Get the latest update on our COVID-19 safety procedures. 2 ways to order batteries Call us The phones are open weekdays from 8.30 a.m. – 5:00 p.m. 0800 7408 796 By e-mail We'll reply as soon as possible. E-mail Online ordering in 4 steps Email or call us using the contact details above If you email us, please include your Hidden Hearing customer number and phone number. We’ll call you just to confirm your order and make sure you’re ordering the right batteries for your hearing aids The package will be sent to your address Receive your package within 2–4 days Order here Hearing aid batteries Size 10 Place order Size 13 Place order Size 312 Place order Size 675 Place order Frequently asked questions How can I make sure that I order the right batteries? If you order your batteries by email, we’ll call you just to confirm your order and make sure you’re ordering the right batteries for your hearing aids. How do I pay for the batteries? If you purchased your hearing aids from us within the last three years, there's no need to pay for your batteries. After three years, we'll send you an invoice with the package. When will I receive my order? You can expect to receive the package about 2–4 days after placing your order.