Features 1、Stable Holding: This 4 wire rack can hold single battery to better facilitate the testing and working, just plug and play. 2、Smart Clamping: Adjusting through the screw knob, the maximum clamping range can get to 85mm, meeting your various needs. 3、Practical Uses: Applicable to various batteries, such as button battery, AA, AAA, 18650, 26650, power battery and so on. 4、Great Material: Made from premium acrylic material, the transparent battery holder has great durability for long term uses. 5、Easy Carrying: Comes with a compact size and a light weight, the convenient carrying makes it ideal for indoor and outdoor. Specification Item Type: Battery Holder Clip Material: Acrylic Clamping Range: Approx. 85mm / 3.35in Package List 1 x Battery Holder Clip