Inline Battery Monitor (11.5v)
Inline Battery Monitor (11.5v)
Inline Battery Monitor (11.5v)
Inline Battery Monitor (11.5v)

Inline Battery Monitor (11.5v)

Engel CoolersSKU: BMIL
Price:
$59.98

This device it designed to prevent a battery from being fully discharged. 

This item only works with the Engel DC cord - Plug (cigarette lighter adapter, not hard wire)