HPI Blitz battery question.?

okay so I am buying an HPi blitz in the next few weeks. it has a brushed motor, and everything will be kept stock. So, now I need to think about what battery and charger to get. i was thinking about a 6 cell 5000mah battery. so, can somebody find me a 6 cell 5000mah NiMH battery AND charger compatible with the hpi blitz? much thanks!