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Goal Zero Yeti 400 Portable Power Station, 400Wh Battery Powered Generator with 12V, AC and USB Outputs
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- 396Wh lead acid battery portable power station can power up to 7 devices at once (33Ah @ 12V)
- Continuous 300W, 600W surge pure-sine wave inverter, 2.1A USB ports, 120W 12V ports
- Charge phones, tablets, laptops, cameras, and most small devices. Backup power for small appliances, lights, and more
- Recharges from AC, 12V or solar panels (sold separately). Gas-free generator alternative with no noise, no fumes, no maintenance
- Chainable with other 33Ah lead acid batteries for longer runtimes
- Designed and engineered by power station experts with a US-based customer service center
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From the manufacturer
Goal Zero Yeti 400 Portable Power Station
A convenient, large capacity power bank designed to run lights, phones, laptops, and small appliances in an off-grid or power outage situation.
Whether you need power while camping in a tent or trailer, or looking for a reliable emergency power supply, the Goal Zero Yeti 400 Portable Power Station helps you keep all your essential devices charged up and ready.
Portable, All-in-one Power at the Push of a Button
The Goal Zero Yeti 400 is a convenient, all-in-one power station with a 396 watt-hour, 33Ah capacity, enough for charging a phone over 30 times, laptops 5 times, and even running small appliances for several hours. Its versatile array of powerful outputs (USB, AC and 12V) allows you to plug in 7 devices at once and its pure-sine wave inverter provides clean power, just like plugging into the wall at home.
Rechargeable Battery, No Gasoline Required
No matter where you go, keep the Goal Zero Yeti charged up through 3 easy ways: in 5 hours from a wall outlet with the included AC charger; in 13 hours with the available car charger*; or as fast as 8 hours from Goal Zero’s monocrystalline solar panels*. And since there’s no gasoline required and no toxic fumes, the Goal Zero Yeti is completely safe to use inside your house, tent, and car. It’s also silent – which makes it the perfect generator alternative to have on hand for any event.
*solar panels and 12V charger sold separately.
Informative LCD Display
Know just how much power you’re using with a quick glance to help estimate your runtime. Real-time input and output calculator is extremely helpful when positioning solar panels.
Chainable for Long-Lasting Power
Goal Zero’s patented modular design allows you to chain with other 33Ah lead-acid batteries to extend runtimes and power through outages or road trips without worrying about frequent recharges.
Emergency Power Source
A perfect alternative power source for those living in an apartment or who don’t want to deal with the noise, fumes, maintenance, and overall hassle of a gasoline inverter generator.
Goal Zero Yeti 400 Portable Power Station: A portable battery powered generator alternative is a rechargeable power source for personal electronic devices and small appliances.
Power for Phones, Tablets, Lights, Small Appliances, and More: Features 396 watt-hours (33Ah) and versatile outputs (USB, AC and 12V) for charging up to 7 devices at once. Compatible with iPhones, MacBooks, Samsung, Dell laptops, and much more.
Gasoline-free Generator Alternative: The Goal Zero Yeti 400 stores energy in a rechargeable, 12V lead-acid battery and operates without fumes or noise for safe, silent, clean way to power up your devices anywhere.
Recharge at Home, in the Car, or Anywhere: Easily recharge from an AC outlet in about 5 hours, from a 12V outlet* in about 13 hours, or from a solar panel in up to 8 hours depending on solar conditions and the size of the solar panel*.
Unparalleled Power Station Expertise: We’ve been powering people all over the world, from the Congo to Antarctica, Alaska to Florida. Our expertise goes beyond just USB, we understand what it takes to make rugged, dependable power stations with a variety of sophisticated outputs that will work when and where you need them.
US Based Solutions Center Team: Our friendly customer service team is located onsite in at our headquarters in Utah. These power experts are knowledgeable and easy to reach by phone, email, or online chat.*12V Car Charger and solar panels sold separately
Top customer reviews
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.
First (is this product right for you?), you need to know what you want to power and for how long (run-time). This is true for any alternative power product. If you don't know the watts, you can buy a watt meter for less than $20, or if the manufacturer has the information, you can look on the web or call. Note most manufacturer ratings in manuals are for Max power drain
(5 Stars)Product Ratings: quality is 4; functionality 4+; customer service 4-5 (both pre and post); Cost 2; educating users i.e. ads, manual etc. 2. For an overall rating of 3+. Goal Zero can go a long way by having educational series (YouTube) preparing, how to, and best practices including when to use and not use their products. Note on the cost; it is not as much as a function of Goal Zero over charging but that the more mobile and multifunctional the more costly it becomes.
This product is a low power option ~400 watts and is only good for low power items like cell phone, radios, cordless phone power base, some LED lighting or small LED TVs and some CPAPs. If you can use a portable gas generator, you can get a 2,000 watts units for less than this item. The main use most people that I have talk too about this products is as a backup for a CPAP which is one reason I use it.
If your CPAP with humidifier is 90 Watts with AC (ex. ResMed S9 CPAP), then here how to work out the power. Using the AC uses about 20% to covert DC to AC so the unit (Yeti 400) now is 320 watts. 320/90 = about 3+ hours. But if you use the humidifier on low the CPAP is somewhere between 40 to 70 watts so 320/40 watts is about 8 hours. My CPAP (not a S9) has a Car DC adapter (No loss for going from DC to AC and back to DC again.). that uses only 11 watts without humidifier installed and because I am NOT using the AC; I have ~400 watts. This comes out to be about 36 hours (about 4 and a half nights). This is why some reviews looks contradictory.
I also have a portable gas generator so why did I get the Yeti 400. I live in a rural area with power outages between 7 and 10 times a year. Most outages are only for a few hours and occur in bad weather and at night. Moving the generator outside and running power cords (open windows or doors for the cables) are best done in the daylight and not during bad weather. Also I use it car camping, remote photo shoots, and other mobile activities. Its' mobility and the fact that I only need about 250 watts (min mobile) is why I choose it.