Our car experts choose every product we feature. We may earn money from the links on this page. This article was updated with new products and information in November In fact, according to AAA , proper battery care can prevent many dreaded and pricey towing situations. A car battery charger and maintainer is a smart investment that can save you hassle, time, and money in the long run.
Not all battery chargers and maintainers are created equal. Before you decide which one to buy, here are some important factors to remember. Charging is the process of replenishing a partially discharged battery by restoring its voltage. It uses higher amperage to quickly bring the battery back to full capacity. Maintaining: Also known as trickle charging, this mode supplies a small, steady current to keep a fully charged battery at its peak.
Since batteries naturally lose charge over time, maintainers counteract this process without overcharging. We suggest choosing a device that offers both features. Different batteries require different chargers. Common types include lead-acid, AGM, and gel batteries. Make sure the charger you pick is compatible with your battery type.
Amperage indicates the strength of the electrical current and directly affects how quickly your battery charges. If you need a fast charge, look for a charger with a higher amperage. For those who prioritize long-term maintenance, a lower amperage may suffice. We measured the distance from the plug to the alligator clamps during our testing. Ensure the cord length is sufficient for your setup to avoid frustration later.
You can confidently choose a charger or maintainer that best suits your vehicle and lifestyle by weighing these factors. Determining the effectiveness of a charger can be clear as mud, given the sheer amount of variables—from amperage to battery type, battery health, and state of charge.
