Marchpower via Amazon has Lightning Charger Cable Marchpower 3 Pack 3FT White for Iphones/IOS on sale for $6.29 when you apply code 9JACNXET during check out.
Note, code also works for other colors
3 Pack 3/6/10FT (White)
3 Pack 6FT (White)
3 Pack 6FT (Black?