The EF ECOFLOW RIVER 3 is a grab-and-go 245Wh LiFePO4 portable power station built for quiet, compact power during camping, RV trips, and short home outages. I see it shine on sub-100W daily loads. I can pair 1-hour AC fast charging with 300W continuous output (X-Boost up to 600W) and optional solar input (up to 110W) to keep phones, routers, lights, and small gear running without dragging along a larger unit.
Key takeaways
- 245Wh LiFePO4 battery balances portability and long service life for travel kits and light backup use
- Compact and easy to carry at 7.8 lb with a small 8.3" x 4.4" x 10" footprint
- Quiet operation (under 30 dB at 1.5 ft) and GaN efficiency fit overnight use and low-watt devices
- 300W continuous output with X-Boost up to 600W handles common small electronics and short higher-demand bursts
- Fast recharge: ~1 hour from AC; solar input up to 110W (panel optional) for topping off in the field
Overview: Compact, Quiet Power for Travel and Backup
I see the EcoFlow RIVER 3 as a grab-and-go power station for camping, travel days, and quick home backup. Its 245Wh LiFePO4 (LFP) battery hits a sweet spot for size and reliability, and the quiet operation keeps it usable in tents, hotel rooms, or during outages. For context, I often compare it to options like the EcoFlow RIVER 2 fast-charge unit or the Anker SOLIX C300.
Where it fits best
I recommend it for a few common loads:
- Phones, tablets, cameras, and drones
- Wi‑Fi router, lights, and small fans
- Short CPAP support (model settings matter)
I also keep capacity expectations realistic by checking how power specs work. Check current pricing and availability at Amazon here!
EF ECOFLOW Portable Power Station RIVER 3, 245Wh LiFePO4 Battery Power Station, 1Hr Fast Charging, 300W/X-Boost 600W Solar Generator for Outdoor/Camping/RVs/Home Use (Solar Panel Optional)
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Portable Design and Build
I like how this unit packs a 245Wh LiFePO4 (LFP) battery into a genuinely portable body. At 7.8 lb, I can grab it one-handed using the built-in handle, then set it down without it hogging space. The small footprint—8.3" x 4.4" x 10"—lets me stash it in an RV cabinet, a closet shelf, or a go-bag without playing luggage Tetris.
How I’d use the size to my advantage
I get the most out of compact power stations when I plan storage and cable access upfront. Here’s what works well for me:
- Keep it upright in an RV cubby so the handle stays reachable.
- Store one short AC cord and one USB-C cable beside it to avoid cable hunting.
- Use it as a grab-and-go backup for CPAP trips, similar in footprint to options like this CPAP battery backup.
- Compare carry comfort with compact picks like the Anker SOLIX C300 or the EcoFlow RIVER 2.
I also rely on this fine-print guide to sanity-check size, weight, and usable energy before I pack.
Check current pricing and availability at Amazon here!
EF ECOFLOW Portable Power Station RIVER 3, 245Wh LiFePO4 Battery Power Station, 1Hr Fast Charging, 300W/X-Boost 600W Solar Generator for Outdoor/Camping/RVs/Home Use (Solar Panel Optional)
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Quiet Operation and Efficiency (GaN / X-GaNPower)
EcoFlow’s X-GaNPower keeps fan noise whisper-low at under 30 dB measured at 1.5 ft (EcoFlow). I like this when charging overnight or running a CPAP without adding background hiss. GaN also helps power conversion stay efficient, which matters most with small loads under 100W (EcoFlow), where many stations waste energy as heat.
How I put that efficiency to work
I focus on low-draw gear and clean expectations:
- Run routers, phones, lights, and laptops first, since sub-100W loads benefit most (EcoFlow).
- Compare wattage honestly by checking power bank fine print.
- If I need alternatives, I cross-shop the EcoFlow River 2, Anker SOLIX C300, or Grecell 300W.
Check current pricing and availability at Amazon here!
EF ECOFLOW Portable Power Station RIVER 3, 245Wh LiFePO4 Battery Power Station, 1Hr Fast Charging, 300W/X-Boost 600W Solar Generator for Outdoor/Camping/RVs/Home Use (Solar Panel Optional)
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Power Output and Outlets
I get a lot done with 300W continuous output in a compact body. That’s the sweet spot for daily carry gear and travel kits. For short bursts on compatible devices, X-Boost can push up to 600W, which helps with small appliances that briefly demand extra wattage.
I like the 6-outlet layout because it lets me run a full setup without constantly swapping cables. For anyone who wants to sanity-check what 300W really means in practice, I point people to how to read the fine print before buying or packing.
