BTI Battery Tech - BTI 01AV494-BTI 11.52V 57WHR LI-ION BATTERY - For Notebook - Battery Rechargeable - Proprietary Battery Size - 4950 mAh

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.

Duracell Coppertop all-purpose alkaline batteries are not only dependable, they are also long-lasting. You can take comfort in a ten year guarantee (five year guarantee for 9V) in storage. They are great for many of the devices you use on a daily basis. And from storm season to medical needs to the holidays, Duracell is the number one battery you can trust.

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.