The A10 is a Zinc-Air battery of 5.8 mm × 3.6 mm rated 1.4V, with a capacity of 90 mAh — related searches include hearing aid · zinc air · 1.4V.
It follows the IEC designations of its size class and is covered by our EU battery information portal declaration under Regulation (EU) 2023/1542.
For your device, match the exact size and voltage printed on the old cell — our engineers confirm the reference and can send samples.


