Maybe the OP should put some money away each month to be able to afford this kind of situation.
AB Slim batteries in the UK only cost £120.00 or £130.00 for the standard size batteries, which is nothing to keep the CI working.
http://www.deafequipment.co.uk/viewProduct.do?id=3854767
http://www.deafequipment.co.uk/viewProduct.do?id=3854767
