If you would like to change the amount or frequency of your fixed Direct Debit, please call us on 0800 269 769.
If you would like to change your Direct Debit to a new bank account, please complete a new online form here.
If you would like to change the credit card details on your Direct Debit, please fill in this form here. You will need to scan and email it to email@example.com or post it to, Black Box Power PO Box 10044, Dominion Road, Auckland 1446.
Please make sure you call us on 0800 269 769 to cancel your existing Direct Debit.