The Anker PowerCore 533 power bank is designed to keep your devices charged on the go. With a capacity of 10,000 mAh, it provides ample power to keep your cellular phone energized throughout the day. The compact design makes it easy to carry, ensuring that you have reliable backup power wherever you are. Featuring voltage output options from 5 to 20 V, this power bank can cater to a variety of devices. The LCD display keeps you informed about the battery status, while the trickle charge feature ensures a gentle power delivery to smaller devices. Equipped with ActiveShield 2.0, it offers safety during charging, making it a dependable choice for everyday use.