Reddit mentions of KONDOR BLUE 14" BMPCC4K/6K to DC Male 5.5/2.5 Power Adapter. Moza Air Tilta Gimbal Juicebox Cable. Weipu Blackmagic Pocket 4K/6K

u/jlcr - Here is a picture of my grip/battery/SSD solution for the BMPCC 4K. No cage - and it gives you a way to hold the camera [Referral Links]:

• The shoe on top of the camera is a $6.99 SmallRig 1241 cold shoe adapter
  
• The SSD is a 500GB Samsung T5
  
• The SSD mount is a $6.59 SmallRig 761 cold shoe swivel mount plus a $7.40 tripod adapter for small smartphones
  
• The grip is a $13.99 Photography & Cinema Pistol Grip
  
• Power comes from a $19.99 SmallRig 1765 NP-F Battery Plate attached to the pistol grip with a $5.99 SmallRig 828 1/4"-20 double male screw and plugged into the camera with a $24.99 Kondor Blue 5.5mmx2.5mm to Weipu power adapter cable
  
• You can get two 2600mah NP-F batteries with a dual charger for $26.99
  
  You might want to subscribe over at r/bmpcc and r/blackmagicdesign- lots of knowledgeable folks there who can help you get the most out of your new camera.