ZB2L3 Battery Capacity Tester 1.2-12V 18650 Li-ion Lithium Lead-acid Battery Capacity Meter Discharg

ZB2L3 Battery Capacity Tester 1.2-12V 18650 Li-ion Lithium Lead-acid Battery Capacity Meter Discharge Tester Analyzer

1. Module parameters:

- Power supply voltage: DC4.5-6V (micro USB interface)

- Working current: no more than 70mA

- Discharge voltage: 1.00V-15.00V Resolution 0.01V

- End voltage range: 0.5-11.0V

- Support through current: no more than 3.000A resolution 0.001A

- Voltage measurement error: less than 1% + 0.02V

- Current measurement error: less than 1.2% +-0.002A

- Battery capacity range: 9999Ah (1Ah = 1000mAh) 2.

2. When the value is large, it is switched by decimal point shift. When it is less than 10Ah, it will be displayed as X.XXX, when it reaches more than 10Ah, it will be displayed as XX.XX, and so on.

3. Circuit board size: 50mmX37mm

4. Finished product size: 50mmX37mmX17mm (Length X Width X Height, including copper foot height)

5. Weight of board and accessories: single board 28g (including copper pillar), two 5W ceramic resistors 9g, 50W resistor about 27g (including wire)

6. Note: In order to improve the voltage measurement accuracy, this circuit is specially designed with DC bias. When the terminal is connected nothing, a small voltage will be displayed, which does not affect the actual measurement. 0V) will display 0. If you want to understand the principle, you can check the superposition theorem in electrical engineering.

7. How to use:

- The battery under test should be fully charged first.

- Connect the positive pole of the battery under test to the input positive pole, and the negative pole to the negative pole of the input. Connect the load to the output positive pole and the output negative pole, and connect the tester micro USB with working power (not available for desktop or notebook USB power supply). The battery voltage is displayed at this time.

- To start the test directly, just press the "OK" button, the tester can automatically formulate a suitable termination voltage according to the full charge voltage of the battery, and will flash the display 3 times to start the test. Need to manu

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