Once simply a material used to construct things, concrete might soon be able to store clean energy. What are the ins and outs? How can it be used?
Three ports, 45W fast charging, and a design small enough to forget it's even there.
The Kuxiu S2 performed well in our tests, its 5000mAh (5K) battery recharging an iPhone 16 Pro from 0% to 79%. The S3 has a ...