Anker Solix C300 vs EcoFlow River 2

Portable power stations have become essential for camping, outdoor adventures, emergency backup, and off-grid living. Among the most compact and efficient options available today, the Anker Solix C300 vs EcoFlow River 2 stand out as two strong competitors. Both models offer lightweight designs, fast charging capabilities, and reliable power output, but they cater to slightly different needs.

In this in-depth comparison, we will analyze battery capacity, power output, charging speed, portability, and overall performance to determine which of these two compact power stations is the better choice for your specific needs.

Differences Anker Solix C300 vs EcoFlow River 2

Below is a summary of the specifications:

Image
The Winner (#1)
EF ECOFLOW Portable Power Station RIVER 2, 256Wh LiFePO4 Battery/ 1 Hour Fast Charging, 2 Up to 600W AC Outlets, Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use
The Runner-up (#2)
Anker SOLIX C300 Portable Power Station, Outdoor 288Wh LiFePO4 Battery, 300W (600W Surge) Solar Generator, 140W Two-Way Fast Charging, for Camping, Traveling, and Emergencies (Solar Panel Optional)
Model
EcoFlow River 2
Anker Solix C300
Battery Capacity
256Wh
299Wh
Battery Type
LiFePO₄ (LFP)
LiFePO₄ (LFP)
Lifespan (to 80%)
3,000+ cycles
3,000+ cycles
Continuous Output
300W
300W
Surge Capacity
600W
600W
Solar Input
110W
100W
Recharging Time (AC)
1 hour (360W)
2.4 hours (100W)
AC Outlets
2
2
USB-C Ports
1 (60W PD)
1 (60W PD)
USB-A Ports
3
2
Car Port
1 (12V/10A)
1 (12V/10A)
Weight
7.7 lbs (3.5 kg)
7.7 lbs (3.5 kg)
Best For
Camping, road trips, emergency backup
Light outdoor use, CPAP machines, small electronics
Price
$169.00
$299.00
The Winner (#1)
Image
EF ECOFLOW Portable Power Station RIVER 2, 256Wh LiFePO4 Battery/ 1 Hour Fast Charging, 2 Up to 600W AC Outlets, Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use
Model
EcoFlow River 2
Battery Capacity
256Wh
Battery Type
LiFePO₄ (LFP)
Lifespan (to 80%)
3,000+ cycles
Continuous Output
300W
Surge Capacity
600W
Solar Input
110W
Recharging Time (AC)
1 hour (360W)
AC Outlets
2
USB-C Ports
1 (60W PD)
USB-A Ports
3
Car Port
1 (12V/10A)
Weight
7.7 lbs (3.5 kg)
Best For
Camping, road trips, emergency backup
Price
$169.00
More Info
The Runner-up (#2)
Image
Anker SOLIX C300 Portable Power Station, Outdoor 288Wh LiFePO4 Battery, 300W (600W Surge) Solar Generator, 140W Two-Way Fast Charging, for Camping, Traveling, and Emergencies (Solar Panel Optional)
Model
Anker Solix C300
Battery Capacity
299Wh
Battery Type
LiFePO₄ (LFP)
Lifespan (to 80%)
3,000+ cycles
Continuous Output
300W
Surge Capacity
600W
Solar Input
100W
Recharging Time (AC)
2.4 hours (100W)
AC Outlets
2
USB-C Ports
1 (60W PD)
USB-A Ports
2
Car Port
1 (12V/10A)
Weight
7.7 lbs (3.5 kg)
Best For
Light outdoor use, CPAP machines, small electronics
Price
$299.00
More Info


Battery Capacity and Lifespan

The Anker Solix C300 has a 299Wh LiFePO₄ battery, slightly larger than the 256Wh found in the EcoFlow River 2. Both power stations use long-lasting LFP battery technology, which provides over 3,000 charge cycles before degrading to 80% capacity.

Since the Anker Solix C300 has a higher battery capacity, it lasts longer on a single charge, making it a better option for users who need more runtime for small appliances, CPAP machines, or cameras.

Winner: Anker Solix C300

With more stored energy per charge, the Solix C300 offers better long-term usage.

Anker SOLIX C300 Portable Power Station

Power Output and Device Compatibility

Both the Anker Solix C300 and the EcoFlow River 2 provide 300W of continuous power output, with a 600W surge capacity, allowing them to power laptops, smartphones, drones, and small appliances.

The EcoFlow River 2 has an advantage in USB-A ports, offering three instead of two, making it slightly better for users who need to charge multiple small devices simultaneously. However, for general device compatibility, both power stations perform equally well.

Winner: Tie

Both models provide equal output power, making them suitable for similar applications.


Charging Speed and Solar Input

One of the most significant differences between these two models is charging speed.

