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New COSTCO (their own) Batteries

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I’ve always bought my batteries on Amazon for the convenience and price. I use Duracell which seem to last longer. I get 6 days with my KS6’s. I also like that they come in a plastic case and keep one in my pocket at all times.

Been using Costco’s 13’s for as long as I can remember, without any problems. I change them weekly, but if needed, I can go 10 to 11 days. Price is amazing.

In reply to @JohnC

As I understand it, the latest research tells us that when we take the plastic tag off the batteries, they should be left out in the air for 5 min (yes, 5 now) before installing in the aids, if one is to get the longest life out of them.

Edited

That’s what I thought initially, until folks on the forum said that it’s an old wives tale and has been disproved.

I personally tried it myself with the Costco batteries. Neither 1 minutes nor 5 minutes seems to make any noticeable difference to me. I consistently get 5 days of batteries no matter what.

Sams in the regular battery display (with the D cells and the like) sells Duracel batteries in various sizes (32 for $19) but over at the hearing aid counter they have on a hook some “Liberty” batteries 40 for $10. I can still get 60 for $14 on Amazon Prime UPS’d right to my door (or 60 for $19 for the duracels).

In reply to @Volusiano

@Volusiano said:

That’s what I thought initially, until folks on the forum said that it’s an old wives tale and has been disproved.

I personally tried it myself with the Costco batteries. Neither 1 minutes nor 5 minutes seems to make any noticeable difference to me. I consistently get 5 days of batteries no matter what.

I went to change batteries one night and got distracted. I left them on the table overnight before putting them in my ’s. That was in Dec, 2014 and they are still going strong.

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