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 ...

The best rechargeable AA batteries are a must-have for photographers, especially for powering speedlights and wireless commanders. Rechargeables offer several advantages—they’re more cost-effective ...

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 ...

Looking for a phone that won't let you down when it comes to battery life? We've got you covered. At PhoneArena, we are independently testing the battery life of each smartphone we review. So which ...