Battery (14500 size for 3/4 hoops) - Single, HyperionHoop.com
Hyperion G7 3S 1800mAh SI-GRAPHENE HVLI 90C MAX (4.35V per cell) Battery - Hyperion G7 Graphene HV Batteries - Got Heli RC LLC
BMZ high-voltage system Hyperion
LG G4 Extended Battery. Hyperion 6000mAh Extended Battery and Back Cover for The LG G4 (Model Numbers: H815, H810, H811, LS991, US986, US991) 2 Yr NO Hassle Warranty - White | Amazon