The TBS Graphene packs are here! You get power when you need it, without regret. It takes a lot of abuse and doesn't set you back much from the start. The high discharge rate will provide a stable voltage despite high Amp draws, without sacrificing the lifespan of the battery. Give them a try!
Voltage: 14.8V (4S)
Plugs: XT-60 / JST-XH