Reply To: Dell Inspiron 7570 Laptop Battery I have an Dell Inspiron 7570 Laptop Battery that keeps the laptop on powered for 10 minutes nowadays. The battery is 42 wh – 11.4v – 3500mAh WDXOR Dell and…

[SH]

{(Full Charge Capacity / Design Capacity) x 100} -100 = wear level of battery
= {(1,140 / 41,998) x 100} – 100
= {0.0271 x 100} – 100
= 2.71 – 100
= -97.29

so here battery used it’s 97% of it’s Capacity out of 100% … soo  it’s new battery time

 

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