Good batteries for a NOAC portable?

[Metalcookie]

http://cgi.ebay.com/Li-Po-Lithium-Polym ... 439fd0f940

How would I go about charging these batteries if I wired them in series?

As for the portable, led modded Zenith screen, and a Yobo. Possibly A switching regulator instead of the 7805.

 

[J.D]

Protip - try not to buy Chinese batteries off eBay.