How to test Lightning Charger cable

We sell devices (male lightning tip) that will charge iPhones/iPods/iPads that have a Lightning socket.

Our device therefore has the Apple Male connector. How can I attach an electronic load to verify the power output capability of this device?

First I need a female Lightning socket then the best solution for authenticating without an iPhone/iPod or iPad connected. Custom hardware is acceptable.

Since we load many of these at a time, a full blown ATS is not an option.

gmcmurray