With new Lithium Ion Rechargeable batteries,® you can enjoy continuous stable and uninterrupted use throughout your day. With rechargeable solutions, you can also avoid the hassle of disposable batteries. You simply set your micro RIC 312t hearing aids on the new Lithium Ion battery charger overnight, instead of replacing your batteries every few days. A pair of new Lithium Ion Rechargeable batteries can take the place of an estimated 200 disposable batteries. Your hearing care professional can replace your new Lithium Ion Rechargeable batteries for you each year. Lithium Ion Rechargeable Batteries FAQs