Dell 312-0724, 312-0725, 312-0859, 312-0922, 451-10586, 451-10587,  4400 mAh Black , Dell computer Laptop batteries Notebook battery packs for Dell These are Compatible replacement batteries to replace 312-0724, 312-0725, 312-0859, 312-0922, 451-10586, 451-10587, 451-10655, N950C, N956C, N958C, T114C, T116C, U661H, 451-10610, 451-10620, T112C Hi quality power packs to fit ( among others) Dell Vostro 1310, Vostro 1510, Vostro 2510 These quality battery packs are produced by our ISO 9001 approved supplier. We do our best to keep our data as accurate as possible but it should only be used as a guide and you should make your own enquiries as to whether these are the correct batteries for your application. These Dell batteries have a capacity of 4400 mAh, as you would expect from a brand leader they are manufactured to a very high standard. As we supply a very large range of batteries we cannot always have stocks of the slower moving lines as batteries have a shelf life and we insist on quality control for our customers, which may mean slightly delayed shipment date, where this is necessary you will be advised by email. Chemistry of battery: Li-ion Voltage of battery: 11.1V Capacity of battery: 4400 Colour: Black