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Ok, so new here and I am seeking some advice on electrical power. My company has purchased a Promaster 3500 and has put me in charge of the load out. Our needs are going to need some minor electrical access in the cargo area as the van will require us to camp out in certain demo areas. Probably about 20 times per year. It's a black, wrapped van and we are looking at having a ventilation fan installed to help with some hot summer nights we will encounter. In addition to that, we will be installing a 1000w inverter to power ipads, phones, periodic use of a 1 gallon .6HP air compressor.
I've done some reading, but am in search of some specific advice from you fine people. Here's where I'm at:
Most van owners I've talked to stated that an auxiliary battery should be installed to run the fan. Now, if I do that, should I also purchase a battery charger for the auxiliary battery? If I do so, should I run the inverter off of the aux battery or main battery? Or could I sort of daisy chain the whole works like- run the charger off of the main battery to the aux battery, and then run the inverter off of the aux battery. My thoughts are that I could have the charger automatically charge the aux battery when needed, and just use the aux battery for all my non-engine power needs.
Do chargers have an automatic shut off so I could theoretically charge the aux battery when the engine is on? Or am I totally lost?
I've done some reading, but am in search of some specific advice from you fine people. Here's where I'm at:
Most van owners I've talked to stated that an auxiliary battery should be installed to run the fan. Now, if I do that, should I also purchase a battery charger for the auxiliary battery? If I do so, should I run the inverter off of the aux battery or main battery? Or could I sort of daisy chain the whole works like- run the charger off of the main battery to the aux battery, and then run the inverter off of the aux battery. My thoughts are that I could have the charger automatically charge the aux battery when needed, and just use the aux battery for all my non-engine power needs.
Do chargers have an automatic shut off so I could theoretically charge the aux battery when the engine is on? Or am I totally lost?