HW-586 Battery Capacity Tester for Battery 18650 Lithium Model ZB2L3


Discharge type 1.2-12V

150.00 EGP 150.0 EGP 150.00 EGP 200.00 EGP

150.00 EGP 200.00 EGP

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Internal Reference: KIT.BATTERY.CAPACITY.M586

HW-586 battery capacity tester discharge type 1.2-12V is an external load capacity of the battery and 18650 test tool, in a single-function, by controlling the load off and get real-time integrated discharge current capacity results. Maximum support 15V 3A discharged through the discharge voltage and current, itself does not discharge Automatically identify and develop appropriate battery termination voltage can also be manually adjusted 


  • Power supply voltage: DC4.5-6V (micro USB connector)
  • Operating Current: less than 70mA
  • Discharge voltage: 1.00V-15.00V 0.01V resolution
  • Termination voltage range: 0.5-11.0V
  • Supported by current: 3.000A 0.001A resolution
  • Maximum voltage measurement error: 1% + 0.02V
  • Maximum current measurement error: 1.5% + - 0.008A
  • Maximum battery capacity range: 9999Ah (1Ah = 1000mAh) greater value by shifting the decimal point to switch, when the display is less than 10Ah X.XXX, as shown above, to achieve 10Ah XX.XX, and so on.
  • Board size: 50mmX37mm
  • Finished Size: 50mmX37mmX17mm (length X width X height maximum position size, contains copper spacers height)


  1. The first test should be fully charged battery.
  2. Connect the battery to be tested positive to positive input, a negative input to the negative, can not be reversed (with load reversal may damage the circuit)! Load connected to the output of the positive and negative output, to work through the tester micro USB power supply , then the battery voltage.
  3. Direct start test need only one press of the "OK" button, the tester can automatically develop an appropriate termination voltage of the battery full charge voltage, and will start flashing after the test three times. Need to develop artificial termination voltage only when the battery voltage display state by pressing "+" or "-" buttons to modify the termination voltage display beginning with P, behind the representative voltage resolution 0.1V, set up after pressing the "OK "start testing.
  4. After the start of the test the tester will control the load of the electronic switch is turned on, the test data shows that the process will release capacity (Ah), current discharge current (A) and battery voltage (V) between the wheel was. When the battery voltage reaches the set cut-off voltage, load control switches off the tester display data stays in capacity (Ah) and above and the corresponding indicator flashes quickly together, now displays the actual capacity of the battery is discharging capacity, about the press "OK" to terminate flashing allows stable data display, press again "OK" button to return to the power-on state can just replace the battery test the next section ......

Error codes and their meanings:

  • Err1: battery voltage is above 15V
  • Err2: battery voltage is lower than the termination voltage
  • Err3: battery can not afford to load or discharge current line too much resistance
  • Err4: over current (current exceeds 3.1A)

Note: Use the resistance of the discharge process, resistive load will seriously heat, please pay attention to safety! This circuit voltage in order to improve the measurement accuracy, specially designed DC bias, when the terminal displays nothing then a small voltage does not affect the actual measurement, if you are shorting the input terminals (absolute 0V) will show 0 

Package Included:

  • 1Pc x battery capacity tester
  • 2Pc x Load resistors