Name: Anker 521 Portable Power Station Upgraded with LiFePO4 Battery, 256Wh 6-Port PowerHouse, 300W (Peak 600W) Solar Generator (Solar Panel Optional), 2...
Brand: ‎Anker
SKU: B09FF46FQ9
Price: 149.99 USD
Availability: InStock
Rating: 4.4 (2971 reviews)

Our Verdict

Anker 521 Wins

‎Anker 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 - Portable Power Stations

Its LiFePO4 battery offers a 10-year lifespan and higher 600W peak output. Choose Jackery for its lighter 7.1 lbs weight and slightly larger 293Wh capacity for quick recharges.

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Bottom Line: Anker 521 is the better choice. Its LiFePO4 battery offers a 10-year lifespan and higher 600W peak output.

Key Differences

The most significant spec differences at a glance

256

Battery Capacity

13% less

293

600

Peak Output

20% more

500

8.16

Weight

15% more

7.1

Advantages

Where each product wins

‎Anker

Peak Output: 20% higher (600.0 vs 500)

Jackery

Battery Capacity: 13% higher (256.0 vs 293)
Weight: 15% lower (8.16 vs 7.1)

Who Should Buy Which?

Find the right product for your needs

Buy ‎Anker if...

Anker 521 Portable Power

The Anker 521 Portable Power Station is perfect for the savvy buyer who values durability and a smart investment. If you need a reliable power source with an exceptional 10-year battery lifespan, thanks to its LiFePO4 chemistry, and appreciate the capability to handle brief surges up to 600W for demanding tools or appliances, this is for you. It's ideal for steady camping, RV trips, or as a long-term emergency backup, offering a 60W USB-C PD output for quick laptop charging at a budget-friendly $149.99, accepting its 256Wh capacity.

Buy Jackery if...

Jackery Portable Power Station

The Jackery Explorer 300 is designed for the active outdoor enthusiast or someone needing rapid power replenishment. If your adventures require a lightweight (7.1 lbs) and quickly rechargeable power station – reaching 80% in just 2 hours – this is your go-to. Its 293Wh Li-ion capacity offers a slight edge for longer periods away from an outlet, and the integrated MPPT controller simplifies solar charging. It's ideal for short camping trips, tailgating, or reliable backup for small electronics, valuing portability and speed despite its higher price of $178.99.

Spec Comparison

11 specs compared

Specification	Anker 521 Portable Power	Jackery Portable Power Station
Price	$150	$179
Rating	4.4(3.0k)	4.6(10.8k)
Capacity Wh	256W	293W
Chemistry	LiFePO4	Li-ion
AC Output Watts	300W	300W
Dc Ports	1	1
AC Outlets	2	2
Weight	8.16 lbs	7.1 lbs
USB A Ports	2	2
USB C Ports	1	1
Peak Output Watts	600W	500W
Charge Time Hours	—	2 hrs
Solar Input Watts	—	100W

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Pros & Cons

Quick overview of strengths and weaknesses

‎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

Jackery Portable Power

Pros

80% recharge in 2 hours via dual input.
293Wh Li-ion capacity; 300W pure sine wave AC.
Weighs 7.1 lbs for easy transport.
Charges 6 devices; multiple output types.

Cons

Solar panel not included with purchase.
300W continuous AC output limit.
Capacity of 293Wh may be insufficient.
Single USB-C port.

Frequently Asked Questions

Common questions about this comparison

Which power station offers better long-term durability?

The Anker 521, with its LiFePO4 battery chemistry, provides a significantly longer lifespan of 10 years, compared to the Li-ion battery in the Jackery Explorer 300. This makes the Anker a more durable choice for extended use.

What is the main difference in power capacity and charge time?

The Jackery Explorer 300 offers a slightly higher 293Wh capacity versus Anker's 256Wh. However, the Jackery recharges to 80% in just 2 hours via dual input, whereas Anker's charge time isn't specified but typically longer for similar capacity.

Which power station can handle higher power draw from appliances?

Both units provide 300W continuous AC output. However, the Anker 521 has a higher peak output of 600W, compared to the Jackery Explorer 300's 500W peak output. This means the Anker can better handle brief power surges from some devices.

Is the weight difference significant for portability?

Yes, the Jackery Explorer 300 is noticeably lighter at 7.1 lbs, making it easier to transport for camping or travel. The Anker 521 weighs 8.16 lbs, which is about a pound heavier.