Features Intelligent Clamping:By adjusting the screw knob, the maximum clamping range can be up to 85mm to meet your various needs. Great Material The transparent battery holder made of high quality acrylic material has excellent durability for long-term use. Practical applications: our battery holder is suitable for various batteries, e.g. Button batteries, AA, AAA, 18650, 26650, power batteries, etc. Stable Holding This 4 wire rack can hold a single battery to make testing and working easier, just plug and play. Easy to carry: comes with a compact size and light weight, the comfortable carrying makes it ideal for indoor and outdoor use. Specification: Item Type:Battery Holder Clip Material: acrylic. Clamping range: approx. 85 mm / 3.35 inches. Package list: 1 x battery holder clip. Note: Pay attention to electrical safety when using. Package List 1 x Battery Holder Clip