Home Power Facts EcoFlow RIVER 3 vs EcoFlow RIVER 3 Plus
The EcoFlow RIVER 3 Plus delivers more usable capacity than the EcoFlow RIVER 3 (about 228 Wh vs 203 Wh). The EcoFlow RIVER 3 Plus has the stronger inverter (600 W vs 300 W continuous). A typical refrigerator runs about not at all on the EcoFlow RIVER 3 and 3.4 h on the EcoFlow RIVER 3 Plus.
Specs verified 2026-10-18. Every value below links to its source.
Where they differ
Better on 1 of 7
EcoFlow RIVER 3
- EcoFlow RIVER 3: lighter (7.8 lb vs 10.4 lb, EcoFlow RIVER 3 Plus).
Better on 6 of 7
EcoFlow RIVER 3 Plus
- EcoFlow RIVER 3 Plus: more usable capacity (228 Wh vs 203 Wh, EcoFlow RIVER 3).
- EcoFlow RIVER 3 Plus: higher continuous AC output (600 W vs 300 W, EcoFlow RIVER 3).
- EcoFlow RIVER 3 Plus: higher surge rating (1,200 W vs 600 W, EcoFlow RIVER 3).
- EcoFlow RIVER 3 Plus: faster AC charging (380 W vs 320 W, EcoFlow RIVER 3).
- EcoFlow RIVER 3 Plus: more solar input (220 W vs 110 W, EcoFlow RIVER 3).
- EcoFlow RIVER 3 Plus: longer warranty (5 years vs 2 years, EcoFlow RIVER 3).
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Specs side by side
| Spec | EcoFlow RIVER 3 | EcoFlow RIVER 3 Plus |
|---|---|---|
| Rated capacity | 245 Wh[source]Manual: 'RIVER 3/RIVER 3 (10 ms UPS): 245Wh 19.2V⎓12.8Ah'. A separate 'RIVER 3 (230)' version is 230Wh. Data is for the standard 245Wh RIVER 3 (model EFR705). | 286 Wh[source]Spec table: 'Capacity 286Wh'. |
| Usable capacity (measured) | 203 Wh[source]The Solar Lab: a 273 W load 'lasted 45 minutes' for 'an efficiency rating of just about 83%'. 83% of 245 Wh = 203 Wh (calculated; 273 W × 45 min ≈ 205 Wh). US 120 V unit. Other result: StorageReview 'measured the full discharge power of 210Wh' with a 300 W fan load (storagereview.com/review/ecoflow-river-3-review). | 228 Wh[source]SmartZone measured 228 Wh at 100 W and 233 Wh at 600 W AC load; the lowest result is used, as for every model. That was the EU 230 V version (Schuko outlets); no US-unit AC discharge test found. StorageReview reported 0.43 kWh discharged, which is more than the 286 Wh rating and is not used. |
| AC continuous output | 300 W[source]Manual (US): '120V~60Hz, 300W total'. X-Boost runs heating/motor devices 'rated at up to 600W'. | 600 W[source]Spec table: 'AC Output 3 outlets, 600W total (Surge 1200W, X-Boost 1200W)'. |
| AC surge output | 600 W[source]Archived official US page specs: 'AC Output | 2 outlets, 300W total (Surge 600W, X-Boost 600W)'. The manual table gives no surge figure. | 1,200 W[source]'Surge 1200W'. X-Boost (also 1200W) runs resistive loads such as heaters by lowering voltage; it is not extra rated output. |
| 240 V output | No[source]Manual AC output (US): '120V~60Hz, 300W total'. | Not publishedOfficial US spec table does not print the AC outlet voltage (it gives AC input as 100~120V and 3 AC outlets, with no 240 V or split-phase output mentioned); the official US online manual did not render. Retailer listings say 120 V, but those are not official. |
| Battery chemistry | LiFePO4[source]Manual: 'Cell Chemistry | LFP (LiFePO₄)'. | LiFePO4[source]Spec table: 'Battery Chemistry LiFePO4, 3000 cycles to 80% capacity'. |
| Cycle life | 3000 cycles to 80%[source]Manual: 'The battery maintains 80%+ SoH (State of Health) after 3000 cycles at 0.5C/0.5C at 25°C (77°F)'. | 3,000 cycles to 80% capacity[source] |
