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SHENZHEN SINOLI ELECTRONIC CO., LTD.

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Test of SINOLI 48V14Ah Lithium Battery

Shenzhen Sinoli Electronic Co.,Ltd | Updated: Jan 20, 2019

Test of SINOLI 48V14Ah Lithium Battery


Step 1. At the end of charging, the voltage is 54.3629V. The no-load voltage of the charger is about 54.3V, which is 0.3V lower than the nominal 54.6. At this time, there is still 42.4mA input current. refer to picture below:

image

Step 2. Charging lasted 10 hours and 22 minutes, charging 14.12 Ah, 713.8 Wh power. refer to picture below:

image

Step 3. Choose 10 seconds to record data once, totaling 3472 points. refer to picture below:

image

Step 4: The charging efficiency of DZL4812SS01 is 713.8/780*100%=91.5%. The quasi-resonant controller has high efficiency.refer to picture below:

image

Step 6: Voltage and current curve, constant current stage current is very stable, constant voltage stage current exponent decline, very perfect curve

image


Test data summary:


  •     Voltage: average = 51.2621 V maximum = 54.3629 V minimum = 40.9073 V

  •     Current: Average = 1.4653 A maximum = 1.8489A minimum = 0.0037 A

  •     Capacity: 14.120 Ah 713.755 Wh

  •     Temperature: Average = 25.8 Maximum = 27.8 Minimum = 25.0.

  •     The battery is not bad. It's nominal 14Ah and actually charged 14.12Ah. It's not faulty.