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EcoFlow River 3 Max Plus (officially RIVER 3 Max Plus or River 3 Plus + Extra Battery EB600)
EcoFlow River 3 Max Plus (officially RIVER 3 Max Plus or River 3 Plus + Extra Battery EB600) is the high-capacity expandable bundle in EcoFlow’s River 3 series. It combines the River 3 Plus base portable power station (286Wh) with the EB600 extra battery (572Wh), delivering a total of 858Wh of storage. This provides significantly extended runtime for medium-duty needs like prolonged blackouts, camping, off-grid work, powering laptops, routers, small fridges, fans, lights, or short runs of higher-wattage devices—making it a strong upgrade over the River 3 Max (with EB300, 572Wh total) while remaining compact, quiet, and modular.Key Specifications (River 3 Max Plus = River 3 Plus + EB600)
- Total Capacity: 858Wh (286Wh base + 572Wh from EB600)
- Battery Chemistry: LiFePO4 (LFP) — ultra-safe, durable (3000+ cycles to 80% capacity, ~10-year lifespan)
- Output Power:
- Rated: 600W continuous (pure sine wave AC for sensitive electronics)
- Surge/X-Boost: Up to 1200W (handles short spikes or devices like kettles, blenders, or small heaters)
- AC Outlets: 3 × pure sine wave AC
- Other Ports (base + extra battery):
- 2 × USB-A (12W each, total 24W)
- 1 × USB-C (100W max on base)
- 1 × USB-C (140W max on EB600 — independent charge/discharge, works as standalone power bank)
- 1 × Car output (12V/126W)
- Input/Charging:
- AC: Fast recharge (0-100% in ~60 min at up to 380W+)
- Solar: Up to 220W input (full charge in ~4–6 hours with optimal panels)
- Car: 220W
- Generator compatible
- UPS Functionality: <10 ms switchover (seamless backup for computers, routers, or servers during outages)
- Noise Level: <30 dB (whisper-quiet)
- Dimensions & Weight (stacked):
- Approx. 234 × 232 × 286 mm (compact with handle for easy portability)
- Net weight ~4.7 kg base + ~5–5.5 kg EB600 = ~10–10.5 kg total
- Other Features:
- Wireless Pogo Pin stacking (no cables/screws — just stack and clip for instant connection)
- App control via Bluetooth/Wi-Fi (monitor battery, adjust settings remotely)
- Expandable to max 858Wh (one EB600 only; EB300 alternative for lighter configs)
- Built-in display for real-time stats
Why This Bundle?The base River 3 Plus is great for everyday/light use, but the EB600 triples effective runtime for heavier or longer scenarios (e.g., ~2–3× more than base for low-wattage loads). The extra battery operates independently via its 140W USB-C port—handy for charging phones/laptops on the go. It’s modular, future-proof, and outperforms fixed-capacity units in this size range.Runtime Examples (approximate, based on 858Wh usable)
- 3W Wi-Fi router: 200+ hours
- 40W NAS/server: 15–20 hours
- 60W car fridge: 10–14 hours
- 100W laptop/gaming console: 6–8 hours
- 400W small fridge: 1.5–2 hours
- 600W appliance: ~1 hour (longer with efficiency/X-Boost)
- 900W small kettle: ~45–60 min (with X-Boost)
