Three ccc charger heads can be used to charge apples. There are many chargers, such as lead-acid battery charger, valve-controlled sealed lead-acid battery testing and monitoring, nickel-cadmium battery charger, nickel-metal hydride battery charger, lithium-ion battery charger, portable electronic device lithium-ion battery charger, lithium-ion battery protection circuit charger, electric vehicle battery charger, car charger, etc.