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EcoFlow RIVER 3 EB300 extra battery, 286 Wh, black

242.50 €237.70 €
Products ID: 175284
In supplier warehouse Available to order: 7 pcs. Delivery Time 5–12 business days

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The EcoFlow RIVER 3 EB300 is a 286 Wh extra battery with LFP (LiFePO4) battery chemistry. Its USB-C connection supports both charging the battery and powering connected devices at up to 140 W.

Energy storage and connections

  • Cycle life: 3000 cycles to 80% capacity.
  • USB-C charging: 0–100% in 3.5 hours, with a maximum input of 140 W.
  • EB interface: 17.5–25.5 V, up to 14 A.
  • Size and weight: 234 × 224 × 110 mm, with a net weight of 3.3 kg.

Temperature requirements

The charging temperature range is 0–45 °C, while discharging is supported from -10 to 45 °C. The optimum operating temperature and storage temperature are both 20–30 °C.


Capacity286 Wh / 89 600 mAh
Dimensions234 × 224 × 110 mm
Net weight3.3 kg
Battery chemistryLFP (LiFePO4), lithium iron phosphate
Cycle life3000 cycles to 80% capacity
USB-C output1 × USB-C; 5/9/12/15 V ⎓ 3 A max.; 20/28 V ⎓ 5 A max.; 140 W max.
USB-C charging5/9/12/15 V ⎓ 3 A max.; 20/28 V ⎓ 5 A max.; 140 W max.; 0–100% in 3.5 hours
EB interface17.5–25.5 V / 14 A max.
Optimum operating temperature20–30 °C
Charging temperature0–45 °C
Discharging temperature-10–45 °C
Storage temperature20–30 °C
USB-C input1
Length23.4 cm
Height11 cm
Width22.4 cm
ColourBlack
TypeEnergy storage system
EAN4895251628341
Does USB-C support both input and output?

Yes. USB-C supports charging the battery and powering connected devices, with a maximum power of 140 W in either direction.

How long does USB-C charging take?

The specified USB-C charging time from 0 to 100% is 3.5 hours.

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