How long will an EcoFlow RIVER Pro run a cordless mower battery charger?
About 2.4 hours — 2 h 22 min typically, from 2 h 13 min in the worst case to 2 h 30 min at best. That assumes a cordless mower battery charger pulling 200 W continuously, plus the station's 10 W AC mains socket overhead — 210 W in total out of 496 usable watt-hours.
Fast chargers pull harder; the slow charger that came in the box is kinder to a station.
The numbers
| Setup | Average draw | Cautious | Typical | Best case |
|---|---|---|---|---|
| 1 × cordless mower battery charger, UK 230 V | 210 W | 2 h 13 min | 2 h 22 min | 2 h 30 min |
| 2 × cordless mower battery charger, UK 230 V | 410 W | 1 h 8 min | 1 h 13 min | 1 h 17 min |
| 1 × cordless mower battery charger, US 120 V | 210 W | 2 h 13 min | 2 h 22 min | 2 h 30 min |
- 0.3 nights of eight hours, or 0.1 days of continuous running.
- Usable energy: 496 Wh of the 720 Wh on the box, after chemistry, inverter losses and the reserve.
- To keep it going for a full 24 hours you would need about 6,935 Wh of rated capacity — 9.6× this station.
- Start-up: the cordless mower battery charger asks for 200 W at switch-on against this station's 1,200 W peak — comfortable.
Buy the EcoFlow RIVER Pro
Where to buy
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What changes the answer
| If instead… | Typical runtime | Change |
|---|---|---|
| The pack is two years old | 2 h 10 min | -8% |
| The pack is five years old | 1 h 53 min | -20% |
| It is −10 °C outside | 1 h 53 min | -20% |
| You run it flat, no reserve | 2 h 37 min | +11% |
| You keep 20% back | 2 h 6 min | -11% |
If you need it to run longer
These run a cordless mower battery charger for at least twice as long as the EcoFlow RIVER Pro does, cheapest first.
| Station | Wh | Typical | Indicative price |
|---|---|---|---|
| Jackery Explorer 2000 v2 | 2,042 | 6 h 58 min | £849 / $999 |
| Bluetti AC180P | 1,440 | 4 h 56 min | £899 / $649 |
| OUKITEL P2001 Ultimate | 2,000 | 6 h 49 min | £999 / $1,099 |
| Bluetti AC240 | 1,536 | 5 h 13 min | £1,099 / $999 |
The cheapest step up: Jackery Explorer 2000 v2
Amazon and approved-programme links are affiliate links; the site may earn a commission at no extra cost to you. Links marked “official site” are untracked. Prices and stock change constantly — check before you buy.
Smaller options that still work
| Station | Wh | Typical | Weight | Indicative price |
|---|---|---|---|---|
| Bluetti EB70S | 716 | 2 h 29 min | 9.7 kg | £449 / $429 |
| UGREEN PowerRoam 600 | 680 | 2 h 22 min | 8.4 kg | £449 / $499 |
| Goal Zero Yeti 700 | 677 | 2 h 21 min | 9.2 kg | — / $700 |
| Jackery Explorer 600 Plus | 632 | 2 h 13 min | 7.3 kg | — |
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