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? >> >> >>
