Anker 521 Portable Power Station Upgraded with LiFePO4 Battery, 256Wh 6-Port PowerHouse, 300W (Peak 600W) Solar Generator (Solar Panel Optional), 2 AC Outlets, 60W USB-C PD Output, Outdoor Generator

‎Anker

521 Portable Power

4.4
$130
Check Price
VS
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

‎Anker

535 Portable Power

4.6
$249
Check Price

Our Verdict

Anker 535 Wins

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

It offers superior capacity (512Wh vs 256Wh) and AC output (500W vs 300W). Choose Anker 521 for a more compact and lighter option when lower power needs suffice.

$249Buy on Amazon

Spec Comparison

9 specs compared

Specification
Anker 521 Portable Power Station Upgraded with LiFePO4 Battery, 256Wh 6-Port PowerHouse, 300W (Peak 600W) Solar Generator (Solar Panel Optional), 2 AC Outlets, 60W USB-C PD Output, Outdoor Generator
Anker 521 Portable Power
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
Anker 535 Portable Power
Price$130$249
Rating4.4(3.0k)4.6(399)
Capacity Wh256W512W
ChemistryLiFePO4LiFePO4
AC Output Watts300W500W
Dc Ports1—
AC Outlets24
Weight8.16 lbs—
USB A Ports2—
USB C Ports11
Peak Output Watts600W750W

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Pros & Cons

Quick overview of strengths and weaknesses

Anker 521 Portable Power Station Upgraded with LiFePO4 Battery, 256Wh 6-Port PowerHouse, 300W (Peak 600W) Solar Generator (Solar Panel Optional), 2 AC Outlets, 60W USB-C PD Output, Outdoor Generator

‎Anker Anker 521

Pros
  • LiFePO4 battery provides 10-year lifespan
  • Peak 600W output handles high-draw appliances
  • 60W USB-C PD port recharges laptops quickly
  • Six outputs: 2 AC, 1 USB-C PD, 2 USB-A, 1 DC
Cons
  • 8.16 lbs unit weight impacts portability
  • 256Wh capacity limits high-draw use cases
  • Solar charging requires separate panel purchase
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

‎Anker Anker 535

Pros
  • 512Wh capacity offers substantial portable power.
  • LiFePO4 battery ensures long lifespan, increased safety.
  • 500W AC output handles common household electronics.
  • Four AC outlets power multiple devices simultaneously.
Cons
  • 500W continuous output limits demanding appliances.
  • Only one 60W USB-C Power Delivery port included.
  • Solar charging requires separate panel purchase.

Frequently Asked Questions

Common questions about this comparison

Which power station is better for extended camping trips?

The Anker 535 is better for extended camping due to its significantly larger 512Wh capacity, offering longer power supply for more devices. The Anker 521's 256Wh is suited for shorter trips or lighter usage needs.

What's the main difference in capacity and AC output between the two models?

The Anker 535 has double the capacity at 512Wh compared to the 521's 256Wh. It also offers a higher continuous AC output of 500W, while the 521 provides 300W, both using LiFePO4 chemistry.

Is the Anker 535's higher price worth it?

Yes, if you need more power and more AC outlets. The Anker 535 provides double the capacity (512Wh) and a higher AC output (500W) with two extra AC outlets, justifying the investment for heavier use.

Which unit is more portable?

The Anker 521 is more portable, weighing 8.16 lbs. The Anker 535, with its larger capacity and higher power output, is heavier. The 521 is better if weight is your primary concern for portability.

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