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EcoFlow River 520 Gen4
EcoFlow's newest small station, announced at IFA 2026. 512 Wh and 500 W in a 10 lb box for trips and light backup.
How long it runs
Estimated from 512 Wh at 85% AC efficiency, using typical average draw.
Specs
| Capacity | 512 Wh |
|---|---|
| Continuous output | 500 W |
| Battery chemistry | LiFePO4 (LFP) |
| Rated cycles | Not published yet |
| Weight | About 10 lb (4.6 kg) |
| Outlets | Not published yet |
| Wall recharge | Not published yet |
| Max solar input | Not published yet |
| Backup switching (UPS) | Not published yet |
What's good
- About 10 lb, easy to carry one-handed.
- X-Boost runs some heating appliances up to 1,000 W at reduced power.
- Twice the capacity of the River 260 Gen4 launched alongside it.
What to know
- Full specs aren't out yet. We'll update this page when EcoFlow publishes them.
- 500 W rules out most kitchen appliances.
- Covers one night of CPAP at 40 W, not two.
Compare it
Put the EcoFlow River 520 Gen4 side by side with every other station in the runtime calculator, or read the reviews of the closest rivals: Jackery Explorer 300 v2, Anker SOLIX C300X DC, Jackery Explorer 300D.
Specs from EcoFlow's IFA 2026 announcement, via ChannelNews and GadgetMatch. Runtimes are our estimates. Specs last checked October 2026.