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    EcoFlow River 3 Plus Smart Extra Battery Highlights

    • 140W wired charging
    • 3,000 charge cycles
    • EcoFlow RIVER 3 Plus compatible devices
    • Pogo-pin stacking connection connections
    • LiFePO₄ battery chemistry
    • Clip-on stacking installation

    Compare EcoFlow River 3 Plus Smart Extra Battery with Similar Products

    Compare EcoFlow River 3 Plus Smart Extra Battery specs, features and price with similar products and alternatives.

    Compare EcoFlow River 3 Plus Smart Extra Battery with Similar Products
    EcoFlow DELTA 2 Max Smart Extra BatteryKSh 109,000

    General

    General specifications comparison
    SpecificationEcoFlow River 3 Plus Smart Extra BatteryEcoFlow DELTA 2 Max Smart Extra Battery
    BrandEcoFlowEcoFlow
    ModelRIVER 3 Plus Smart Extra BatteryEcoFlow DELTA 2 Max Smart Extra Battery
    Product typeExpansion battery with standalone USB-C input/outputReplacement / Expansion Battery

    Electrical

    Electrical specifications comparison
    SpecificationEcoFlow River 3 Plus Smart Extra BatteryEcoFlow DELTA 2 Max Smart Extra Battery
    Battery chemistryLiFePO₄ (LFP)Not specified
    Nominal voltage22.4V nominalNot specified
    Output limits1× USB-C: 5V / 9V / 12V / 15V at 3A maximum; 20V / 28V at 5A maximum; 140W maximumNot specified
    Cycle life and conditions3000 cycles to 80%+ original capacity at 0.5C charge/discharge and 25°CNot specified

    Compatibility & Safety

    Compatibility & Safety specifications comparison
    SpecificationEcoFlow River 3 Plus Smart Extra BatteryEcoFlow DELTA 2 Max Smart Extra Battery
    Compatible devicesEcoFlow RIVER 3 PlusNot specified
    ConnectionsPogo-pin stacking connection; USB-CNot specified
    InstallationClip-on stacking; no interconnecting cable or screws requiredNot specified
    Safety featuresOvervoltage, overload, overtemperature, short-circuit, low-temperature, low-voltage and overcurrent protectionNot specified
    Operating temperatureCharging: 0–45°C; discharging: −10–45°C; storage: −10–45°C; optimal operating/storage temperature: 20–30°CNot specified

    Design & Package

    Design & Package specifications comparison
    SpecificationEcoFlow River 3 Plus Smart Extra BatteryEcoFlow DELTA 2 Max Smart Extra Battery
    In the boxNot specifiedDELTA 2 Max Smart Extra Battery, extra battery cable, user manual and warranty card

    Battery & Charging

    Battery & Charging specifications comparison
    SpecificationEcoFlow River 3 Plus Smart Extra BatteryEcoFlow DELTA 2 Max Smart Extra Battery
    Charging requirementsBidirectional USB-C: 5V / 9V / 12V / 15V at 3A maximum; 20V / 28V at 5A maximum; 140W maximum; charging through a connected RIVER 3 PlusNot specified

    Additional specifications

    Additional specifications specifications comparison
    SpecificationEcoFlow River 3 Plus Smart Extra BatteryEcoFlow DELTA 2 Max Smart Extra Battery
    Brand ModelNot specifiedEcoFlow DELTA 2 Max Smart Extra Battery; EFD350-EB
    Power Station TypeNot specifiedExpansion battery
    Capacity ExpansionNot specifiedBase capacity: 2048Wh Expansion: Compatible hosts: DELTA 2, DELTA Max 2000 and DELTA 2 Max
    Battery Cycle LifeNot specifiedChemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity
    Dc OutputsNot specifiedProprietary extra-battery port: 51.2V DC; 3200W maximum battery output
    Other ChargingNot specifiedCharging through compatible host; extra-battery input: 51.2V DC, 2000W maximum; optional compatible EcoFlow Smart Generator
    Home BackupNot specifiedCompatible with DELTA 2, DELTA Max 2000 and DELTA 2 Max; DELTA 2 Max accepts up to two extra batteries
    Safety BmsNot specifiedBms: Yes Protection: Overvoltage, overload, overtemperature, short circuit, low temperature, low voltage and overcurrent Charging temperature: 0–45°C Discharging temperature: −10–45°C
    Smart FeaturesNot specifiedLCD: battery percentage, input and output power; EcoFlow app monitoring through compatible host
    Dimensions WeightNot specifiedDimensions: 464 × 235 × 283 mm Weight: 19 kg
    Physical FeaturesNot specifiedPortability: Carry handle; storage compartment Warranty: 5-year UK manufacturer warranty

    Specs

    EcoFlow River 3 Plus Smart Extra Battery specifications

    General

    EcoFlow River 3 Plus Smart Extra Battery — General
    BrandEcoFlow
    ModelRIVER 3 Plus Smart Extra Battery
    Product typeExpansion battery with standalone USB-C input/output

    Electrical

    EcoFlow River 3 Plus Smart Extra Battery — Electrical
    Battery chemistryLiFePO₄ (LFP)
    Nominal voltage22.4V nominal
    Output limits1× USB-C: 5V / 9V / 12V / 15V at 3A maximum; 20V / 28V at 5A maximum; 140W maximum
    Charging requirementsBidirectional USB-C: 5V / 9V / 12V / 15V at 3A maximum; 20V / 28V at 5A maximum; 140W maximum; charging through a connected RIVER 3 Plus
    Cycle life and conditions3000 cycles to 80%+ original capacity at 0.5C charge/discharge and 25°C

    Compatibility & Safety

    EcoFlow River 3 Plus Smart Extra Battery — Compatibility & Safety
    Compatible devicesEcoFlow RIVER 3 Plus
    ConnectionsPogo-pin stacking connection; USB-C
    InstallationClip-on stacking; no interconnecting cable or screws required
    Safety featuresOvervoltage, overload, overtemperature, short-circuit, low-temperature, low-voltage and overcurrent protection
    Operating temperatureCharging: 0–45°C; discharging: −10–45°C; storage: −10–45°C; optimal operating/storage temperature: 20–30°C

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