1S-8S 3.7V Lithium Battery Capacity Indicator Module Display Green General Electric Vehicle Battery Power Tester Li-Ion

From the shop's description

1S-8S 3.7V Lithium Battery Capacity Indicator Module Display Green General Electric Vehicle Battery Power Tester Li-Ion Battery Level Indicator Module 1S-8S (Green General) 1-Working voltage: 3-34V, working current 5mA. 2-Working temperature: -20~50 °C 3-The voltage error is 2% (requires higher accuracy, do not shoot) 4-Size: 43.5 * 20cm Warm sound tips: This model is not waterproof. If it is used outdoors, please waterproof it, because the electronic components should be used in a dry environment. Lithium-ion battery The battery indicator board that can be used in Ni-MH batteries, as long as the required voltage is within the range of the parameter list. How to use: Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test. The digital tube displays the real-time battery power. 1. Battery-type power display, select the corresponding pad on the tin, you can detect the battery voltage corresponding to 1S-8S, very convenient. Note : 1S pad is already solder