Replacement Battery for Dell Inspiron 1721

Hi

I am looking for a replacement battery for my Dell Inspiron 1721 (Tag #<Admin Note: removed per privacy policy~RK>)

Would the battery specified below work?

www.laptop-battery-shop.com/dell-fk890-nr239-111v-7200mah-batteries-p-2155.html

Otherwise, can you recommend a replacement battery?

Thanks,

Bob