How I use the outlets in real life
Here’s what I typically power at the same time without drama:
- Phones and tablets for maps, messaging, and entertainment
- Camera batteries and chargers for weekend shoots
- Drone controllers and accessory lights
- Select power tool battery chargers (within the 300W limit)
If I want alternatives in the same power class, I compare against the EcoFlow River 2, the Grecell 300W LiFePO4, or the Anker Solix C300.
Check current pricing and availability at Amazon here!
EF ECOFLOW Portable Power Station RIVER 3, 245Wh LiFePO4 Battery Power Station, 1Hr Fast Charging, 300W/X-Boost 600W Solar Generator for Outdoor/Camping/RVs/Home Use (Solar Panel Optional)
This image is property of Amazon.com.
Fast Charging and Solar Support
I treat recharge speed as a core feature, and this unit delivers. It goes from 0–100% in about 1 hour over AC with X-Stream, and I like that I don’t have to pack a bulky power brick. One cable keeps the kit simple for travel, work trucks, or quick turnarounds between outings. For a practical comparison point, I reference the EcoFlow River 2 overview when I’m choosing similar fast-charge capacity.
Solar input in the field
I look at solar support as a way to extend runtime, not a substitute for a wall outlet. This model takes up to 110W of solar input, and EcoFlow estimates about 2.6 hours to refill under good conditions, with the panel sold separately (EcoFlow). Before I commit to a panel, I sanity-check specs like input wattage limits and real usable capacity using this fine-print guide. When I’m packing, I keep it simple:
- Match panel output to the 110W ceiling to avoid wasted potential.
- Plan for slower charging in clouds, shade, or winter sun.
- Use AC for the fastest turnaround, then let solar maintain or top off.
Check current pricing and availability at Amazon here!
EF ECOFLOW Portable Power Station RIVER 3, 245Wh LiFePO4 Battery Power Station, 1Hr Fast Charging, 300W/X-Boost 600W Solar Generator for Outdoor/Camping/RVs/Home Use (Solar Panel Optional)
This image is property of Amazon.com.
Light UPS Capability
How I’d use it in a brief outage
I can run this as a light UPS for essentials, since it auto-switches in under 20 ms to help keep key loads alive. I treat it as a bridge for short interruptions, not a substitute for a full home UPS.
Here’s what I keep on it for the best results:
- Internet gear: modem, router, mesh node
- Communication: phone chargers, handheld radios
- Small appliances: a desk fan or low-watt lamp
I size loads by checking real watt draw, then confirm the fine print with how to read the fine print. For compact alternatives, I compare the EcoFlow RIVER 2, Anker SOLIX C300, and Grecell 300W. Check current pricing and availability at Amazon here!
EF ECOFLOW Portable Power Station RIVER 3, 245Wh LiFePO4 Battery Power Station, 1Hr Fast Charging, 300W/X-Boost 600W Solar Generator for Outdoor/Camping/RVs/Home Use (Solar Panel Optional)
This image is property of Amazon.com.
Real-World Use: Pros and Potential Concerns
I’ve seen this unit land well with travelers who want “great little device” vibes without hauling a heavy box. Owners often report it hits the sweet spot for weekend camping loads and can keep a DC fridge running steadily. That makes it a practical pick when I want quiet power that doesn’t require engine idling.
What I’d do in the first week
To keep risk low, I treat the return window like a test lab and verify performance with my real gear. I also keep app/firmware monitoring on, since X-Guard cloud-based battery monitoring and the brand’s 40+ safety measures add useful visibility and protection.
Here’s how I’d validate it fast:
- Run my fridge or cooler on DC for several hours and log watt draw swings.
- Charge to full and confirm it reaches 99% consistently, then let it sit overnight and check the morning state-of-charge.
- Test AC and DC outputs separately to spot any mode-specific quirks.
- Try a full recharge cycle from wall and solar, then compare behavior.
Mixed reports to keep in mind
Many users say it charges to 99% and lasts through the night. A smaller set mentions charging stopping early or the percentage dropping without any load. If I want a sanity check on spec language, I use how to read the fine print, then compare alternatives like the EcoFlow River 2 or Anker Solix C300. Check current pricing and availability at Amazon here!
EF ECOFLOW Portable Power Station RIVER 3, 245Wh LiFePO4 Battery Power Station, 1Hr Fast Charging, 300W/X-Boost 600W Solar Generator for Outdoor/Camping/RVs/Home Use (Solar Panel Optional)
This image is property of Amazon.com.
Disclosure: As an Amazon Associate, I earn from qualifying purchases.
From San Jose, California. Former IT support lead who has seen unspeakable things plugged into USB ports. Reviews electronics with zero patience for bad firmware.
