If you have the best product, you can pretty much choose your customers. But I suspect the choice is done simply with pricing to reflect better performance qnd

If you have the best product, you can pretty much choose your customers. But I suspect the choice is done simply with pricing to reflect better performance qnd or branding associated with it. Hence, counterfit cells are more common than real ones by top manufacturers. Even the pros are giving up trying to ID fakes and just focusing on testing whatever shows up in the box.