The $50 discount is only available to new customers who join Powershop via this page or call us on 1800 462 668 mentioning the MV Staff promotion on or before 31 March 2019. Once you have switched to Powershop, Powershop will apply a $50 discount to your Powershop account.The $50 discount can only be used to pay your Powershop account and cannot be refunded or redeemed for cash. There is only one initial discount of $50 per account. The $50 discount is not available in conjunction with any other promotional offers available through Powershop from time to time. You can contact Powershop through www.powershop.com.au or by calling 1800 462 668.