I got a PSP for my long flights (25 hours total) and looking for a way to re-charge without using AC adopter. I won't be taking my laptop so I am looking for some sort of external charge. Any suggestions or review on any of the products below? I don't want to spend more than 25 dollars.
Emergency Battery Charger iRecharge Cellbooster DATEXX 2200MA Compatible Sony PSP External Battery Pack
[ame="http://www.amazon.com/gp/product/B000BD31UC/ref=cm_cr_pr_product_top"]PSP Core Gamer External Battery[/ame]-what is CORE gamer anyway?