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Amazon.com: Vinpera BP02XL Laptop Battery for HP Pavilion PC 15 Series 15-AU010WM 15-AU123CL 15-AW002LA 15-aw004 15-AW053NR fit BP02041XL 849569-421 849909-850 849909-855 HSTNN-LB7H -[Three Months Refund] : Electronics
Why did my laptop's battery capacity drop suddenly? Even the BIOS shows a warning about low capacity. - Quora
SOLVED: Battery percentage suddenly drops from ~60% to 7% - MacBook Pro 13" Retina Display Late 2012 - iFixit
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