| AC charging | 320 W[source]Manual: 'Maximum AC Input Power: US/JP/BR: 320W'. Archived US page: 'AC Input 320W, 0-100% in 60 min'. | 380 W[source]'AC Input 100~120V, 10A Max, 50/60Hz, 380W 0-100% in 60 min'. |
| Max solar input | 110 W[source]Manual: 'Solar Input | 11-30V⎓8A, 110W Max'. | 220 W[source]'Solar Input 220W, 0-100% in as fast as 1.5 hr'. |
| Expandable | No[source]The manual's full port list (items 1-12) has no extra battery port, and the specs list no expansion. Inferred from the port list; the manual does not literally say 'not expandable'. | Yes[source]'Expandable up to 858Wh with a wire-free connection' using one EB300 (286Wh) or EB600 (572Wh) extra battery. |
| UPS / EPS switchover | 20 ms[source]Manual: 'RIVER 3 / RIVER 3 (230) The power station supports emergency power supply (EPS) with a transfer time within 20ms.' Only the separate 'RIVER 3 (10 ms UPS)' version switches in 10 ms. | 10 ms[source]Spec table: 'UPS <10 ms'. StorageReview measured a 9 ms transfer. |
| Weight | 7.8 lb[source]Archived official US page: 'Net Weight 7.8 lb'. Manual: 'Approx. 3.5 kg (7.72 lb)'. | 10.4 lb[source]'Net Weight 10.4 lb'. |
| Warranty | 2 years[source]US warranty policy table: 'RIVER 3 | 24' (months). RIVER 3 Plus and RIVER 3 Max get 5 years; the base RIVER 3 does not. | 5 years[source]Warranty policy table lists RIVER 3 Plus at '5 years' (the base RIVER 3 is 24 months). The ecoflow.com/us product page also says '5-year warranty'. |
| List price | Not publishedNo longer listed on us.ecoflow.com on 2026-10-19: the old product URL now redirects to the RIVER 3 Max bundle, and the store catalog has no RIVER 3. The last archived official page (2026-07-30) showed the bare 'RIVER 3' at $199 with a $239 compare-at price, sold out. Still sold new on Amazon by ECOFLOW Direct ($249 seen 2026-10-19). | $299[source]Regular price $299.00, compare-at also $299.00 (no sale) seen 2026-10-18. |
| Usable capacity used for runtimes | 203 Wh | 228 Wh |
Runtime on one charge
| Appliance | EcoFlow RIVER 3 | EcoFlow RIVER 3 Plus |
|---|---|---|
| Refrigerator | No | 3.4 h |
| Chest freezer | No | 9.3 h |
| CPAP (no humidifier) | 4.5 h | 5.1 h |
| CPAP with heated humidifier | 2.3 h | 2.5 h |
| Sump pump (1/3 hp) | No | No |
| Sump pump (1/2 hp) | No | No |
| Gas furnace blower (1/2 hp) | No | 0.4 h |
| Window AC (5,000 BTU) | No | 0.7 h |
| Microwave | No | No |
| Coffee maker | No | No |
| Laptop charger | 3.4 h | 3.8 h |
| Phone charger | 10.2 h | 11.4 h |
| Wi-Fi router / modem | 13.5 h | 15.2 h |
| TV (LED, 32-55 inch) | 3 h | 3.4 h |
| LED light bulb (each) | 22.6 h | 25.3 h |
| Space heater | No | No |
| Oxygen concentrator (home, 5 L/min) | No | 0.7 h |
| Starlink (Standard kit) | 2.3 h | 2.6 h |
| Desktop PC + monitor | 2.3 h | 2.5 h |
| Electric blanket (queen) | 0.8 h | 0.9 h |
| Box fan (20 inch) | 2.4 h | 2.7 h |
| Dehumidifier (35-50 pint) | No | 0.5 h |
| Portable air conditioner (8,000-10,000 BTU) | No | No |
| Electric kettle | No | No |
| Portable induction cooktop (single burner) | No | No |
| Air fryer | No | No |
| Mini fridge (compact, ~3 cu ft) | 8.1 h | 9.1 h |
| Garage door opener | No | No |
Runtime = usable capacity ÷ average draw, the same formula for both models (no idle draw added to either), after checking continuous output and startup surge. Usable capacity is an independent test's measured figure, or 80% of rated where none exists. See the methodology.