Batteriesinaflash.com has an abundant amount of size 399/395 watch batteries available. These watch button cells (also are known as coin cells) fit many sizes. For example, a size 399 battery is the equivalent of a SR927SW battery, which is also the same is a SG7 Battery. If you happen to run into two batteries that are in the came category but have 2 difference sizes, it simply means that one battery is often a high drain battery while the other is a low drain battery.
What's the difference between a silver oxide battery vs an alkaline watch battery?
For several of our battery sizes, we carry both Silver Oxide and Alkaline chemistry batteries. So what's the difference between the two (outside of price)? Well, Silver Oxide batteries often have a higher energy density and have the ability to put out a high current for their size. These batteries typically last longer than their alkaline counterparts. These should never be used on a battery charger, ever
As for alkaline batteries, they are often used for most kinds of batteries, and watch batteries are no exception. They have a shorter shelf life compared to silver oxide batteries, but they still last pretty long regardless. They are cheaper to make (hence the smaller cost), the only problem with alkaline watch cells would be that they could potentially leak and could cause corrosion and damage your watch (or other devices that use these batteries.
Need help finding the right battery?
If you have a question about the best fit for your battery needs make sure to give us a call at (800) 515-BIAF. If you are unsure that you need a 399 and/or 395 battery and need to find the equivalents of that size, simply check out our Watch Size Battery Equivalent Chart. We do our best to keep up to date with different brands and models.
399 / 395
Monthly Specials For April
Maxell SR927W SR57 399 SG7 SR927 Silver Oxide Watch Battery
Save: 73% off
10pk Vinnic S926SW Silver Oxide Watch Batteries 1.55-Volt 399/395
Save: 58% off
10pk Vinnic Size LR57 395 AG7 L926 SR927W Alkaline Watch Battery
Save: 51% off
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