I have purchased black and

I have purchased black and decker scissors from america i have pusched the necessay charging equipment in australia to suit but the batteries will not charge these are brand new. I am not looking for warrantey on them i just whish to know if the batteries have packed up and if i can buy new ones to suit the numbers are sz360 thpe1 3 6v dc use with5406-08-001 charger i cant find a model number but they ar black and orange with silver tip hoping you can help as bought 2 pair and the seller is not very kean to assist hoping you can help us with someinformation hoping to hear from you soon regards colleen darroch