PGSONIC CR2016 3V Lithium Coin Battery (15-Pack), Powerful, Reliable and Leak-Free

Customers find these batteries to be of good quality and excellent value, with positive feedback about their functionality, particularly in car key fobs. They receive positive feedback for their perfect fit, with one customer noting they work well in light-up baseball caps. The battery life and compatibility receive mixed reviews - while some say they last long, others report they don't last at all, and while one customer says they work well with car remotes, another reports issues with their car keys.