FIT0539

    3 x 18650 Battery Holder with DC2.1 Power Jack   SKU:FIT0539  INTRODUCTION The 18650 lithium battery is a commonly used lithium battery in electronic products. It is often used in batteries of laptop computers and power banks. 18650, which refers to a battery with a diameter of 18mm and a length of 65mm. This 3 x 18650 battery holder has inner connection in series, DC 2.1 power jack, standard 11.1V output. You can connect Arduino directly. FEATURES  ABS shell  The spring plate is nickel plated with stainless steel.  The material structure is firm and durable. SPECIFICATION        RoHs Certification Battery Model: 18650 Cell number: 3 Output Voltage: 11.1 V Plug form: DC 2.1 (outer diameter 5.5, inner diameter 2.1) Size: 78.24mm x 59.46mm x 21.41mm/ 3.08 x 2.34 x 0.84 inches Weight: 30 g SHIPPING LIST 3 x 18650 Battery Holder with DC2.1 Power Jack x1                                                https://www.dfrobot.com/product‐1694.html