For sale two untested  batteries says it will fit the following 

Dell Studio XPS 16 XPS 1647 XPS 1640 XPS 1645 XPS M1640
 
One missing rubber feet both again untested for fillers or  repair 
 
I have no way to test as I don't have a Studio XPS M1600 series or XPS Studio 1645  to test with
 
Sold AS IS No Returns 
 
Pictures of item for sale & what you will receive.
 
all ready packed up and ready to ship
 
My Shipping Prices Are What I Pay Plus Packing Materials
 
PayPal only payment is due after sale only PayPal Confirmed Address
 
No returns all sales are final and ship to US only
 
Once payment is received I try to ship items in 1 Business day usually same or next day depending on if it is the weekend.
 
Ask if unsure about something before buying 
 
I Always Use 1-3 Day Shipping For Fast Delivery
 
Thank you