1. Ọdabara niile Apple usoro. PD27Wchaja ngwa ngwa 50% n'ime nkeji iri atọ. Azụ dakọtara na PD20W PD18W
2. Kwado Apple PD ngwa ngwa nchaji, ndakọrịta IC: dakọtara na usoro kachasị ọhụrụ nke ụdị ebumnuche izugbe niile, nke kachasị ugbu a nwere ike iru 3A