Best Ecoflow River 2 Pro Expansion Battery in 2025
Updated on July 2025
#1
Recommended
43% Off
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- Expandable capacity with an additional 2048Wh for DELTA 2 Max.
- Expandable capacity ranges from 2-6kWh; support for up to two Smart Extra Batteries to achieve a total of 6144Wh, suitable for home backup, RVs, and outdoor use.
- Durable performance with an expected lifespan of 10 years or 3000+ cycles, maintaining 80% capacity due to LFP battery chemistry.
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- Expandable capacity with an additional 2048Wh for DELTA 2 Max.
- Expandable capacity ranges from 2-6kWh; support for up to two Smart Extra Batteries to achieve a total of 6144Wh, suitable for home backup, RVs, and outdoor use.
- Durable performance with an expected lifespan of 10 years or 3000+ cycles, maintaining 80% capacity due to LFP battery chemistry.
#2
Value for Money
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- Fast charging: 0-80% in 50 minutes and 0-100% in 80 minutes via AC input, suitable for home backup power.
- Expandable capacity from 1kWh to 3kWh with additional batteries, ideal for camping and off-grid applications.
- 1800W output power supports 90% of appliances with 15 outlets, comparable to outdoor generators without emissions.
- Solar charging capability with up to 500W input, making it practical for camping and RV use.
- Durable LFP battery chemistry provides a cycle life of over 3000 charges, ensuring longevity and safety with auto-regulation.
- Includes EcoFlow DELTA 2 power station, AC and car charging cables, DC cables, user manual, and 5-year customer service.
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- Fast charging: 0-80% in 50 minutes and 0-100% in 80 minutes via AC input, suitable for home backup power.
- Expandable capacity from 1kWh to 3kWh with additional batteries, ideal for camping and off-grid applications.
- 1800W output power supports 90% of appliances with 15 outlets, comparable to outdoor generators without emissions.
- Solar charging capability with up to 500W input, making it practical for camping and RV use.
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#3
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- Recharges fully in just 70 minutes using EcoFlow’s X-Stream fast charging technology.
- Outputs up to 1600W to power 80% of appliances, featuring 11 outlets for simultaneous charging without risk of overload.
- LFP battery cells allow for over 3000 charge cycles, lasting nearly a decade with built-in advanced BMS for voltage, current, and temperature monitoring.
- Can be recharged in 3.5 hours using 220W solar input for sustainable energy usage.
- Lightweight at 17.2 lbs with a built-in handle, making it portable for outdoor and off-grid use.
- Includes portable power station, AC and car charging cables, a DC5521 connection cable, user manual, and a 5-year service warranty.
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- Recharges fully in just 70 minutes using EcoFlow’s X-Stream fast charging technology.
- Outputs up to 1600W to power 80% of appliances, featuring 11 outlets for simultaneous charging without risk of overload.
- LFP battery cells allow for over 3000 charge cycles, lasting nearly a decade with built-in advanced BMS for voltage, current, and temperature monitoring.
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#4
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- Increases DELTA 2 capacity to 2048Wh for versatile power solutions at home or outdoors.
- LFP battery technology ensures a long lifespan, exceeding 3000 cycles for reliable use over years.
- Supports rapid charging through various methods including AC outlets, car adapters, solar panels, and Smart Generators, achieving 0-80% charge in 80 minutes.
- Delivers 1800W output with 15 outlets, capable of powering most household appliances effortlessly.
- Equipped with an LCD screen and EcoFlow app for real-time monitoring of charge status and remaining power.
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- Increases DELTA 2 capacity to 2048Wh for versatile power solutions at home or outdoors.
- LFP battery technology ensures a long lifespan, exceeding 3000 cycles for reliable use over years.
- Supports rapid charging through various methods including AC outlets, car adapters, solar panels, and Smart Generators, achieving 0-80% charge in 80 minutes.
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#5
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- Increases energy storage for RIVER 3 Plus to 572Wh, allowing extended use for devices like car fridges for up to 7.2 hours.
- The extra battery can be used independently with a 140W USB-C port for charging small devices.
- Features LFP battery chemistry for a lifespan six times longer than the industry average, equipped with 40 safety features including overheating protection.
- IP65 waterproof rating ensures protection against splashes, suitable for outdoor environments; designed to endure extreme temperatures and tested against drops from 3.3 ft.
- Offers multiple charging methods through a built-in USB-C port, solar, AC outlet, or car, with fast charging in as little as 1.5 hours.
- Includes RIVER 3 Plus Smart Extra Battery (286Wh), Quick Start Guide, and a 5-Year Service.
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- Increases energy storage for RIVER 3 Plus to 572Wh, allowing extended use for devices like car fridges for up to 7.2 hours.
- The extra battery can be used independently with a 140W USB-C port for charging small devices.
- Features LFP battery chemistry for a lifespan six times longer than the industry average, equipped with 40 safety features including overheating protection.
