Duracell has changed hands a few times, but today, it's owned by Berkshire Hathaway — the same conglomerate behind Dairy ...

Plenty Of Riders Trust Deka Batteries For Their Harleys Deka is hardly a newcomer to the battery game, with the brand joining the fray over half a century ago. Throughout its decades in business ...

How well a battery withstands repeated charge-discharge cycles in high temperatures. A higher score means better reliability and voltage retention over time. How long a battery can power a car if ...