EF ECOFLOW Portable Power Station RIVER 3, vs GRECELL Portable Power Station 300W, GRECELL
Updated July 2026 — EF ECOFLOW Portable Power Station RIVER 3, wins on safety and size, GRECELL Portable Power Station 300W, GRECELL wins on charging time and capacity.
The EF ECOFLOW RIVER 3 excels in rapid charging and safety features, while the GRECELL Portable Power Station 300W offers better value and versatility.
Why EF ECOFLOW Portable Power Station RIVER 3, is better
Fast Charging
Charges from 0 to 100% in 1 hour
Safety Features
Over 40 safety measures
Portability
Weighs only 7.8 lbs
Why GRECELL Portable Power Station 300W, GRECELL is better
Price
Cheaper by 18%
Output Capacity
Higher capacity at 288Wh
Versatility
Can charge 8 devices simultaneously
Overall score
Specifications
| Spec | EF ECOFLOW Portable Power Station RIVER 3, | GRECELL Portable Power Station 300W, GRECELL |
|---|---|---|
| Price | $196.00 | $159.99 |
| Surge Output | 600W | 600W |
| USB Ports | 2 | 5 |
| Battery Type | LiFePO4 | Lithium |
| Warranty | 2 years | 1 year |
Dimension comparison
Price Comparison
When comparing prices, the Portable Power Station 300W is about 18% cheaper than the EF ECOFLOW Portable Power Station RIVER 3. The RIVER 3 is priced at $196.00, while the GRECELL model costs $159.99. This price difference may be a significant factor for budget-conscious consumers looking for a reliable power station for outdoor activities or emergencies. Additionally, the GRECELL's lower price does not compromise on essential features, making it an attractive option for those seeking value.
Capacity and Output
The EF ECOFLOW Portable Power Station RIVER 3 has a capacity of 245Wh, while the GRECELL Portable Power Station 300W offers a slightly larger capacity of 288Wh. The GRECELL model also boasts a higher output of 330W, with the ability to surge up to 600W, which is advantageous for powering a wider range of devices. In contrast, the RIVER 3 supports a continuous output of 300W and can surge up to 600W as well. This difference in output capacity may influence users who need to power multiple or more demanding devices simultaneously during camping trips or power outages.
Charging Speed
The EF ECOFLOW RIVER 3 has a remarkable fast-charging capability, charging from 0 to 100% in just one hour thanks to its X-Stream technology. This efficiency is particularly beneficial for users who need to quickly recharge their power station before heading out. On the other hand, the GRECELL model also offers fast charging but does not specify an exact time frame, relying on dual inputs from AC outlets, solar panels, or car outlets. For individuals prioritizing rapid recharging, the RIVER 3 presents a clear advantage.
Portability
Portability is a key consideration for power stations, and the EF ECOFLOW RIVER 3 weighs only 7.8 pounds, making it 30% smaller than the industry average. Its compact design and built-in handle enhance its portability, allowing for easy transport in various settings. The GRECELL model, while also designed for outdoor use, does not specify its weight, but it is marketed as lightweight and compact. Users who frequently travel or hike will likely appreciate the RIVER 3's emphasis on portability.
Safety Features
Safety is paramount in portable power stations, and both models incorporate advanced safety features. The EF ECOFLOW RIVER 3 includes a built-in X-Guard technology with over 40 safety measures to guard against risks associated with current, voltage, temperature, and circuit issues. Meanwhile, the GRECELL model highlights an upgraded battery management system that provides built-in overload, overcharge, and short-circuit protection. Although both products prioritize user safety, the extensive safety measures of the RIVER 3 may offer greater peace of mind for users operating sensitive electronics.
Versatility of Outputs
The GRECELL Portable Power Station 300W excels in versatility, featuring multiple output options that allow users to charge up to eight devices at once. This includes a 110V pure sine wave AC outlet, a USB-C PD 60W port, and several USB-A ports, among others. The EF ECOFLOW RIVER 3, while offering essential outlets for AC and USB devices, does not specify the total number of simultaneous outputs. For users who frequently need to charge multiple devices, the GRECELL's multi-output capability makes it a more versatile choice.
Durability
Durability is a critical aspect for outdoor gear, and the EF ECOFLOW RIVER 3 is designed to withstand tough conditions, being waterproof, fireproof, and drop-resistant. It comes with an IP54 rating for battery protection against water damage. The GRECELL model, while not explicitly detailing its durability features, is marketed for outdoor and emergency use, suggesting it is designed to handle rugged conditions. However, the specific durability attributes of the RIVER 3 may appeal more to those concerned about environmental exposure.
Which should you buy?
Choosing between the EF ECOFLOW Portable Power Station RIVER 3 and the Portable Power Station 300W by GRECELL ultimately depends on your specific needs. If rapid charging, extensive safety features, and superior portability are your priorities, the RIVER 3 is an excellent choice despite its higher price. Conversely, if you seek a more budget-friendly option with greater output capacity and versatility in charging multiple devices, the GRECELL Portable Power Station 300W stands out as a practical alternative. Both models cater well to outdoor enthusiasts and emergency preparedness, but your individual usage scenarios will dictate the best fit for you.

