My local hobby shops been selling Giant power lipos.6500mah,2s,65c for $60.00.He can't keep them in stock.All the guys at the track who ran Nanotec,Gen ACE,rhino,sky,Team HWI even the Nano A-specs batteries ,have switched to these Giant Power lipos.One racer who ran all Thunder Power says is easily compares to TP 65c for less money.