPT for efficient green charging.
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DC & Car Charging β supports vehicle charging (12 V/24 V) and DC input for extra flexibility.
π± Smart & Convenient
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App Control β monitor power use, set schedules, and adjust settings from your smartphone via Wi-Fi or Bluetooth.
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Part of EcoFlow Ecosystem β integrates with EcoFlow solar panels, extra batteries, and accessories like portable air conditioners or other devices.
π Practical & Portable
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Home Backup-Ready β can be used as a plug-and-play backup power system with partial home integration.
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π‘ Good For
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