Features: 1. BATTERY1, BAT1+/BAT1-, SW1, LED1 correspond to 1 group, totaling 8 groups; Among them, BAT1+(red terminal) For the positive output of the battery, BAT1- (black terminal) for the negative output of the battery 2. Battery insertion: Place the positive electrode of the button type battery to be tested upwards and the negative electrode downwards in a circular area, labeled BATTERY1-8, and Confirm that the battery is centered and in close contact with the upper and lower electrode plates. The BC-8 eight channel buckle battery test holder is suitable for performance testing of buckle batteries with a diameter of less than 25MM, and can also test 1-8 buckle batteries. It is convenient to install button type batteries within the specification range into the clamp holder, and use the non self-locking button to detect whether the battery polarity is correctly connected and determine whether the battery is . Finally, the performance of the battery is tested by connecting to the battery analyzer. Check if the battery is installed correctly: the corresponding switch (SW), and the corresponding LED light up, indicating that the battery has been installed correctly; If the corresponding LED light is not on, check if the battery polarity is installed correctly or determine if the battery is . Color: Black Material: plastic Package Contents: 1 x Battery Analyzer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.