Install

Power Management Module (PMM):  Enclosure containing the charge controller and power switcher.
Short battery harness:  Connects battery to multiple battery harness or other load cable.
Short 5-pin/3 battery:  Connects primary and rechargeable batteries to PMM.
Battery harness connects 2:  Connects 2 rechargeable batteries together.
Battery harness connects 10:  Connects 10 primary battery packs together.
Battery harness connects 8:  Connects 8 rechargeable batteries together.