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#6
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- Increase your energy capacity by adding 572Wh to the RIVER 3 Plus, allowing for longer usage such as powering a car fridge for 10.8 hours.
- The extra battery can operate independently with a 140W USB-C port for charging devices and recharging the battery on the go.
- Designed for longevity, this LFP battery has a lifespan 6 times longer than the industry standard, featuring 40 protective mechanisms against overheating and short circuits.
- Built to endure outdoor conditions with an IP65 waterproof rating and UL 94V-0-rated casing, tested to withstand drops from up to 3.3 feet.
- Multiple charging options include a direct charge via the built-in USB-C port or connecting to the RIVER 3 Plus for solar, AC, or car charging in as little as 2.3 hours.
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- Increase your energy capacity by adding 572Wh to the RIVER 3 Plus, allowing for longer usage such as powering a car fridge for 10.8 hours.
- The extra battery can operate independently with a 140W USB-C port for charging devices and recharging the battery on the go.
- Designed for longevity, this LFP battery has a lifespan 6 times longer than the industry standard, featuring 40 protective mechanisms against overheating and short circuits.
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#7
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- RIVER 3 Plus power station features <10 ms switchover for UPS protection, safeguarding home offices and gaming setups from power surges.
- Delivers a steady output of 600W, surging to 1200W with X-Boost, equipped with multiple outlets including UPS-supported AC, USB-A, and USB-C.
- Designed for efficiency, offering double runtime for appliances under 100W, operates quietly at 30 dB, ensuring minimal disturbance.
- Expandable with compatible Extra Batteries for increased capacity; features technology for easy connection.
- Supports AC charging from 0-100% in 1 hour and can recharge via solar input in about 1.5 hours.
- Includes a long-lasting LiFePO4 battery rated for 3000 cycles, with strong protection against water and fire.
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- RIVER 3 Plus power station features <10 ms switchover for UPS protection, safeguarding home offices and gaming setups from power surges.
- Delivers a steady output of 600W, surging to 1200W with X-Boost, equipped with multiple outlets including UPS-supported AC, USB-A, and USB-C.
- Designed for efficiency, offering double runtime for appliances under 100W, operates quietly at 30 dB, ensuring minimal disturbance.
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#8
25% Off
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- Expandable capacity from 3.6kWh to 7.2kWh with an extra battery for extended power supply to essential appliances.
- Compatible with multiple charging methods, including 6500W MultiCharge, for convenient charging anytime and anywhere.
- Supports 1800W DC fast charging with EcoFlow Smart Generator, providing an emergency power source even when disconnected from DELTA Pro.
- Features an LCD screen displaying output, input, remaining charge, and time remaining for easy monitoring.
- Allows remote monitoring and control of battery status through the EcoFlow app.
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- Expandable capacity from 3.6kWh to 7.2kWh with an extra battery for extended power supply to essential appliances.
- Compatible with multiple charging methods, including 6500W MultiCharge, for convenient charging anytime and anywhere.
- Supports 1800W DC fast charging with EcoFlow Smart Generator, providing an emergency power source even when disconnected from DELTA Pro.
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#9
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- Recharge in just 1 hour using any standard AC outlet with EcoFlow's X-Stream technology.
- Operate up to 11 devices simultaneously with an output of 1000W, featuring multiple port options including 300W AC outlets and USB-C.
- The LiFePO4 battery offers over 10 years of lifespan with built-in BMS protection for voltage, current, and temperature monitoring.
- Efficient solar charging allows for recharging in as little as 2.3 hours with 220W of solar input, suitable for outdoor use.
- Weighing only 13.3lbs, the RIVER 2 Max 500 is lightweight and portable, perfect for camping and backup at home.
- Includes power station, AC and car charging cables, user manual, and a 5-year service plan.
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- Recharge in just 1 hour using any standard AC outlet with EcoFlow's X-Stream technology.
- Operate up to 11 devices simultaneously with an output of 1000W, featuring multiple port options including 300W AC outlets and USB-C.
- The LiFePO4 battery offers over 10 years of lifespan with built-in BMS protection for voltage, current, and temperature monitoring.
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#10
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- Smart Home Panel 2 acts as the central hub for the DELTA Pro Ultra energy system, enabling efficient connection and control of home circuits, plug-and-play inverters, and stackable batteries for comprehensive energy management.
- Compatible with various energy sources, the Smart Home Panel 2 allows for solar integration and connects to gas generators, providing a reliable energy supply while reducing electricity costs.
- Features a 20 ms automatic switchover during power outages, ensuring continuous home power without manual intervention.
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- Smart Home Panel 2 acts as the central hub for the DELTA Pro Ultra energy system, enabling efficient connection and control of home circuits, plug-and-play inverters, and stackable batteries for comprehensive energy management.
- Compatible with various energy sources, the Smart Home Panel 2 allows for solar integration and connects to gas generators, providing a reliable energy supply while reducing electricity costs.
- Features a 20 ms automatic switchover during power outages, ensuring continuous home power without manual intervention.
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