Output power
- EcoFlow RIVER 3
- 300 W continuous AC output
- EcoFlow RIVER 3 Max Plus
- 600 W continuous AC output
Power station comparison
Compare capacity, output, charging and portability.
01Selected ![]() EcoFlow RIVER 3 Portable Power Station
KSh 34,300In Stock | 02 ![]() EcoFlow RIVER 3 Max Plus
KSh 83,800In Stock |
|---|







The EcoFlow RIVER 3 Max Plus has a larger 858 Wh battery, more output power (600 W continuous) and a higher 1,200 W surge rating, while the EcoFlow RIVER 3 costs KSh 49,500 less.
The main differences to help you choose.
| Priority | EcoFlow RIVER 3 | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| Stored energy | 245 Wh base battery capacity | 858Wh (station + EB600) |
| Output power | 300 W continuous AC output | 600 W continuous AC output |
| Charging | Input: 305W maximum, recharge: 0–100% in 60 minutes | Input: 650W maximum with connected extra battery |
| Ports | 1× UK AC outlet, 300W combined | 3× UK AC outlets, 600W combined |
| Features | UPS: Yes, transfer time: <20ms | UPS: Yes, transfer time: <10ms |
Tick a topic above to see how each product answers it.
Explore the full specifications, section by section.
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| Brand | EcoFlow | EcoFlow |
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| Brand / Model | EcoFlow RIVER 3; EFR705 (standard 245Wh) | EcoFlow RIVER 3 Max Plus; EF-RV-H02-1 + EB600 |
| Power Station Type | Portable power station | Portable power station |
| Battery Capacity / Expansion | Base capacity: 245Wh | Base capacity: 858Wh (station + EB600) Expansion: One compatible EB300 or EB600 extra battery; up to 858Wh |
| Battery / Cycle Life | Chemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity | Chemistry: LiFePO₄ (LFP) Cycle life: 3000 cycles to 80%+ original capacity (0.5C charge/discharge, 25°C) |
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| AC Output / Surge | Continuous: 300W Surge: 600W | Continuous: 600W Surge: 1200W |
| High-Power Mode | X-Boost: compatible resistive appliances up to 600W | X-Boost: compatible resistive appliances up to 1200W |
| AC Voltage / Frequency / Inverter | Voltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UK | Voltage: 230V Frequency: 50Hz Inverter: Pure sine wave Region: UK |
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| AC Outlets | 1× UK AC outlet; 300W combined | 3× UK AC outlets; 600W combined |
| USB Outputs | 2× USB-A 12W per port, 24W total; 1× USB-C 100W; USB-C PD 3.0 / QC 3.0 | Station: 2× USB-A 12W per port, 24W total; 1× USB-C 100W, PD 3.0 / QC 3.0; extra battery: 1× bidirectional USB-C 140W |
| DC / Vehicle Outputs | Car socket: 12.6V / 10A, 126W | Car socket: 12.6V / 10A, 126W |
| Other Outputs | — | USB-B HID communication port for PC / NAS backup management |
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| AC Charging | Input: 305W maximum Recharge: 0–100% in 60 minutes | Input: 650W maximum with connected extra battery; station alone: 360W (UK) Recharge: Station alone: 0–100% in 60 minutes Voltage / frequency: 220–240V, 50Hz / 60Hz; 6A maximum |
| Solar Charging | Power: 110W maximum Voltage: 11–30V Current: 8A maximum | Power: 220W maximum Voltage: 11–55V Current: 13A maximum |
| Vehicle / Alternator Charging | 12V / 24V vehicle charging; 8A, 100W maximum | 12V / 24V vehicle charging; 11–55V input, 8A maximum; 220W maximum |
| Other / Combined Charging | — | Extra battery: bidirectional USB-C input up to 140W |
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| UPS / Backup | Ups: Yes Transfer time: <20ms Pass through: Yes | Ups: Yes Transfer time: <10ms Pass through: Yes |
| Home Backup / Expansion | — | Wire-free physical connection to one EB300 or EB600 extra battery; HID backup management |
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| Battery Management / Protection | Bms: Yes Protection: Overvoltage, overload, overtemperature, short circuit, low temperature, low voltage and overcurrent Charging temperature: 0–45°C Discharging temperature: −10–45°C | Bms: Yes Protection: Overvoltage, overload, overtemperature, short circuit, low temperature, low voltage and overcurrent Charging temperature: 0–45°C Discharging temperature: −10–45°C |
| Connectivity / Smart Features | Wi-Fi; Bluetooth; EcoFlow app; LCD display | Wi-Fi; Bluetooth; EcoFlow app; charging limits; charging schedules; LCD display |
| Specification | EcoFlow RIVER 3 Portable Power Station | EcoFlow RIVER 3 Max Plus |
|---|---|---|
| Dimensions / Weight | Dimensions: 255 × 212 × 113 mm Weight: 3.55 kg | RIVER 3 Plus: 234 × 232 × 146 mm; 4.7 kg EB600: 234 × 224 × 158 mm; 5.8 kg |
| Portability / Noise / Warranty | Portability: Integrated carry handle Warranty: 2-year UK manufacturer warranty | Portability: Carry handle; LED light Warranty: 5-year UK manufacturer warranty |
| In the Box | Power station, AC charging cable, user manual and warranty card | RIVER 3 Plus, EB600 extra battery, AC charging cable, USB-B-to-USB-A data cable, quick-start guide and safety / warranty documentation |
These products have the same published specifications.
For most buyers the EcoFlow RIVER 3 Max Plus is the better buy; the EcoFlow RIVER 3 makes sense if price matters most, as it costs less than half as much.
Back to compared products ↑Keep a link to this cart, or ask us to send it to you. Reminders are optional.
You may send me reminders about this cart on the channels I select. I can opt out at any time.
Only the details you provide here or in checkout are used. Reminders are optional. Privacy notice