Best Overall
EF ECOFLOW
EF ECOFLOW Portable Power Station RIVER 3
$239.00
Reference price as of 2026-08-23 — check Amazon for the current price and stock.
An ultra-portable budget power station for phones, lights, and small electronics on camping trips or as an apartment backup.
Full spec sheet
| Key specs | |
| Brand | EF ECOFLOW |
| Price | $239.00 |
| Capacity | 230 Wh |
| Continuous output | 300 W |
| Peak / surge output | 600 W |
| Weight | 7.8 lb |
| Battery chemistry | LiFePO4 |
| Dimensions (L x W x H) | 10 x 8.3 x 4.4 |
| Includes solar panel | No |
| Use cases | Camping, Apartment |
| Other verified specs | |
| Battery cycle life | 3,000 cycles to 80% capacity (manufacturer official site) |
| Noise level | <30 dB (manufacturer official site) |
| IP rating | IP54 water/dust protection on battery pack (manufacturer official site) |
| Spec discrepancy note | Amazon listing title states 550W continuous output; EcoFlow's own US and CA product pages for this 230Wh SKU both state 300W rated/continuous — the 300W manufacturer figure was used here |
Pros
- Very light at 7.8 lb and compact — 30% smaller than the industry average per EcoFlow
- 1-hour full AC recharge with X-Stream fast charging
- X-Boost lets it push output up to 600W for short bursts
- Under-10ms to 20ms UPS switchover protects sensitive electronics
Cons
- 230Wh capacity and 300W continuous output are entry-level — small devices only
- This Amazon listing's title advertises 550W continuous, which conflicts with EcoFlow's own official spec page (300W) for the matching 230Wh SKU — verify before buying
- No independently confirmed customer rating at time of writing
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