Power One batteries for hearing aids are made by Varta a German company. They are sold under other brand names by many hearing aid specialists. My experience has been that they last as long as any other brand I have used at a great savings.
Verified purchase: Yes | Condition: New
It maintains full power for a fairly long time, but I've only used several so far.
Verified purchase: Yes | Condition: New
love the product
Verified purchase: Yes | Condition: New
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