Donut Lab, the Finnish solid-state battery startup that has faced intense skepticism since its CES 2026 debut, released its first pack-level charging test results today. The 18 kWh battery pack ...

My portable jump starter quickly cranked the engine and the crisis was resolved. Overall, portable jump starters are much safer than using jumper cables to revive a dead battery. Here’s why: ...

We’ve replaced our “best magnetic” battery pack with a newcomer, the Sharge Icemag 3, which has a distinctive design and some ...

Smaller battery packs and portable chargers are often labeled by capacity in milliampere-hours (mAh). That unit of measurement helps you gauge how much energy is stored in the batteries. If you ...