How Many Times Can the EcoFlow River 2 Charge an E-Bike Battery?

Updated 2026-10-17 · Partial

Not fully. The EcoFlow River 2 gets an e-bike battery to about 38% before it runs flat. A typical e-bike battery holds 500Wh, and charging it takes roughly 575Wh once losses are included.

The numbers

Battery capacity256Wh (LFP)
Usable energy218Wh (85% via AC outlets)
Continuous AC output300W
Surge rating600W
E-bike battery500Wh
Energy per charge575Wh
Full chargesless than one full charge

256Wh × 0.85 = 218Wh usable ÷ (500Wh × 1.15) = 0.4 charges

Station specs: source, checked 2026-10-17. See how we calculate runtime.

Adjust the numbers

Check the label on your e-bike battery and enter its real wattage.

Recharging with solar

The EcoFlow River 2 accepts up to 110W of solar input. In real conditions that harvests about 413Wh on a sunny day (5 peak-sun hours).

Tips

  • Most e-bike batteries are 400–750Wh. Their chargers draw 100–250W.
  • The EcoFlow River 2 uses LiFePO4 (LFP) cells, rated for thousands of cycles, so running it down daily won’t wear it out quickly.

Other power stations running an e-bike battery

Power stationCapacityOutputChargesVerdict
EcoFlow River 3245Wh300Wless than one full chargePartial
Jackery Explorer 240 v2256Wh300Wless than one full chargePartial
Bluetti EB3A268Wh600Wless than one full chargePartial
Jackery Explorer 300 Plus288Wh300Wless than one full chargePartial
Anker SOLIX C300288Wh300Wless than one full chargePartial
Goal Zero Yeti 500X505Wh300Wless than one full chargePartial
EcoFlow River 2 Max512Wh500Wless than one full chargePartial
Anker 535 PowerHouse512Wh500Wless than one full chargePartial

Compare all power stations for an e-bike battery →

FAQ

How long does the EcoFlow River 2 take to recharge with solar?

With its maximum 110W of solar input it refills in about 3.1 hours of strong sun. A single 200W panel is enough to max out its solar input.

More with the EcoFlow River 2

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