Power StationBench

Anker

Anker 521 Portable Power Station Upgraded with LiFePO4 Battery

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 GeneratorAnker 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 — photo 2Anker 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 — photo 3Anker 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 — photo 4Anker 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 — photo 5Anker 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 — photo 6

8.7Bench Rating · 2 sources

4.4(3,133 ratings)

$260

Price and rating captured from Amazon on September 14, 2026.

$260 at Amazon(paid link)

Capacity

256 Wh

Continuous output

600 W

Surge output

600 W

Specs are read from the manufacturer's own Amazon listing text. Anything the listing does not state is left blank rather than estimated.

Hands-on video

The most-watched review of this unit

ANKER 521 Power Station- CHEAPEST Lithium IRON Phosphate! LiFePO4

Silver Cymbal · 140K views

Chosen automatically as the most-watched review of this exact unit with at least 5K views. We do not pay for or commission any video.

Bench Rating

8.7 out of 10

A single score blended from every independent read-out we could find. Amazon carries the most weight, a hands-on video review next. Sources we could not find are left out and the rest are reweighted, so nothing is invented.

Amazon customers

8.864% of score

Hands-on video review

8.536% of score

ANKER 521 Power Station- CHEAPEST Lithium IRON Phosphate! LiFePO4

No coverage found yet from: Reddit owners, Expert review.

From the listing

What the seller says

  • Robust High-Wattage Support: SurgePower technology ensures a robust output up to 600W, capable of powering high-demand appliances with ease during outdoor activities or unexpected power outages.
  • Decade-Long Performance: InfiniPower technology guarantees a lifespan of up to 10 years with LiFePO4 batteries, advanced temperature control, and a durable construction for long-lasting power storage.
  • Multi-Device Charging Hub: Equipped with 6 diverse ports, including 2 AC, 2 USB-A, 1 USB-C, and 1 car outlet, it caters to a wide range of charging requirements for electronics on the move.
  • Streamlined Fast Charging: The built-in USB-C port offers a fast-charging solution, allowing for swift recharging of laptops and other compatible devices, streamlining the charging experience.
  • Extended Energy Reserve: Boasting a 256Wh capacity, the battery provides substantial power for extended getaways, keeping your devices fully charged and operational throughout your adventures.
  • What You Get: Anker 521 Portable Power Station (PowerHouse 256Wh), DC adapter, car charging cable, welcome guide, our worry-free 5-year warranty, and friendly customer service.

Also ranked

Other top-rated units