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Goal Zero Yeti 400 Solar Generator Kit with Nomad 20 Solar Panel
|Price:||$639.95 & FREE Shipping|
Usually ships within 2 to 3 days.
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- Power lights, gadgets, laptops and CPAP machines anywhere with built-in AC inverters
- Continuous 300W, 600W surge pure-sine wave inverter, 2.1A USB ports, 120W 12V ports
- Chainable with other Goal Zero Yeti 400s for longer runtime
- Kit includes one Yeti 400 and one Nomad 20 watt solar panel
- Safe for indoor use; recharge from the wall, your car and/or solar panels
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Quiet, portable power for base camps, cabins and unexpected outages. The Goal Zero Yeti 400 Solar Generator allows you to live life off the grid, camp in luxury, or power through an outage without the noise and fumes of traditional back-up generators. Item is hazmat and non-returnable. This kit comes with one Nomad 20 solar panel.
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While very convenient, the included 33 AH battery offers fairy limited storage capacity for a 12-volt system. This can be doubled or tripled however by chaining additional compatible batteries, to create a 100AH system. I used this primarily to power a small dometic fridge on road trips when base camped for a couple days when 110 or car power was unavailable. (one additonal battery chained)
Most complaints, I've read are not so much problems with the unit itself, but people not realizing how limiting a 33 AH capacity battery really is, or not understanding how solar cells really charge. Here's a few key points that have been mentioned in other reviews, that I think are worth mentioning again:
1. 33 AH isn't a lot storage. You can't expect to power notable electric needs with this. Calculate your actual needs before purchasing. No 33 AH battery system will fulfill a 50 AH need without recharging.
2. in fact, a 33 AH capacity doesn't even mean you can power something requiring 3.3 amps for 10 hours. Many things won't run on a near dead battery, draining, a battery to zero isn't good and when trickle charging especially, it's hard to get a full charge. (One could write an entire book chapter on the nuances of this alone)
3. If charging via solar, realize a 100 watt solar cell will not increase your battery storage by 100 watt hours for every hour light is shining on it. 100 watts is the max output that solar cell will produce under ideal conditions. Many factors can decrease the efficiency of your solar charging. Read up on it.
Other reviews and other sources go into great detail about how to calculate electric needs, what you get from a given capacity, and how to calculate what you will get from solar charging. My point is simply that if you have unrealistic expectations, you will likely be disappointed.(with any 12-volt system) Spend the time to accurately figure out your needs, whether this meets your needs as is, whether you need to chain additional batteries, add more solar, etc. Having wired a couple sailboats myself, I have to say the convenience of a single self contained, portable system has it's benefits, but total storage is not one of them.
In terms of a well thought out, convenient system, I might give the Yeti 5 stars. I give it 4 primarily due to the relatively high cost for the relatively low storage capacity it has. Some better accessory cords would also be nice. Chaining with allegator clips for example. I certainly have no regrets about this purchase.
After all, The Yeti-400 is a very handy well build device and I'm happy with it. But I am very disappointed with Goal Zero customer service.
When having that problem with my laptop I was curious and I took my oscilloscope to check the "Pure Sine Wave" on the Yeti-400 AC output and I found a very nice sine wave with low harmonic distortion 150vp 60Hrz and 110vac RMS. I'm attaching a pic.
This is not a returnable item through Amazon. Amazon instead offered an full refund or replacement.
I had purchased this for an upcoming camping trip. With no immediate resolution in sight, I went ahead and purchased the Atoto Lithium Ion Portable Power Station instead of another Goal Zero product. I called Goal Zero again, this time to ask if they had a solution to connect the two nomad 20 solar panles in the kit to anderson adapters or even to MC4s for the Atoto PPS. The answer by Goal Zero customer service was simply NO and that the Nomad 20 panels were basically for this goal zero product, which was defective. It takes 8mm connections. Save your money and purchase something else.
Goal Zero seems to be everywhere on the internet when it comes to portable power supplies. I had hoped they produced a reliable product. But I see from the other many reviews that this is not the case. I share in the frustration expressed by many.
The replacement product that I purchased, Atoto PPS, is similarly rated as 400 watts, is much more lighter because of the the lithium ion batteries, is comparably priced to the Yeti 400, more portable, and most importantly works! I would recommend anybody that asks not to buy this product.