Anker 535 vs EcoFlow River 2

In today’s fast-paced world, portable power stations have become essential for outdoor adventures, emergency backup, and off-grid living. Among the most popular models, the Anker 535 vs EcoFlow River 2 stand out as compact, efficient, and highly portable power solutions. While both offer reliable battery technology, fast charging, and multiple output options, they cater to different user needs.

In this comprehensive comparison, we will analyze battery capacity, output power, charging speed, portability, and overall performance to determine which model is the best investment for your power needs.

Differences Anker 535 vs EcoFlow River 2

Below is a summary of the specifications:

Image
The Winner (#1)
Anker 535 Portable Power Station, 512Wh Solar Generator (Solar Panel Optional) with LiFePO4 Battery Pack, 500W 9-Port Powerhouse, 4 AC Outlets, 60W USB-C PD Output, LED Light for Outdoor Camping, RV
The Runner-up (#2)
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
Anker 535
EcoFlow River 2
Battery Capacity
512Wh
256Wh
Battery Type
LiFePO₄ (LFP)
LiFePO₄ (LFP)
Lifespan (to 80%)
3,000+ cycles
3,000+ cycles
Continuous Output
500W
300W
Surge Capacity
750W
600W
Solar Input
200W
110W
Recharging Time (AC)
2.5 hours
1 hour (0-100%)
AC Outlets
4
2
USB-C Ports
1 (60W)
1 (100W)
USB-A Ports
3
2
Car Port
1 (12V/10A)
1 (12V/10A)
Weight
16.7 lbs (7.6 kg)
7.7 lbs (3.5 kg)
Best For
Home backup, camping, small appliances
Travel, lightweight power, basic devices
Price
$499.99
$169.00
The Winner (#1)
Image
Anker 535 Portable Power Station, 512Wh Solar Generator (Solar Panel Optional) with LiFePO4 Battery Pack, 500W 9-Port Powerhouse, 4 AC Outlets, 60W USB-C PD Output, LED Light for Outdoor Camping, RV
Model
Anker 535
Battery Capacity
512Wh
Battery Type
LiFePO₄ (LFP)
Lifespan (to 80%)
3,000+ cycles
Continuous Output
500W
Surge Capacity
750W
Solar Input
200W
Recharging Time (AC)
2.5 hours
AC Outlets
4
USB-C Ports
1 (60W)
USB-A Ports
3
Car Port
1 (12V/10A)
Weight
16.7 lbs (7.6 kg)
Best For
Home backup, camping, small appliances
Price
$499.99
More Info
The Runner-up (#2)
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 (0-100%)
AC Outlets
2
USB-C Ports
1 (100W)
USB-A Ports
2
Car Port
1 (12V/10A)
Weight
7.7 lbs (3.5 kg)
Best For
Travel, lightweight power, basic devices
Price
$169.00
More Info


Battery Capacity and Expandability

Battery capacity is one of the most important factors when choosing a portable power station, as it determines how long your devices can run before needing a recharge.

The Anker 535 features a 512Wh battery, which is twice the capacity of the EcoFlow River 2. This makes it better suited for longer trips, emergency backup, or running small appliances for extended periods.

On the other hand, the EcoFlow River 2 comes with a 256Wh battery, which is more compact and lightweight but may require more frequent recharging if used for high-energy devices.

Winner: Anker 535

With double the battery capacity, the Anker 535 is the better choice for users who need longer power runtimes.

Anker 535 Portable Power Station

Power Output and Device Compatibility

Power output determines which devices and appliances a power station can support.

The Anker 535 provides 500W of continuous power and 750W surge capacity, making it suitable for running laptops, mini-fridges, lights, and even some kitchen appliances.

The EcoFlow River 2, in contrast, has a 300W continuous output with a 600W surge capacity, meaning it can power basic devices like phones, tablets, small fans, and LED lights, but struggles with higher-wattage appliances.

Winner: Anker 535

With higher power output and better surge capacity, the Anker 535 is the superior choice for running multiple devices or high-power appliances.


Charging Speed and Solar Input

Fast charging is essential for keeping your power station ready to go.

The EcoFlow River 2 stands out with rapid AC charging, reaching 100% in just one hour. This is significantly faster than the Anker 535, which takes 2.5 hours to charge fully.

Solar input is another key factor. The Anker 535 supports up to 200W solar charging, while the EcoFlow River 2 only supports 110W. This means the Anker 535 can recharge faster using solar panels, making it better suited for off-grid and outdoor use.

Winner: Tie

The EcoFlow River 2 wins in AC charging speed, while the Anker 535 is better for solar recharging.

EF ECOFLOW RIVER 2 Portable Power Station

Portability and Weight

For users who prioritize lightweight and easy-to-carry designs, portability is a crucial factor.

The EcoFlow River 2 weighs just 7.7 lbs (3.5 kg), making it one of the most portable power stations available. It is ideal for travel, camping, and short-term use.

The Anker 535, at 16.7 lbs (7.6 kg), is more than twice the weight of the EcoFlow River 2. While still portable, it is less convenient for users who need an ultra-lightweight power source.

Winner: EcoFlow River 2

With its ultra-lightweight design, the EcoFlow River 2 is the better option for users prioritizing portability.


Durability and Battery Lifespan

Both models use LiFePO₄ (LFP) battery technology, known for long lifespan, safety, and efficiency. Each power station offers 3,000+ charge cycles, ensuring years of reliable performance.

Winner: Tie

Both models have exceptional durability and long-lasting battery technology.


Quick Rundown Of Anker 535

Anker 535 Portable Power Station, 512Wh Solar Generator (Solar Panel Optional) with LiFePO4 Battery Pack, 500W 9-Port Powerhouse, 4 AC Outlets, 60W USB-C PD Output, LED Light for Outdoor Camping, RV
  • 6x Longer-Lasting: Rated to provide 3000 charge cycles with premium LiFePO4 batteries extends the battery lifespan by 6x more than the standard...
  • Unprecedented 10-Year Lifespan: Instead of 2 years, 535 Portable Power Station lets you power your devices everyday for 10 years. It also comes...
  • Extra USB-C Port: Recharge to 80% in under 2.5 hours via the in-box adapter and a USB-C port. Time to get rid of bulky adapters because charging...
  • 9 Ports for All: The power station has all the ports you need to charge your devices and appliances. It is equipped with 4 AC ports, 3 USB-A...
  • All-Round Capacity: With a 512Wh capacity, the power station is an all-round solution to charge all your necessities. Seamlessly power a heater,...

Pros
  • Higher 512Wh battery capacity
  • Stronger power output
  • Better solar charging
  • More AC outlets (4) for multiple devices
Cons
  • Heavier (16.7 lbs), less portable
  • Slower AC charging


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
  • Extremely lightweight and compact
  • Super-fast AC charging
  • Affordable and travel-friendly
  • 100W USB-C output for fast device charging
Cons
  • Lower battery capacity
  • Limited power output
  • Slower solar charging


Conclusion

The Anker 535 is the better choice for users who need more battery capacity, higher power output, and better solar charging. It is ideal for camping, home backup, and powering small appliances for extended periods.

The EcoFlow River 2, on the other hand, is perfect for users who prioritize portability, fast AC charging, and lightweight design. It is best suited for travelers, weekend campers, and those who need a compact power station for essential devices.

Final Recommendation

  • Choose the Anker 535 if you need higher battery capacity, better power output, and extended runtime.
  • Choose the EcoFlow River 2 if you need a lightweight, travel-friendly power station with super-fast AC charging.

For versatility and performance, the Anker 535 is the superior choice.

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