(such as the probable need/desire to upgrade to pure sine wave and bigger batteries in the future, and the usual choice to camp at sites that offered power).ġ2 years later (this summer) i added solar. I knew and accepted the trade-offs of my cheap choices. My one "defining load" was a 700 watt microwave for ten minutes per day. See below about K-9's SurePower relay.įor my own build-it-cheap-and-quick "system" i went for a PWM/MSW inverter (1000 watts for $100 back in 2006) and a separate shore-powered charger ($100 for a Sears Platinum, the mate for my Sears Platinum AGM battery). Stingers are also well-known, but i certainly agree with his comment on internal materials choice. Side notes: like Calbiker, i consider Cole Hersee to be one of the better brands (well, it's one of the "old standards"). It probably won't hurt the coffee maker, but a microwave might see issues (or might damage the TrippLite)
LOTS of harmonics causing other devices (like laptop power adapters) to have to swallow them, or make bad guesses about how much power to send along to the laptop. instead of a clean "pure sine wave", it's chopped with square edges on 140 volts pulses. MANY devices will NOT appreciate that "120 vac" A PWM (Pulse Width Modulated) Wave inverter produces a multi-step AC output that approximates a sinusoidal AC output with a higher level of distortion." A pure sine wave inverter produces a smooth, sinusoidal AC output with a low level of distortion for better performance. Visit our Inverters product category and filter for Pure Sine Wave Output. "Q: Can you explain the difference between Pure Sine Wave and PWM (Pulse Width Modulated) Wave Inverters and do you offer Pure Sine Wave Inverters?Ī: Yes, we offer Pure Sine Wave Inverters. Ps: what is this Graphite Dave system you refer to?Īre you planning to run semi-sensitive electronics from that TrippLite?ĭigging through their (too coy) description, we see in their FAQ section: I can tell it will be as good as the forum I’ve belonged to forever for my synthesizer (I’m a musician………well, no wonder he doesn’t get this stuff). Thanks to all here for the knowledge and patience. Is there any problem starting the van while hooked up to shore power, or does the isolator protect from any issues? (sorry if that is a stupid question that only indicates my lack of understanding, but if the shoe fits….) (on the other hand, this van I bought is a ‘Mercedes’).ĥ.Ĝould you explain what the “Cole Hersee 24213 does? I see it’s a continuous solenoid, so I guess it opens and closes the circuit in order to turn the power flow off and on from the alternator? How does it do that? Does it sense when the alternator is running and putting out a charge?Ħ.Ěs the Stinger SGP32 isolator and the Cole Hersee solenoid are about the same price, what’s the benefit of one over the other, if I'm not planning to top off my starter battery?ħ.Ěssuming I still go with Rollerbearing’s wiring diagram:
So I just want my alternator to top off/charge my house batteries when driving.Ĥ.Ĝalbiker, my wife agrees and thanks you for your comment: “The guy's looking for a VW Bug and we're trying to sell him a Cadillac”. That’s correct, and is why I went with the Tripp Lite unit, as it seemed to simplify the setup, and hopefully keep me from making a stupid/tragic mistake…….”keep it simple stupid”.ģ. Rollerbearing stated “I am assuming he selected an inverter/converter combo on purpose and intends to occasionally use shore power just as you would/might. I don't see that as a big worry anyway.Ģ.Ěssume I’ll be using the Tripp Lite combo Inverter/Charger I mentioned at the start. I think I’ll stick with NOT having shore power mess with my starter battery (to avoid the “different technologies” problem). So based on the conversation (hey, my 2nd post and I already started a healthy conversation!):ġ. Just want to plan ahead and try to learn some things so I don’t get in a bind down the line. I just bought the van a couple days ago and am still cleaning it out. As to what I have so far for equipment, appliances (coffee maker), etc,….nothing.
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