PSP 3000 extended battery

[breakingcustoms]

Does anyone know where I can find an extended battery for a PSP-3000? Best Buy sells them for an outrageous $45...i just cant see myself spending that much on a battery.

 

[aTaRiFrEaK223]

http://www.newegg.com/Product/Produ...-+Accessories-_-Sony+-+PlayStation-_-79261259

$22.99 plus shipping.