SureFire 123A Lithium Batteries vs Panasonic CR1616 3V Coin Cell Li...

A very noticeable expanded lifespan with these surefires. A little pricey but worth it. The shelf life on these batteries is 10 years per the manufacturer.

These are the only batteries i use in my flashlight. Top rate 123 batteries for flashlights and headlamps. I'm a duracell battery guy but these have never disappointed me.

Batteries only last about 70 minutes of use in a single led tactical flashlight before fall on their face and leaving me with about half of the lumens as when fresh. I'm on my last battery and its been less than a year since purchasing the pack. Each ...  Read More

Amazon's one size fits all return policy is inappropriate for some things. These barely last a week. Skip these and go energizer. Then i find out they are not returnable.

It's a great size and it lasts a long time. The wording is very well drafted. Would definitely recommend for purchase.

Must be a defective batch. Ordered on 2/18. Has a 10 year expiration date 12/28. Try to return it, then the printing label said i had to pay postage.

X cr1616 button cells were no good- bought for my car key and did not work. It fit my honda cr-z key fob, but 2 months in and the it’s already dying. On a 3 volt battery, no good.

Buyer beware. Would not buy from this seller again. Don't waste your money.