SpecificationBattery Type: Li-ion;
Voltage: 11.4V;
Capacity: 3500mAh;
Packages includes: 1 battery, 4 Screwdrivers, 1 Instruction Manual.
Condition: 100% brand new from manufacturer. ^^ Replacement Battery Part NumbersWY9DX, RJ40G, M033W, 0WK3F1, 0M3KCN, 005R42, 01K2CF. ^^ Compatible ModelFit for Dell Latitude 5520 Series; Fit for Dell Latitude 5420 Series; Fit for Dell Precision 3560 Series. ^^ Security/QualityAll batteries are UL, CE, FCC, RoHS safety certification, built-in over charge, over discharge, over temperature, short circuit protection. The battery offers up to 1000 charge cycles and uses grade A battery cells to improve charging speed and battery performance, ensuring performance and durability. ^^ After-Sales SupportWe support 30 days refund, 12 months warranty (refund or replace battery), 24 x 7 mail support. return window will close one month after you receive the product and you can contact us by placing your order or by clicking " Ask a question" on the seller's page.