We will provide you with free batteries at Audio Help Hearing Centers’ location for five years from your purchase date. Free batteries are only available for pick up from an Audio Help Hearing Center location. If you wish to have your batteries mailed to you, there will be a $5 charge for first-class U.S. Postage and a $10 charge if you’d like the batteries shipped via UPS. We provide three packages of eight batteries in each shipment. It is important that you note the size indication of your batteries as there are three different types, and you must have the correct size for your hearing aids.