The EcoFlow River 2 supports fast AC charging of 360W, allowing it to reach 100% in just one hour. It also accepts up to 110W of solar input, making it faster for solar charging.

The Anker Solix C300, on the other hand, has a maximum input of 100W, resulting in slower charging times of 2.4 hours on AC power. If you need quick turnaround times, the EcoFlow River 2 is the clear winner.

Winner: EcoFlow River 2

The faster AC charging and better solar input give the EcoFlow River 2 the edge.

EF ECOFLOW RIVER 2 Portable Power Station

Portability and Weight

Both the Anker Solix C300 and the EcoFlow River 2 weigh 7.7 lbs (3.5 kg), making them easy to carry for outdoor trips, camping, and emergency use.

Both models have compact dimensions that allow them to fit into backpacks, car trunks, or storage spaces. Since portability is nearly identical, there is no clear winner in this category.

Winner: Tie

Both power stations offer the same weight and portability.


Durability and Battery Lifespan

Both models use LiFePO₄ (LFP) battery chemistry, known for long-lasting durability, higher safety standards, and better efficiency. The 3,000+ charge cycles ensure that users can recharge their units daily for nearly a decade without significant degradation.

Both brands also include high-quality build materials, making these sturdy and reliable choices for outdoor or home use.

Winner: Tie

Both models offer excellent durability and long-lasting battery life.


Quick Rundown Of Anker Solix C300

Anker SOLIX C300 Portable Power Station, Outdoor 288Wh LiFePO4 Battery, 300W (600W Surge) Solar Generator, 140W Two-Way Fast Charging, for Camping, Traveling, and Emergencies (Solar Panel Optional)
  • Compact with Massive Power: It's portable power that moves as freely as you. Give your devices 300W (600W Surge) and 288Wh. Fast charge with 140W...
  • 8 Device Charging Ports: Power all your tech with versatile ports, including 3× AC (300W), 1× car socket (120W), 2× USB-C (140W), 1× USB-C...
  • Travel-Friendly Design: Attach the strap(sold separately) or simply carry this power station. It's 15% smaller than similar designs and perfect...
  • Solar-Powered Escapes: When your journey needs endless charging, do so seamlessly and sustainably with a 100W solar panel. We recommend 100W or...
  • Your Choice of Recharging: Recharge to 80% in just 50 minutes with a wall outlet, or use solar panels, your car, or the PD 3.1 USB-C port. Stay...

Pros
  • Larger battery capacity
  • Reliable LiFePO₄ battery with 3,000+ cycles
  • Good for CPAP machines and small appliances
Cons
  • Slower charging compared to River 2
  • Limited solar input


Quick Rundown Of EcoFlow River 2

Sale
EF ECOFLOW Portable Power Station RIVER 2, 256Wh LiFePO4 Battery/ 1 Hour Fast Charging, 2 Up to 600W AC Outlets, Solar Generator (Solar Panel Optional) for Outdoor Camping/RVs/Home Use
  • [1 Hour AC Recharge] - Fully recharge the electric generator using an AC outlet in only 1 hour with EcoFlow's X-Stream fast charging technology.
  • [Power All Your Essentials] - With an output of up to 600W, run 6 essential appliances simultaneously without worrying about overloading. With a...
  • [LFP Long-Life Battery] - Using LFP battery cells, use and recharge RIVER 2 more than 3000 times before hitting 80%. That's almost 10 years of...
  • [Fast Solar Charging] - Use clean, green renewable energy to recharge RIVER 2 power generator in as fast as 2.3 hours with 110W solar input.
  • [Light & Portable] - With a lightweight of only 7.7 lbs, RIVER 2 is the ideal outdoor generator for all your off-grid adventures. With a built-in...

Pros
  • Fastest AC charging
  • More USB-A ports for multiple device charging
  • Higher solar input
Cons
  • Smaller battery capacity
  • Same power output as Solix C300 but with lower runtime


Conclusion

Both Anker Solix C300 and EcoFlow River 2 offer great features for compact power stations, but the choice depends on your priorities.

If you prioritize longer runtime and need a slightly larger battery, the Anker Solix C300 is the better option. It is ideal for CPAP users, photographers, and those who need a bit more power per charge.

If you prioritize fast charging and solar input, the EcoFlow River 2 is the clear winner. It is perfect for users who need rapid recharges and better off-grid performance.

Final Recommendation

  • Choose the Anker Solix C300 if you need longer battery life per charge and don’t mind slower charging speeds.
  • Choose the EcoFlow River 2 if you prioritize fast charging and better solar input for quick recharges.

For overall performance and versatility, the EcoFlow River 2 edges out as the better choice.

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