A:Answer To the best of my knowledge, the differences among various models of iPhones are limited to INTERNAL operating features (functions) and they use the same basic power cords and adapters as they have the same basic internal power source (battery) and are powered via the same type(s) of electrical outlets, which are EXTERNAL functions. Moreover, reputable companies specify (list) which devices are compatible with the various accessories they sell, making it easy to ascertain which ones are appropriate choices for your device(s). CAVEAT: do not purchase any item if this vital information should be missing!