Description Product Description Our Website is your source of high-grade internal and external laptop batteries! This brand new replacement Li-Polymer Battery is made with high-grade cells from Samsung, LG and Panasonic to ensure maximum performance. The housing of this Battery pack is made of non flammable and very durable plastic, which is fire-retarded and nonperishable when dropped from low heights. We provide replacement laptop batteries for brands including Sony, Dell, Compaq, HP, Apple, Toshiba, and so many more.We are a distributor specializing in replacement laptop batteries. Through our direct relationships with the manufacturers overseas and logistics centers across the country, we can deliver high-grade replacement products to your door at the most affordable prices. Compatible Devices: Compatible Part Number: Additional Information: Dell Inspiron 14RD 4528T, Dell Latitude 15 3000(CAL004Lati35502540), Dell Inspiron 15 3542-2293, Dell INSPIRON Ins14RD-5528, Dell VOSTRO 15-3558D-1528R, Dell INSPIRON Ins14RD-4528T, Dell Ins15C-4528B, Dell INS15CD-1108B, Dell Vostro 15-3546D-1128B, Dell INSPIRON Ins14RD-4528, Dell Vostro 3449, Dell INS15CD-1328B G019Y, G35K4, MK1R0, MR90Y, N121Y, PVJ7J, T1G4M, TT5W, W6XNM, X29KD, XCMRD, XRDW2 Model: Dell Inspiron 3521 SKU: 10075 Product Condition: Replacement, Brand New Voltage: 11.1V Capacity: 65Wh Number of Cells: 6 cells Cell Type: Li-Polymer Color: Black Size: 271.78 x 50.8 x 27.32mm (L x W x H) Warranty: 3 Months Availability: In Stock, ETA 7-10 business days