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Old 01-13-2016, 09:36 PM   #11
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Renogy is a good company to do business with. I have 8 of their 100 watt panels, wiring, fuses and MPPT controller and they all work well. Their customer service was great.
I have yet to find a reason for a pure sinewave inverter over a modified sinewave. There have been no ill effects to anything I've run off of my MSW 5,000/10,000 watt unit. TVs, computers, BlueRay, chargers, etc all work just fine.

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Old 01-13-2016, 09:45 PM   #12
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2 batteries will get you a longer interval between needing to charge but the charge time with 2 batteries is also a lot longer. No free lunch.

I just use 1 Trojan 12V Group 30 and a Honda EU2000i. Works great.

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Old 01-13-2016, 10:16 PM   #13
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We have (2) 100 watt Renogy panels, (2) Trojan T-105 batteries. Did a 13 day trip to Glacier National Park in 2015 and never ran low on electricity. Probably spent a little over $1100 for panels, batteries, charge controller and monitor, and battery box.
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Old 01-14-2016, 12:08 AM   #14
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Either way you slice it, you're going to spend roughly $1,500-$2,500 to do what you're looking to do. Here's my solution.

I'm running four 6V golf cart batteries. I wanted the extra amp hours over typical 12V batteries, even though it is only about 40 more per pair. Plus, 6V batteries are known for being more durable if they get pulled too low. I have them in a split series-parallel arrangement through a heavy duty switch that gives me bat 1, bat 2, both so I can do whatever I might want to do.

Every day when I would cook dinner I would fire up the generator, a Honda EU2000i, let it run for an hour or two while the converter charged the batteries. I'd also charge the phone, iPad, etc. I would watch the voltage, charging it would be in the 14V range, as the batteries got topped up the voltage would start dropping. That indicates they're in the ~90% range and enough. I use a cpap machine run through an inverter, which is why I need to charge daily, even though I could probably go every other day with the generator.

Part of why I got that generator is because I have its twin also to run the AC.

I'm looking into solar as well, which would make the generator unnecessary in mild weather, but you're still looking to setup in a well lit area, hope for clear skies, etc. so I'll still carry my generator just in case.
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Old 01-14-2016, 04:17 PM   #15
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This is based on some assumptions; you mentioned you are short on room for another battery, so I am thinking you only have one right now?
Also, how much power you use per day can make a huge difference. I have a Renogy system (solar panel and charge controller-no inverter, $150). We run lights, water pump, laptop, & phone/camera chargers off the battery. Fridge & water heater on propane. A large battery bank and associated solar system are required for more (microwave). For AC a generator is pretty much the only solution.
The 100 watt panels will provide 6-7 amps for battery charging so 6 X 6 hours of sun = 36 amp/hrs which will typically recharge a Group 24 deep cycle (85 Ah) about half discharged. More batteries = more panels.

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