All “big four” U.S. airlines now restrict how portable power banks can be stored and used in flight—as Delta Air Lines and United Airlines each report at least three lithium-battery incidents so far ...

Portable chargers — the compact, rechargeable power banks tucked into millions of carry-on bags — have quietly become one of the fastest-growing fire hazards in the sky. Airlines and international ...

American Airlines this week will introduce new restrictions on portable chargers that passengers can bring on flights for their electronic devices. Starting Friday, American Airlines customers may ...

Lithium-ion batteries power nearly everything we use today—smartphones, laptops, tablets, toothbrushes, and even electric cars. These rechargeable tools have revolutionized modern life, but they often ...

Single-cell lithium-ion (Li-ion) chargers are widely used, yet many practical designs rely on highly integrated ICs that conceal their internal operation. The type of Li-ion charger outlined in this ...