Compatible with the MDHearingAid FIT and Empower BOOST models. Power your hearing aids with long-lasting size 10 batteries. Each battery can last between 4-6 days, depending on use and hearing aid model.
Yellow tab
1.45V Zinc-Air
Mercury-free
Made in the USA
For best results, keep batteries stored in original packaging with tab on until use. After removing the adhesive tab, wait one (1) FULL minute before inserting into device for battery to become fully operational.