But keeping your electrical system working or even starting your car will be challenging without a healthy amount of stored energy and steady voltage. Before buying a new battery, one of the first ...

Also, starting a car occasionally “isn’t likely to help,” says RAC spokesperson Simon Williams. “In fact, this may end up draining a weak battery.” Read on for our guide to buying a new ...

Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more cycles endured while maintaining a higher voltage, the higher ...

Life test measures how a battery endures repeated charge-and-discharge cycles at hot-climate engine-compartment temperatures. The more cycles endured while maintaining a higher voltage, the higher ...