Description
EcoFlow RIVER 3 Max Plus – 600W / 858Wh
The EcoFlow RIVER 3 Max Plus is a compact, lightweight portable power station designed for home backup, offices, shops, networking equipment, entertainment devices, camping and outdoor use. It combines the EcoFlow RIVER 3 Plus with the EB600 Extra Battery, giving a total capacity of 858Wh while retaining a 600W rated AC output.
Key Features
- Battery Capacity: 858Wh
- Rated AC Output: 600W
- Surge Output: 1,200W
- X-Boost: Up to 1,200W for compatible appliances
- Battery Chemistry: LiFePOâ‚„ (LFP)
- Battery Life: 3,000 cycles to 80% capacity
- Solar Input: Up to 220W
- AC Charging: 360W
- AC Charging Time: Approximately 60 minutes
- UPS: <10ms
- Noise: <30dB
- USB-C: Up to 100W
- Weight: Compact/lightweight design
- Connectivity: Wireless connectivity/app support
- Expansion: RIVER 3 Plus + EB600 battery
858Wh Large-Capacity Battery
The RIVER 3 Max Plus is essentially a RIVER 3 Plus combined with the EB600 Extra Battery. The RIVER 3 Plus provides 286Wh, while the EB600 adds 572Wh, giving a total of 858Wh.
This extra capacity makes the Max Plus particularly useful for longer backup periods compared with the standard RIVER 3 Plus.
600W Output + X-Boost
The unit provides 600W of continuous AC output, with 1,200W surge capability. EcoFlow’s X-Boost technology can support compatible appliances up to 1,200W.
It is suitable for equipment such as:
- Wi-Fi routers
- TVs and decoders
- Fans
- LED lights
- Laptops
- Phones and tablets
- Small refrigerators
- Small office equipment
- Some low-power kitchen appliances
- Selected small power tools
Because the normal inverter rating is 600W, it is not designed for continuous use with high-power appliances such as electric kettles, irons, electric cookers or large pumps.
Fast 1-Hour Charging
EcoFlow states that the RIVER 3 Max Plus can charge from 0–100% in about 1 hour using AC power under its specified conditions. This is useful when electricity becomes available for only a short period during an outage.
Solar Charging
The RIVER 3 Max Plus supports up to 220W solar input, with EcoFlow stating that it can recharge in as little as 1.5 hours under suitable solar conditions.
This makes it a practical option for customers who want to combine portable backup power with a small solar-panel setup.
<10ms UPS Backup
One of the strongest features of the RIVER 3 Max Plus is its pro-grade UPS with less than 10ms switching time. This makes it useful for computers, networking equipment, CCTV systems and other electronics that need rapid backup when grid power fails.
Quiet Operation
EcoFlow rates the RIVER 3 Max Plus at less than 30dB, making it suitable for bedrooms, offices and other environments where generator noise would be inconvenient.
Long-Lasting LiFePOâ‚„ Battery
The RIVER 3 Max Plus uses LiFePOâ‚„ battery technology and is rated for approximately 3,000 cycles to 80% capacity. This makes it better suited to frequent charging and discharging than many older battery chemistries.
Ideal for Nigerian Homes & Small Businesses
The RIVER 3 Max Plus is a good choice for customers who want portable backup power without the size and weight of the larger DELTA series.
A typical backup setup could include:
Wi-Fi Router + TV + Decoder + LED Lights + Fan + Laptop + Phone Charging
For larger loads or appliances requiring more than 600W continuously, customers should consider a higher-output model such as the DELTA 3 Classic, DELTA 2 Max or DELTA Pro.



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