Recommended Batteries

Type

Size / IEC-type

(20uA load)

Zinc Air Hearing Aid Battery

675 / PR44

540 mAh

180 hour.

840 hour or 35 day (1)

Silver Oxide Hearing Aid Battery

675 / SR44

150 mAh

50 hour.

7 500 hour or 310 day.

Alkaline Battery

675 / LR44

110 mAh

36 hour.

5 500 hour or 230 day.

Note (1): The capacity of the zinc air battery will fall 20% in a month. After the activation the zinc air battery begins to self-discharge. The batterywill be empty within $ weeks.

Note (1): The capacity of the zinc air battery will fall 20% in a month. After the activation the zinc air battery begins to self-discharge. The batterywill be empty within $ weeks.

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