I need to buy Dell 1691P battery

Question:I need to buy a Dell 1691P battery . Where can I find this?would you help me ? Aswer:You must spend your money for the best brand. As I know sony battery and Dell battery are the best in laptops for a long time and they are very reliable too. I trusted HP and I bought a Dell laptop 2 years before, and still like the day I bought it. Didn't even have to service it at least once up to now. I commend you to buy a Dell (with experience) or sony laptop battery. Dell:Dell Latitude D420 battery , Dell Inspiron 7000 battery , Dell Inspiron 2500 battery , Dell Inspiron E1405 battery , Dell Inspiron 5000 battery , Dell XPS M140 battery , Dell Inspiron E1705 battery , Dell Inspiron 7100 battery Sony:sony PCGA-BPZ52 battery , sony VGP-BPL2 battery , sony VGP-BPS2 battery , sony VGP-BPS3 battery , sony PCGA-BP71 battery , sony VGP-BPS1 battery , sony VGP-BPL5A battery.On http://www.new-laptop-battery.com/ you can even customize your laptop battery. And also you can check the price.