NEW Genuine 42WH 1V1XF Battery For Dell Precision 3540 3550 Latitude 5400 5500We Ship via USPS First Class or Priority Mail with Tracking Number for All USA Customers Descriptions&Features:Brand: NEWVoltage:11.4VCapacity:42WhBattery Type: Li-ionWarranty:1 Year Warranty:30 days Money Back Promised!30 Days Free Exchange With Paid Return Label!1 Year Anytime Worry-Free Warranty!100% Satisfaction Guaranteed! Replace with Part number:(press Ctrl + F to quickly find your notebook model) 1V1XF 01V1XF XV8CJ R8D7N 4GVMP 07VTMN 7VTMNCompatible with:(press Ctrl + F to quickly find your notebook model)For Dell Latitude 5400 5410 SeriesFor Dell Latitude 5500 5510 SeriesFor Dell Precision 3540 3550 SeriesFor Dell Inspiron 7590 2-in-1 SeriesNOT fit for Inspiron 7590 SeriesFor Dell Inspiron 7591 2-in-1 SeriesNOT fit for Inspiron 7591 SeriesFor Dell Inspiron 7791 2-in-1 SeriesNOT fit for Inspiron 7791 Series -FAQ:1.Q:why battery don't hold a charge, how to fix it? A:this is new battery,for first use, we suggest buyer: Remove the battery for a while Install battery and full charge it by ac adapter Leave charger and let the battery drain to shut off Repeat above charging and discharging at least 2 times. you charge the battery when power lower than 20%. If available, connect ac charger when doing computer work. If run the battery shut down often, it will shorten the battery life. 2.Q:battery can't charge fully,how to fix it? A: Remove the battery for a while Install battery and full charge it by ac adapter Leave charger and let the battery drain to shut off Repeat above charging and discharging at least 2 times. 3.Q:Battery can't be recognised by my laptop, do i need exchange a new one, A:we met this issue before, maybe beacuse of your laptop system, we suggest you can: Remove all battery drivers Remove battery Connect laptop using AC charger, double check no battery drivers installed Connect battery Drivers will install automatically Full charge the battery by ac adapter Leave charger and let the battery drain to shut off Repeat full charge and full discharge about 2 times. if still not be solved, please contact us and exchange a new one. 4:Q:Battery dies suddenly at about 20%, do i need to recalibrate? A:Kindly check the battery settngs and BIOS,do reset something, then: Remove the battery for a while Install battery and full charge it by ac adapter Leave charger and let the battery drain to shut off Repeat above charging and discharging at least 2 times Return & RefundFor your best shopping experience in our store and saving your time .Please Do Not click "Return this item" except that you just don't need it any more.Because no return request is our company's Service. Please click "Contact seller" via Message(protected by ),that is the fastest way to solve any problem for you.You will get the replacement or refund through the communication between us. Payment and Shipping1. We can accept payment via Paypal,Google pay,Visa Card etc.2. We ship out items to buyer?s from New Jersey via USPS. Please verify your shipping address carefully before checkout, since it can not be changed after order placed.3. Items are shipped directly from our US warehouse normally within 24 hours after payments are received. Orders placed on weekend will be shipped within 2 days. About UsWe are committed to your satisfaction after your purchase. If you are not satisfied with your purchase in any way please give us an opportunity to try and make it right before leaving response.Please contact us via message if you have any problem and please allow us 1 working day to reply, we will do our best to help you solve it. Contact usAll emails and messages will be answered within 1 business day. We apologize for the late reply during the holidays.Please ONLY use message center to contact us, so we could NEVER miss your email.Terms of salesWe offer a 30 day money back guarantee, return shipping is responsibility of the buyer unless the return is a result of our mistake (i.e., your receive the wrong or defective item). Never ship back without our RMA#(same as the order #),it will speed up the return process. Please contact us before ship back.