Mobile pass and phone about to „die“, how to transfer 4 mobile passes

hello, 

On our way back to Belgium from Sweden. but but, the battery of my phone has problem and is about to die (first time it does that). How can i transfer our 4 pass (we are 2 adults and 2 children) to the phone of my husband? At the moment, our 4 pass are on my phone and since we have still 6 trains to take in 2 days, i m afraid we will get stucked. 

i need help! 

thanks a million

please  reply on xxx@gmail.com

Best

Cecile

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