8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch : ID 875 : $5.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Adafruit Industries, Unique & fun DIY electronics and kits 8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch : ID 875 - Make a portable power brick with plenty of juice! Use Alkaline AA
Make a portable power brick with plenty of juice! Use Alkaline AA's for a 12V 3000-4000mAh power supply, or rechargeable NiMH for 2000mAh 9.6V supply. Either one is good for running electronics that have a 5V voltage regulator (thus requiring a 7V+ supply) or perhaps some motors or solenoids.Perfect for portable Arduinos, motors, solenoids, 12V LED strips, etc. An On/Off switch lets you control the power right at the source without unplugging. Batteries not included, may or may not include screws.

9V battery holder with switch & 5.5mm/2.1mm plug

Adafruit Industries ADA3951 2 x AA Battery Holder with Knife Switch

8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch : ID

4 x AA Battery Holder with 2.1mm Plug and On/Off Switch : ID 3788

8 Aa Battery Holder

8 Aa Battery Holder

8 Aa Battery Holder

Here's another addition to our growing family of AA battery holders. Behold! A holder for four (4) AA batteries! It's got a 5 long power cable with a 5.5/2.1mm DC jack at the end, an On/Off switch, and, oh yes, it's in classy Adafruit black. 4 x AA battery packs are best used with development boards with 2.1mm DC jacks and are happy with ~4.8V (4 x NiMH) to 6V (4 x Alkaline).

adafruit-4 x AA Battery Holder with 2.1mm Plug and On/Off Switch

Adafruit Industries ADA449 8 x AA Battery Holder

LampVPath (Pack of 2 8 AA Battery Holder, 12v AA

8 x AA battery holder with 5.5mm/2.1mm Plug and On/Off Switch : ID

2 x AA Battery Holder with Knife Switch : ID 3951 : $0.95

8 Cell Aa Battery Holder

9V battery holder with switch & 5.5mm/2.1mm plug