![Transparent 3 AA Battery Charger Case USB Female Socket Export Clear Box Holder Output 4.5 Volt On Off Switch,Emergency Power Supply(Without Battery) - - Amazon.com Transparent 3 AA Battery Charger Case USB Female Socket Export Clear Box Holder Output 4.5 Volt On Off Switch,Emergency Power Supply(Without Battery) - - Amazon.com](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51SuLvJ+UhL.jpg)
Transparent 3 AA Battery Charger Case USB Female Socket Export Clear Box Holder Output 4.5 Volt On Off Switch,Emergency Power Supply(Without Battery) - - Amazon.com
![CQRobot MicroUSB Battery Holder (3xAA), Can Hold 3 AA Batteries. Compatible with Arduino Controllers with Micro USB Interface. CQRobot MicroUSB Battery Holder (3xAA), Can Hold 3 AA Batteries. Compatible with Arduino Controllers with Micro USB Interface.](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61JRvzdP5lL.jpg)
CQRobot MicroUSB Battery Holder (3xAA), Can Hold 3 AA Batteries. Compatible with Arduino Controllers with Micro USB Interface.
![3 x AA Battery Holder with 2.1mm Plug : ID 3842 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits 3 x AA Battery Holder with 2.1mm Plug : ID 3842 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/3842-01.jpg)