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Amazon.com: Camco Double Battery Box | Safely Stores RV, Automotive, and Marine Batteries | Features a Heavy-Duty Corrosion-Resilient Polymer Construction and Measures Inside 21-1/2" x 7-3/8" x 11-3/16" (55375) : Automotive
![3 x AAA Battery Holder with On/Off Switch, JST, and Belt Clip : ID 3286 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits 3 x AAA Battery Holder with On/Off Switch, JST, and Belt Clip : ID 3286 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-blog.adafruit.com/uploads/2016/12/3286_iso_back_ORIG.jpg)
3 x AAA Battery Holder with On/Off Switch, JST, and Belt Clip : ID 3286 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![2 x AA Battery Holder with On/Off Switch & JST PH Connector : ID 4193 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits 2 x AA Battery Holder with On/Off Switch & JST PH Connector : ID 4193 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4193-01.jpg)