The charging time can be calculated using the formula:
Charging Time (hours) = Battery Capacity (Ah) / Charger Current (Amps)
In this case:
Charging Time = 60 Ah / 6 A
Charging Time = 10 hours
Therefore, it will take approximately 10 hours for a 6 amp charger to fully charge a 12 volt battery with a capacity of 60 Ah.
Please note that this calculation assumes an ideal charging scenario and does not account for any inefficiencies or losses in the charging process. Actual charging times may vary depending on various factors such as battery condition, charger efficiency, and environmental conditions.