Jan. 27, 2025 — Lithium-air batteries have the potential to outstrip conventional lithium-ion batteries by storing significantly more energy at the same weight. However, their high-performance ...

It's easy to replace your iPhone's battery and it can give your phone a brand new lease on life. Andrew is CNET's go-to guy for product coverage and lead photographer for Europe. When not testing ...

Size Remember to consider whether having a lighter, thinner laptop or a touchscreen laptop with a good battery life will be important to you in the future. Size is primarily determined by the ...