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12V Lead-acid Battery Capacity Indicator Power Measurement Instrument Tester With LED Display For Arduino

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                  Specifications:
                   
                  Work Current:5-15mA (with backlight)
                  Work Voltage:6-12V
                  Energy Resolution:1%
                  Voltmeter Accuracy :1%
                  Using Temperature Range: -20- 70degrees
                  Operating humidity:10-80%(non-condensing)
                  Black wire connect negative electrode
                  Red wire connect positive
                  External dimension:48×29×21 mm
                  Hole Dimensions :45.5×26.5 mm
                   
                  How to Use:
                   
                  1. Pull the white button on the backside for about 3s until it shows “1-U” and release it. Pull it again for 1s it shows “2-b” and release it. Pull it again for another 1s it shows “3-c” and release it. Pull it again for another 1s it shows “4-d”.
                  2. When it shows “1-U”, pull the white button for 3s then you can adjust the voltage admeasuring apparatus. Pull it for a longer time, the voltage goes up. Then pull it for another longer time, the voltage goes down. Do it again and again. To save and exit Automatically after the screen is twinkling.
                  3. When it shows “2-b”, you can change the type of battery.
                  12V: 1pc 12V Lead-acid battery
                  3.7V: 1pc 3.7V Lithium polymer battery
                  3.2V: 1pc 3.2V Lithium iron phosphate battery
                  1.2V: 1pc 1.2V NiMH battery
                  4.When it shows “3-c”, you can adjust the number of batteries
                  Please refer to the following:
                  12V Lead-acid battery: 1-8pcs
                  3.7V Lithium polymer battery: 2-28pcs
                  3.2V Lithium iron phosphate battery: 3-32pcs
                  1.2V NiMH battery: 10-70pcs
                  5. When it shows “4-d”, you can adjust the display mode. “V” is voltage mode. “%” is percentage mode. “V %” is voltage& percentage cycle mode.
                   
                  Capacity Display Parameters:
                   
                  Battery voltage > 11.2V, 1 grid
                  Battery voltage > 12V, 2 grid lights
                  Battery voltage > 12.5V, 3 grid lights
                  Battery voltage > 13.3V, 4 grid lights
                  When the battery voltage is < 11.2V, all four grids are turned off, which means you need to charge the battery right away.
                   
                  Package Included:
                   
                  1 x 12V Digital Battery Capacity Tester
                   


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