I have mounted the 1250 in my Jeep which is the Tow Vehicle for my T@B Outback. It charges in motion via a roof rack mounted 100w Solar Panel and the 12vdc plug in the Jeep. When boondocking I add the 4 Boulder 30 Panels mounted on the tripod and top it off with a Yamaha 2000 generator, if needed.
I've absolutely loved my Yeti and have owned it for about a year now. It's very easy and intuitive to use, silent, and durable. The variety of power outputs makes the Yeti extremely versatile and well suited to nearly any device you might need to power. The battery has a display which lets you monitor the input and output so that you can accurately predict how long it will last at its current rate of use. I found that for heavy use, the Yeti requires at least 4 Boulder 30 panels, rather than the 2 that come in the kit. You will also likely benefit from getting an exension cord for panels, unless you plan to keep them pretty close to the battery. When camping, I use the Yeti to recharge all of my devices (with rechargeable batteries), keep our group's phone's charged, light up the entire camp (a few Light-a-Life's are very bright, and super efficient), and maybe keep 1 other small device like a laptop or fan working. I don't recommend it for large devices that constantly draw power (fridge, TV, etc), you would need more than 1 Yeti and more panels to reliably keep them running all day/night long. I've also found use for the Yeti around my apartment. I put the panels up on my roof and used the Yeti to light my entire bedroom, power a window fan, and recharge my phone and laptop. I would keep it connected to the wall that way I could use a combination of solar and wall-outlet power, to reduce my power usage. The biggest downside is the overall weight. It is not easy to move by yourself. There used to be a roll cart extension that you could attach to the battery to make moving it easier, but it appears to be discontinued, and the handles did not retract (like a suitcase would) which made storing it difficult. Overall, I highly recommend the Yeti and have gotten quite a lot of use out of it. It's been great for any extended car-camping, especially for music festivals w/camping.
I use the Yeti 1250 in our home in Zimbabwe.. The USG provides us a diesel generator to use when the spotty power grid cuts out, but I'd rather not pollute when I'm just running a crock pot and internet router. The Yeti sits in our kitchen to provide power to our kitchen appliances, iOS charging station, and network extender. The Yeti was my go-to plan when I heard the grid was as dodgy as it was in Nepal; even though it's better, it's still my plan, as the power can be out for up to 24 hours here. It's great as the LCD gives me live reporting of how many watts I'm getting from the boulder panels (2 panels), typically 20-40 watts in full sun, and also what my appliances draw. Apple Time Capsule: 20-25 watts. Rice Cooker: 400+ watts (have to figure out a better solution there). Kitchen aid mixer 20-60 watts (depending on speed). There are a few downsides to the product, most of which are solvable. 1. There is no included 8mm extension cable; the 6' cables exiting from the boulder panels (which are chainable, awesome!) are too short to place the panels on the roof (just one story up, and perfectly pitched) and put the Yeti on the kitchen counter inside. I'm ordering a couple 30' extension cables to fix this. At the current price-point, one would think the up-sell opportunities are there. 2. There is no 200v output! What? EVERY GZ inverter so far has had a dip switch for converting this, so I'm amazed there is not the option. I'm going to try out a local cigarette lighter ("car power" in the parlance of our times) 12v - 220v inverter and see if that works. Otherwise there is no way to power our 220v refrigerator 3. There is a 6 month warranty. Seriously? I bought this in the private pre-sale earlier in 2012, and I am just now getting this up and running, it having been delivered in our effects to post in November. My six months are long gone. Not that was that worried; this product is in the core of GZ's focus and everything else I've had* has been top notch quality. 4. Lead acid, definitely traditional and will be interesting to replace. I look forward to working with GZ on reclamation and replacement of the battery in 3-5 years. 5. The handles for the yeti (the dolly handles) are not collapsable. I removed them after placing it and put them in the pantry. When we take this on Safari, I'll just leave it in the vehicle. My bottom line: for globe trotters in long term assignments abroad with dodgy power grids (actually not that uncommon), this is a real asset. *Includes Escape 350 batteries, Escape 30w briefcase panels, Sherpa 120 power pack, Escape 150w jug, light-a-life lights, 400w inverter, sherpa inverter, fold-up 27w panel, fold-up 3.5w panel, fold-up 7w panel, guide10 and guide 10plus, boulder 15 panel..
I've been using the Yeti 1250 for about two months at an off-grid cabin in the mountains to run lighting, charge electronics, and use powertools. I charge it using the panels and every once in a while run the generator to top it off as well. The Yeti is powerful enough to run a jigsaw, power drill, and charge my power tools batteries while doing construction and it's great to be able to work without the noise of a generator... Highly recommend it!!
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