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Use screw holes and self tapping screws to mount the fan in place to the bottom side of the Batt box cover.

Using a 12 volt computer fan, and a Vetus vent, bore a hole thru the center of the cover.

Purple covers protect SLAVE boards on cells. Each cell pack has 4 LiFe PO cells with a dedicated slave board to monitor voltage and temperature, and perform cell voltage balancing.

Blue Seas Batt Box houses two (2) 100AH LiFePO4 Cell packs, for a total of 200 AH capacity (they are wired in parallel). Slave Boards connect via data bus to BMS CPU module.

Modify a Vetus vent by cutting out the inside section, to promote air flow thru the fan.