We compare AGM batteries to lithium batteries to help you know what to look for when buying new batteries for your boat.

Get it! This battery charger can charge all types of 6.0-volt and 12.0-volt lead-acid batteries including AGM, GEL, WET, ...

Whether you left the headlights on overnight or parked in the garage all winter, your car battery can die for any number of ...

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 ...