How Many Amps Does a Car Battery Charger Need for Efficient Charging?
A car battery charger needs to provide 10% to 20% of the battery’s amp-hour (Ah) rating. For a 100Ah battery, a charger must deliver at least 10 amps. To prevent overcharging, do not exceed 30% of the battery’s total charging capacity. This approach ensures safe and effective charging. Using too high an amperage can damage … Read more