The PRO Battery, MODULE (QUAD) harnesses the energy from 4x REDVolt or 2x
REDVolt XL batteries (not included) to power the EPIC and SCARLET cameras. With
the ability to hot-swap batteries on the fly, the PRO Battery, MODULE (QUAD) can
continuously power your camera without missing a shot. For additional
configuration options, 1/4-20 mounting points are located at the top of the PRO
Battery, MODULE (QUAD). A MODULE ADAPTOR or +1 ADAPTOR MODULE is required for
mounting.