Energizer 2016 Batteries (2 Pack), 3V Lithium Coin Lithium Batteries with 3-in-1 Child Shield

Customers find these batteries work well in keyless remote starters and car door remotes, appreciating their compatibility and ease of installation. They receive positive feedback for their quality, value, and power, with one customer noting they provide double the amperage. Battery life shows mixed results, with some lasting up to 10 months while others fail after 6 months of use. The freshness of the batteries also receives mixed reviews, with some customers receiving fresh ones while others report receiving batteries that are already 3 years old.