Today only: Up to 40% off on the Vello Battery Grip for Panasonic Lumix GH4-GH5-GH5S

Today only you save up to 40% off on the Vello Battery Grips for Panasonic Lumix:
GH3 and GH4 grip at BHphoto.
GH5 and GH5s grip at BHphoto.

Also today only: Save up to 37% on RAVPower Power Banks & Chargers at Amazon US.