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Switching on the energy-saving mode will automatically turn off the power station once all your devices are fully charged to prevent wasting power.
Switching off the energy-saving mode will enable stable charging and keep your devices running during long usage like time-lapse photography.
During your trips or emergencies, the portable power station serves as a source of light for added convenience.
Easily check your charging status with an informative LED display. Keep track of the cell capacity, current input and output, and the estimated time for the power station to recharge.
The power station operates at whisper-quiet levels at all times thanks to an internal chip and intelligent AI algorithm, so you barely know it's on.
Please note that the power station is not suitable for using CPAP overnight. It only supports devices or appliances with a rating less than 200W.
Model Number: A1720
Anker 521 Portable Power Station (PowerHouse 256Wh)
Lightweight Power Station with 398W Total Output
Extremely Durable Batteries
Lithium iron phosphate (LiFePO4) batteries have a 6 times longer lifespan and can last 3000 cycles compared to the average battery of other portable power stations.
A Place for All Your Devices
The high-capacity power station pumps out power to all your mobile devices, computers, small appliances, and emergency equipment with zero interference.
Light Up the Dark
Features a built-in LED light to keep you and your loved ones safe in the dark during a blackout. To activate SOS mode, long press for 2 seconds.
To reduce energy waste, the power station will instantly power off once your devices are fully charged. For a stable and optimal charge, simply turn off power-saving mode.
Smart LED Display
Easy-to-read LED display shows the remaining battery capacity, current input and output status, as well as estimated recharge time.
Cell Capacity 256Wh
Lifecycle 3000 cycles to 80%+ capacity
Operating Temperature 32°F-104°F / 0°C-40°C
Ambient Temperature 32°F-104°F / 0°C-40°C
Size 21.6x21.14x14.4cm / 8.5x8.32x5.67inches
Weight 4.34kg / 9.57lbs
DC Input 11-28V⎓5.5A (65W Max); USB-C Input 5V⎓3A / 9V⎓3A / 15V⎓3A / 20V⎓3A (60W Max)
Car Charger Output 12V⎓10A; AC Output 110V~ 1.82A, 50Hz/60Hz, 200W; USB-A Output 5V⎓3.6A (2.4A Max Per Port); USB-C Output 5V⎓3A / 9V⎓3A / 15V⎓3A / 20V⎓3A (60W Max)
- When the control buttons are turned on, even if no devices are being charged, there will still be a certain amount of no load power consumption. Therefore, it is recommended to turn off the control buttons after using them to avoid draining power.
- Please remove the protective film on the screen before using it for the first time. The power station supports pass-through charging while connected via a vehicle output or AC outlet.
- Incompatible with appliances that require more than 200W input such as microwave, electric grill, refrigerator, electric vehicle, air compressor and more.
- Do not use with CPAP overnight and in power saving mode.
Tech that is at the cutting edge of performance and specs.
200 Million+ Products Sold Worldwide
Available in 146 Countries
Pioneer in Charging Technology for 10 Years
"Anker Nano II can truly be one charger to rule them all."