Browse all rechargeable hearing aids here at Hearly.net. We offer a wide range of rechargeable hearing aids and you can try all of them for 30 days without any obligation. All prices include a 5-year warranty. See all prices and specifications in the hearing aid section. Rechargeable hearing aids use a lithium-ion battery. This can be recharged again and again with the supplied charger. This means that changing batteries is no longer necessary.