I owned a small car stereo business in my youth, building systems in excess of 1000watts. I would opt for a higher output alternator as Chuck suggests over a second battery.
On Jul 11, 2017 9:33 PM, "Jaime Solorza" <[email protected]> wrote: > Good inverters have DC low voltage alarms when they hit 10 volts DC. > > Jaime Solorza > > On Jul 11, 2017 8:06 PM, "Adam Moffett" <[email protected]> wrote: > >> Actually this would have been closer to 700 Watts....I forgot my laptop >> was plugged in too! >> >> ------ Original Message ------ >> From: "Adam Moffett" <[email protected]> >> To: "Animal Farm" <[email protected]> >> Sent: 7/11/2017 10:05:20 PM >> Subject: Re: [AFMUG] OT: Road Trip Battery >> >> My '04 Hyundai Accent has a 90 amp alternator. ....though I never did >> figure out how many RPM's they assume when giving you that rating. I read >> some conflicting facts on that. >> >> Anyway, I have 1000 watt inverter and I've had approx 600 watts on it >> while idling for several hours. I can't prove whether the alternator kept >> up or the battery was slowly draining. >> >> >> >> ------ Original Message ------ >> From: [email protected] >> To: "Animal Farm" <[email protected]> >> Sent: 7/11/2017 8:49:23 PM >> Subject: Re: [AFMUG] OT: Road Trip Battery >> >> If you install the isolation diodes, then yes. But that only prevents a >> dead starter battery. If you have 3-4 devices all using 50 watts, and you >> have a 50 amp alternator, you only have 600 watts total. The air >> conditioner blower is going to take probably 200 watts, the onboard >> electronics perhaps 100 watts. So maybe 300 excess. I wouldn’t count on >> even that much. I have seen aux connectors fused at 15 amps so that is 180 >> watts. >> >> My dell has a 90 watt power supply. So two of those running non stop? >> >> *From:* Jaime Solorza >> *Sent:* Tuesday, July 11, 2017 6:32 PM >> *To:* Animal Farm >> *Subject:* Re: [AFMUG] OT: Road Trip Battery >> >> Not at all...Pep Boys and others sell a simple to install dual battery >> inverter and heavy duty fuse system. A good quality inverter would work >> well and no big thing to install. I use this for wiring up inverters for >> vans and buses to a solenoid to start inverter when vehicle is started. >> Prevents draining battery.. >> >> Jaime Solorza >> >> On Jul 11, 2017 6:14 PM, "Sterling Jacobson" <[email protected]> >> wrote: >> >>> I've got a cross country family trip from Utah to New York coming up and >>> I want to wire up a secondary battery to my Toyota Minivan. >>> >>> I know, maybe I'm crazy, but I want to be able to run all our >>> electronics on the trip, including maybe a computer for serving up video >>> (another topic). >>> >>> I want it on a secondary system so I get more power and don't kill the >>> main car battery. >>> >>> From what I gather I would need a sealed battery to avoid fumes (mostly). >>> I would need a some sort of control system so the battery can charge >>> from the alternator, but not drain the main battery. >>> I need high gage wire between the batteries/alternater along with fuse, >>> and also between secondary battery and large inverter for AC power. >>> >>> Probably not possible to shove another battery under the hood of the >>> mini-van, but I haven't checked. >>> >>> Is this a silly idea? >>> >>> >>>
