http://www.healthyhearing.com/help/hearing-aids/insurance-financial-assistance
I found this web site , it might give the OP some ideas how to get help with the cost of their batteries, it sure wouldn't hurt to see VR would help
if they don't they might know of some agency that will help . There are of agencies out there that help people you. The Lion Club or church might help too.
Mass rehab paid for my HA when I was going to college .