?This box holder is easy installation and taking， perfectly designed for 18650 battery with 3 series items.<br> <br> Feature:<br> Perfect box holder for 18650 battery.<br> Easy to form your own power supply system.<br> DIY power supply with 3≠18650 series batteries.<br> Easy installation and taking.<br> High quality and durable in performance.<br> <br> Specifications:<br> Battery type: 18650<br> Connection: Series<br> Color: Black<br> Item Size: 7.5 * 6 * 1.7cm<br> Item weight: 22g<br> <br> Package information:<br> Package Size: 8.5 * 7.5 * 6 cm / 3.35 * 2.96 * 2.36in<br> Package Weight: 110g / 3.88oz<br> <br> Package list:<br> 5 * 3≠18650 series battery holder<br>  <br>  <br>  <br>  <br>  <br>  <br>