But there is a wide range of chargers with different charge rates on the market - from 2 to 10 amps. The higher the charge output, the faster a flat battery is recharged. Fast charging, however, is undesirable as it can buckle the battery plates. read more
If the charger has an adjustable charge rate, charge the battery in the lowest rate first. Make sure that the charger cable clips make light connections. Charger location. Locate the charger as far away from the battery as the DC cables permit. read more
Tip: When choosing a car charger, bear in mind that fast chargers will do the job more quickly but may overheat the battery and the slower charging, trickle-down varieties deliver a charge that will not overheat the battery. read more