Use your old micro USB cables with a newer USB-C port by using this adapter. Comes in a pack of 2. Chuck one in your wallet and one in your car or bag.
Make sure to select "AU" as the warehouse and apply the "affiliate6" coupon at checkout. This should bring the total to US $1.72 Use a credit card with no foreign transaction fees to avoid being slugged by PayPal/your bank.
Shit website. Always failed on payment step.