250 quid for a P3 battery? This guy is having a laugh. I hope he doesn't sell it.
http://www.ebay.co.uk/itm/DJI-Phant...685?pt=LH_DefaultDomain_3&hash=item463c8eb345
http://www.ebay.co.uk/itm/DJI-Phant...685?pt=LH_DefaultDomain_3&hash=item463c8eb345