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DELL 3581 LA-G714P CHARGER WAVEFORM ABOVE 90% CHARGING

T

Test Admin (10 Apr 2025)

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                                 LA-G714P

 

                                 WHILE CHARGING DSO WF AT SW SIDE,USE DSO PROBE 10X

 

 

ABOVE 90% OF BATTERY CHARGING PHASE COIL SHOW RINGING IN THE WAVE FORM BECAUSE OF THE CHARGING CURRENT BEING LOW.

 

WF SHOWN ABOVE

 

 MAINBOARD LA-G714P OBSERVATION WHILE CHARGING

 

12.33V VOLTAGE SHOWN AT BATTERY POSITIVE TERMINAL WHEN  above 90℅ OF BATTERY CHARGED

 

BATFET : Gate 10.19V WHILE CHARGING

 

ONLY BATTERY MODE WHEN ADP UNPLUGGED : 11.40V   (WHILE CHARGER DISCONNECTED)

 

ANOTHER CASE IN WHICH BATTERY LIFE EXHAUSTED

POOR BATTERY HEALTH
LESS CHARGING CURRENT WAVEFORM

 

 

FOR MORE CHARGING RELATED CASES SEARCH the WEBSITE  .............EasyMB.in

 

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