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The Duracell 389/390 Silver Oxide Button battery is designed to provide reliable power to specialty devices like watches, medical devices, digital thermometers, and other electronics.||Duracell 389/390 Silver Oxide Button batteries are guaranteed for 3 years in storage, so you can be confident these batteries will be ready when you need them. From storm season to the holidays, Duracell is the #1 trusted battery brand.
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The Duracell 389/390 Silver Oxide Button battery is designed to provide reliable power to specialty devices like watches, medical devices, digital thermometers, and other electronics.||Duracell 389/390 Silver Oxide Button batteries are guaranteed for 3 years in storage, so you can be confident these batteries will be ready when you need them. From storm season to the holidays, Duracell is the #1 trusted battery brand.

There are regular specialty batteries, and then there are Energizer Specialty Batteries. So get the durable, reliable power that keeps going with this Energizer 389 Silver Oxide Button Cell Battery. It delivers long-lasting power to your button-battery-operated devices, from household electronics like keyless entry systems, to e-books, toys, calculators, and watches, to heart rate and glucose monitors. And these zero-mercury coin batteries can hold power for up to five years in storage. Choose Energizer Specialty Batteries for long-lasting power you can count on when you need it.

The iPhone Air MagSafe Battery was created exclusively for iPhone Air. Designed to slip into your pocket, it feels great in your hand and adds up to 65 percent additional charge to iPhone Air — extending battery life further than the battery life of any other iPhone. Attach the MagSafe Battery to your fully charged iPhone Air for all-day use. To maximize battery life, the combined system will choose the best times to recharge. Or when you need a quick boost, just snap it on for up to 12W of fast wireless charging on the go. For even faster charging of your iPhone Air, attach the MagSafe Battery and connect it to a 20W or higher power adapter at the same time.

The Quick-Release Battery Pack allows you to have backup power for select battery powered Ring Doorbells and Cameras. To charge your battery pack, simply connect it to a micro-USB cord and plug it into a power outlet. If the battery pack in compatible Ring Video Doorbell or Securtiy Cam runs out of power, you can remove your batteries by pressing the quick-release tab on the battery pack. Then, simply slide your second battery pack into your device, and you’re good to go.
| Pros for Duracell - 389/390 Silver Oxide Battery (D389/390B) | |||
|---|---|---|---|
| There were no pros for this product— | Battery Life, Price, Performance, Fit, Availability | Battery Life, Overall Performance, Portability | Battery Life, Overall Performance, Price, Ease of use, Charging Speed |
| Cons for Duracell - 389/390 Silver Oxide Battery (D389/390B) | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Motion Detection, Video Quality |
