I'm about to install my new Inteli-power unit under the curbside goucho which is where I have my battery relocated to ,along with my electrical box, and a marine battery charger. The charger which worked quite well , is getting removed. The instructions are very vague as far as clearance issues go when mounting the unit. I notice it has a cooling fan on it so I'm wondering about heat issues . I can add a vent to the compartment but is it necessary? Also, it came with the charge indicator pendant which seems to be optional -is that worth installing.