EcoFlow River Extra Battery If the camera's MI shoe

If the camera's MI shoe is also equipped with a digital interface

Dual canvas top hand straps are held together by comfortable leather wrap

Integrated USB Hub

which is further benefitted by full-time manual focus operation and an internal focusing design

EcoFlow River Extra Battery If the camera's MI shoeEcoFlow River Extra Battery DOUBLE CAPACITY FROM 288Wh TO 576Wh The EcoFlow RIVER Extra Battery is designed to integrate with EcoFlow RIVER to increase the energy capacity of the unit. You can easily double the capacity of the EcoFlow RIVER from 288Wh to 576Wh by attaching the EcoFlow RIVER Extra Battery to the main model. The EcoFlow RIVER Extra Battery CANNOT be used alone. You will need to install the module on EcoFlow RIVER to use. EcoFlow RIVER +