Note : 6.4V and 6.6V are compatible, they are in common use. 
                
                
                Adopting A-grade brand new battery cells with high quality and capacity, our replacement
                Dell 0D668J battery is characterized with adequate capacity, steady performance
                and longer standby & usage time; It is of non-memory effect, enables quick charge,
                has longer service life for repeated use and be 100% compatible with the original
                Dell batteries.
                
                With its excellent design, our 
batteries for Dell 0D668J laptop not only
                enables multi-protection for overcharge & over-discharge and over-current & short
                circuit, but at the same time balances charge and discharge of each internal battery
                cell, which is safe and durable.
                
                
                Having passed strict tests of FCC,CE,UL,ROHS and ISO9001/9002, and designed completely
                according to the original circuit and dimension, our battery can fit perfectly with
                your computer; the case of our replacement 
Dell 0D668J batteries are
                made from ABS+PC alloy material with resistance to high temperature and wear, which
                ensures an ever-new appearance. Our products are safe and reliable, please rest
                assured purchase.
                
                
                Please make sure the received merchandise is correctly used. If there is anything
                you have not understood or the battery cannot work normally, please write down and
                email your problem, your notebook model and our product model to 
service@delllaptopbattery.us 
                to consult our service staff. We will reply to your mail within 24 hours. Thanks
                for your supports!
                
                
                
             
            
                All the batteries sold by DellLaptopBattery.us are quality-guaranteed. Before your
                payment, please confirm the model of your computer or the part number of your old
                battery that compatible with, see clearly the description and make sure that the
                appearance of the product is the same with your battery, so as to avoid unnecessary
                trouble and loss.
                
                
                
                    Compatible Part Numbers
                - 0D668J
 - BAT 2S1P-2
 - BAT2S1P-2
 - D668J
 
                
                
                
                    Fit Models
                - PowerVault MD3200
 - PowerVault MD3200I
 - PowerVault MD3220
 - PowerVault MD3220I
 - PowerVault MD3260
 - PowerVault MD3260I
 - PowerVault MD3600F
 - PowerVault MD3600I
 - PowerVault MD3620F
 - PowerVault MD3620I
 - PowerVault MD3660F
 - PowerVault MD3660I
 - PowerVault MD3800F
 - PowerVault MD3800I
 - PowerVault MD3820F
 - PowerVault MD3820I