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
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
Only 1 left in stock, order soon!
Arrives
Tuesday, Dec 16
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Style: Anker 521 Portable Power Station
Features
- 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.
Brand: Anker
Wattage: 300 watts
Fuel Type: Electric
Power Source: Battery Powered, Solar Powered
Recommended Uses For Product: Laptop
Item Weight: 8.2 Pounds
Voltage: 110 Volts (AC)
Output Wattage: 300 Watts
Special Feature: Portable
Included Components: Anker 521 Portable Power Station (PowerHouse 256Wh), DC adapter, car charging cable, welcome guide, our worry-free 5-year warranty, and friendly customer service. See more
Brand: Anker
Wattage: 300 watts
Fuel Type: Electric
Power Source: Battery Powered, Solar Powered
Recommended Uses For Product: Laptop
Item Weight: 8.2 Pounds
Voltage: 110 Volts (AC)
Output Wattage: 300 Watts
Special Feature: Portable
Included Components: Anker 521 Portable Power Station (PowerHouse 256Wh), DC adapter, car charging cable, welcome guide, our worry-free 5-year warranty, and friendly customer service.
Color: Black
Product Dimensions: 8.5"L x 5.67"W x 8.33"H
Material: Plastic
Model Name: A1720
Engine Type: 4 Stroke
Ignition System Type: Electronic
Total Power Outlets: 2
Current Rating: 10 Amps
Engine Power Maximum: 200 Watts
Starting Wattage: 200 Watts
Running Wattage: 300 Watts
UPC: 194644083953
Manufacturer: Anker
Item Weight: 8.2 pounds
Department: Unisex-Adult
Item model number: A1720
Batteries: 1 C batteries required.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Dec 16
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Anker 521 Portable Power Station
I bought this as an auxiliary power source for use in a vehicle--I need to carry a 12 volt refrigerator with me (special dietary needs, road food, etc.), and occasionally charge up Milwaukee tool or DSLR batteries even if the vehicle is not running. The packaging of the 521 is ideal, although I wish the two 120V outlets had "real" 3-prong outlets. The size is perfect when a vehicle is loaded up--it uses little space. I ran two tests with the refrigerator connected to the 12 volt outlet. The refrigerator operates in both ECO and MAX modes. The ECO mode draws 30-35 watts while operating, while the MAX runs at anywhere from 40-50 watts. I ran the refrigerator indoors somewhat near a heat outlet, to simulate being inside a warm vehicle. The refrigerator is rated to deliver 256Wh of power, so I calculated that worst case would be the refrigerator running constantly for 5.5 hours. Turns out that with the refrigerator cycling on and off, it ran over 20 hours before the battery was down to about 2-4% capacity. EDIT: I had a charging issue that was partly my own misunderstanding and partly my car's wiring. I was at first unsuccessful in getting the 521 to charge from both inputs. First, I had to use a USB-C PD charger, which provides higher voltages than standard USB chargers. This allowed a full 65 watts on the USB-C input for charging. But I would add the 120 volt charger that came with the 521 in tandem with the USB-C charger wasn't getting the ~120 watts of charging. I later realized that for battery health, the 120 watt charging through both DC inputs only happens when the battery's state of charge is lower. If it's nearly fully charged, it cuts back to only a single DC input. Yet, I still could not get both to work in the car. I have a 150 watt 120-volt inverter in the car, which plugs into a rear accessory outlet using a lighter plug. It turns out that if I have both the 521's 120 volt charger and a USB-C PD charger plugged into the inverter, the inverter stops working. Likewise, if I use a separate USB-C charger that plugs into the accessory outlet (I have a 1:3 adapter with a voltage readout), the inverter cuts out. It seems the inverter is cutting out when voltage drops below a nominal value like 12.8 volts. In essence, the wiring from the fuse box to the accessory outlet cannot provide full wattage without voltage sag. When I plug the USB-C PD adapter into an accessory outlet in the center console (which is on its own 15 amp circuit), I can get 120 watts of charging to the 521. I will wire up my own circuit with 6-gauge wire to run a 300 or 400 watt inverter and a pair of accessory outlets, as this will eliminate the voltage drop. With ~120 watts, this provides a quicker recovery for the battery while the refrigerator is operating, which is exactly what I needed.
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Reviewed in the United States on October 18, 2023 by -=Rudy=-
Style: Anker 521 Portable Power Station
Dateline: A Silent House, 1:25 AM. The power is out. The grid, that fragile, humming web we all depend on, has finally given up the ghost. The neighborhood is plunged into a sudden, medieval darkness. The silence is deafening, broken only by the frantic, internal monologue of a man whose digital nervous system has just been severed. The phone is dying. The laptop is a useless brick. The world has shrunk to the size of a single, dark room. This is the moment of truth. The moment that separates the prepared from the pathetic. And in my corner, sits a quiet, unassuming grey and black box: the Anker 521 Portable Power Station. This is not a generator. A generator is a loud, stinking, gas-guzzling beast that screams your desperation to the entire county. No, this is something else entirely. This is a silent, solid-state brick of pure, unadulterated electric potential. At its heart is a LiFePO4 battery, a name that sounds like a mineral mined on a hostile moon. And it has the constitution to match. This isn't the fragile, temperamental battery chemistry of a cheap power bank. This is the hardened, long-haul stuff, built for a decade of abuse and a thousand cycles of life and death. It’s the kind of reliable core you want when the lights go out for real. You press the button, and the little screen glows to life, a calm, rational display of numbers in a world gone mad. It tells you how much juice you have left, a beautiful, concrete percentage of hope. And then you see the ports. It’s a beautiful, multi-pronged solution to the problem of a dead world. Two proper AC outlets, the kind you find in a wall, ready to accept a lamp or a laptop charger. A 60W USB-C port that funnels power into a dying MacBook with the ferocity of a firehose. A whole suite of USB-A ports for the lesser-but-still-vital gear. The phone gets plugged in. The smartwatch. The rechargeable lantern. The laptop. One by one, their tiny charging lights blink on, small constellations of defiance against the oppressive darkness. The house is still black, but my little corner of it is alive. I have a communications hub. I have light. I have a connection to the world outside my unlit window. I’ve dragged this box into the wilderness, a willing companion on camping trips where it kept the music playing and the cameras charged, a silent workhorse in the middle of nowhere. It has weathered every storm, both literal and figurative. The Anker 521 is more than a battery. It’s a plan. It's a small, portable declaration of independence from a fickle and unreliable power grid. It’s the quiet confidence of knowing that when everything else goes dark, you have a 256 watt-hour box of pure, life-giving electricity, waiting patiently to be unleashed. It’s not just a power station; it’s a peace of mind you can carry by a handle.
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Reviewed in the United States on June 6, 2025 by iamoverrated