Specifications  Material: Li-ion Capacity: 42Wh Voltage: 11.4V Compatible For WY9DX 01K2CF 075X16 0WK3F1 0M3KCN 005R42.  Compatible Models For Dell Latitude 14 5420 CHKFM FDTCY XPC5H series For Dell Latitude 15 5520 39V1H FPKNM series; For Dell Precision 15 3560 3H45Y 4MTF7 758J7 7RV10 F3T9T series. Package including 1 x Laptop Battery 1x Box About Return  30 days money return guarantee, 60 days Warranty Buyers pay shipping fees at their own cost to return products for exchange or refund. Shipping & handling charges are generally not refundable unless the product is defective or due to seller’s responsibility. For all returned products, Please contact us for the returning address. Return items MUST have all ORIGINAL packaging and accessories. Contact us  All emails and messages will be answered within 1 business day. We apologize for the late reply during the holidays. Please ONLY use eBay message center to contact us, so we could NEVER miss your email. Please do not open Negative/Neutral feedback before contacting us,please do not worry,we will take care of you and do our best. For further business cooperation, please contact us