Hi Owen. Welcome to justanswer.
You can buy the replacement charger from this LINK.
CLICK HERE TO BUY
Reply if you have any query.
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Go to your Account on ebay and you will find an option of returning the product. Request a return of this product
I will find another one for you.
Owen actually it was clearly mentioned on the page that usb cable is not included. Either you can use any usb cable to connect this charger or can return it. I would advise you to use a usb cable. If you don't have one then you can buy one from the local store.
ELSE YOU CAN BUY FROM AMAZON FROM THIS LINK. Everything is included here. You will get an additional battery also.