The pin inside the original laptop adapter connector has broken off. Without them, Dell reduces the charge to avoid damaging the battery. It also slows down the performance of the laptop. FWIW, I also bought a WDX0R laptop battery (https://www.amazon.com/gp/product/B07T54BMPS/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1). Assembly was easy with the included screwdriver. There are no complaints about the laptop's battery. To know soon how good the battery performance is.
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