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 the ...

Testing your battery regularly will prevent a dead battery from ruining your day. There’s only one way to answer the question ...

Consumer Reports tests batteries for life, reserve capacity, and cold performance. Some batteries perform admirably, but ...

The DieHard H8-AGM is part of the Car Batteries test program at Consumer Reports. In our lab tests, Car Batteries models like the H8-AGM are rated on multiple criteria, such as those listed below.

Automotive technology has advanced at ludicrous speed, yet modern automobiles still use battery technology that originated in the early 1900s. We should clarify we’re not referring to the battery ...

When compared with basic battery chargers, the FOXWELL BC521 stands apart through its combined charging, testing, and ...