A decent set of rechargeable AA batteries are a must-have for photographers, especially for powering speedlights and wireless commanders. Rechargeables offer several advantages—they’re more ...

Large commercial aircraft and some smaller commercial, corporate, and private aircrafts are required by the Federal Aviation Administration to be equipped with two black boxes, according to the NTSB.

Numerous gadgets, from remote controls to hearing aids, depend on small batteries ... a wide range of cylindrical and button cell batteries, including AA, AAA, C, CR123A, D, 9V, N, CR2, CRV3 ...

It's one of the most important pieces of forensic evidence following a plane crash: The so-called “black box."There are actually ... While the battery that powers the beacon will run down ...