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 ...

Batteries charged at the lower voltage met BCI voltage standards for a fully charged battery. The Deka Intimidator AGM 9A35/85 is part of the Car Batteries test program at Consumer Reports.

East Penn Manufacturing, Co., Inc. proudly announces the release of the Deka ® Fahrenheit™, a revolutionary heat-tolerant VRLA (Valve-Regulated Lead Acid) monobloc battery. The Deka Fahrenheit is ...