If he,s just starting off he may as well buy from this guy. The batteries are good and you can either buy stick packs or single cells to make up for him. Cheap enough to start with, till he can save for lipo,s
http://stores.shop.ebay.co.uk/compon...34Q2ec0Q2em322
this for a cheap lipo is not bad
http://cgi.ebay.co.uk/Intellect-7-4V...item35a6f72198