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Goal Zero Sherpa 50 Solar Kit W/ Inverter
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Goal Zero Sherpa 50 Solar Kit W/ Inverter
Comments: See Why the Sherpa 50 Power Pack is Your Best Friend

Goal Zero Sherpa 50 Solar Kit W/ Inverter

(1307098)
$449.99


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Goal Zero Sherpa 50 Solar Kit W/ Inverter-Power your laptop from the sun. Ultra-portable power supply for laptops, tablets, DVD players and more. Paired with durable solar panel for endless power.


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Goal Zero Sherpa 50 Solar Kit W/ Inverter - This kit has the Nomad 13 Solar panel, Sherpa 50 power pack and the Sherpa inverter. Battery life won't be a problem with the Nomad 13 Solar Panel. Keep phones, cameras, even tablets charged with the power of the sun. Use with a Goal Zero Portable Power Pack to charge your gear day or night. The Sherpa 50 power pack isa lightweight power supply to keep laptops and tablets charged up anywhere you go. The Sherpa 50 Recharger is easy to pack and light to carry so your gear now goes the same distance you do and quickly recharges from wall, car or sun. The Sherpa Inverter allow you totake your wall outlet with you. The Sherpa Inverter (110V) quickly and easily turns your Sherpa Power Pack into a convenient wall plug so you can power most laptops, tablets and camera batteries wherever life takes you.

  • Nomad 12: 13W Solar, USB power output, Weight 1.6 lbs
  • Sherpa 50 Power Pack: Recharge by AC/12V/Solar, USB/12V?AC powe output, Weight: 1.2 lbs
  • Sherpa Inverter: Sidecar Port Input, AC Inverter Output, Weight: 0.35 lbs

REVIEW SNAPSHOT®

by PowerReviews
Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black
 
4.6

(based on 138 reviews)

Ratings Distribution

  • 5 Stars

     

    (96)

  • 4 Stars

     

    (32)

  • 3 Stars

     

    (4)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (4)

95%

of respondents would recommend this to a friend.

Pros

  • Reliable (46)
  • Good power output (42)
  • Fast charge (39)
  • Good value (38)
  • Long lasting (34)

Cons

  • Charges slowly (6)
  • Pricey / poor value (4)
  • Inconsistent performance (3)

Best Uses

  • Travel (50)
  • Portable electronics (47)
  • Emergency equipment (35)
  • Having around the house (23)
  • High-end equipment (15)
    • Reviewer Profile:
    • Quality oriented (52), Budget shopper (5)
    • Primary use:
    • Personal (42), Business (16)
    • Was this a gift?:
    • No (54), Yes (4)

Most Liked Positive Review

 

Compact, yet just as powerful

Let me first start by saying that the newest iteration of the Sherpa50 is superior in almost all respects to the old Sherpa 50. Be that the smaller form factor, the use of Li-ion...Read complete review

Let me first start by saying that the newest iteration of the Sherpa50 is superior in almost all respects to the old Sherpa 50. Be that the smaller form factor, the use of Li-ion over Li-Po, and the products adaptability to your everyday life. The new Sherpa50 has almost everything. To make this review a little more readable to the masses, I'll start out with my impressions of this device, and the results of months of stress testing I imparted on this battery pack. And once the basics are out of the way, I'll lay down some of the technical information which people like me will find important.

Based on how I rated this product, I'm sure you can guess I'm quite happy with the Sherpa50's performance and form factor. Having extensively used the older (and much larger) brother to the new Sherpa50, the newest version leaves my school bag, and backpack lighter, and with more space. Yes, the new Sherpa50 is half the weight, and takes up only 48% of the volume of the older version. This may not be important for everyone, but I don't have to tell those who backpack, or have to haul things on their person (bag, purse, pocket, whatever) how important a pound+ savings can be. Normally such an accomplishment comes at a cost, but not this time.

So, what are some of the changes made? The biggest would be the changeover to laptop cells (6x 18650's, vs. 3 large LiPo's), and a much more compact circuit design. But GoalZero didn't just stop by making the product smaller; they added a beefier USB port (1.5A vs 0.5A, and yes, this thing charges iPads, and Smartphone's with ease), a cleaver attachable inverter (sold separately, though worth picking up), the addition of a laptop port (you can't use the laptop and 12v port simultaneously), and an LED light.

The new Sherpa50 now comes with a regulated 12v port to keep some of your electronics happier. And I found total output to be fairly consistent with varying loads. But I did notice that the new design is a little less efficient when charging under solar power (requires more solar energy to acquire the same state of charge). There are also more apparent safeties built into this model. For the most part, these are good, because they not only protect you from a failure, but also extend the life of the device by limiting the amount of damage you can do to the cells. But under heavy loads, especially while charging from solar, I could trigger the thermal safety cut-off, completely disconnecting any external charge coming in. The older version of the Sherpa50 was less temperate on this issue, but on the same note, the older version appears to be degrading faster when it comes to maintaining maximum capacity.

So, how has the new battery worked for me? Well, its main use has been powering my laptop (through the use of the attachable inverter) on an almost daily basis. In many instances I've used the new Sherpa50, with a few Nomad13's, to keep my laptop powered throughout the day without a plug in sight. Using the Sherpa50 to power your iPad (or other tablet) basically equates to 10-20hrs of use (depending on model) before even touching your internal battery. And if keeping your phone charged for days away from the city is important, well, look no further.

So, here comes the technical stuff. First, I'd like to talk about the advertised capacity. Under a 1C discharge, initial capacity showed 51wh (±1.8wh), which is slightly above those quoted by the company (the original Sherpa50 only gave 43wh under similar testing). And with close to 60-70 discharge cycles now on this pack, it still shows a capacity of 47wh. Though data on the specific LG cells used by GoalZero are unavailable, similar models show an expected drop-off of 80% after 300 cycles, putting my results closely in line of a linear model. Cells come in a standard series parallel (3-3.7v series, 2 sets in parallel) configuration, using quality cells. Because the cells are charged to about 90% of their total capacity, there will be some degradation over the long haul (the ideal standard is to only use 65% of total capacity for longest life). But having designed/built a battery pack under similar parameters as GoalZero for the solar car of our University, we found longevity of the cells to be only a minor issue.

To wrap up this review, the new Sherpa50 follows in the footsteps of its older brother. But the newest offering gives you more features in a lighter, smaller form factor, making this battery perfect for almost everything. Capacity in my testing has also increased by 18%, while battery safeties are maintaining that capacity longer. I really liked the old Sherpa50, but this new one I just love, that's about all I can say.

VS

Most Liked Negative Review

 

DME - CPAP Experience

I purchased the Sherpa 50 for its compact size and ability to add an inverter right to the pack it's self, no need to carry 2 separate items. While camping our Generator went down...Read complete review

I purchased the Sherpa 50 for its compact size and ability to add an inverter right to the pack it's self, no need to carry 2 separate items. While camping our Generator went down and so did the only 12v inverter we had. Suffering from Sleep Apnea is life or death, well I remembered I had our Sherpa 50 in the bag, it gave me @ 4 hours of run time, not quite a full night sleep but better than nothing. Gave it a full charge the next day and only got about 3 the next night worked well, but seemed to need just a bit more. Really like the USB / and flash light / wish the LED had a bit harder switch, got bumped and came on several times. Needs a switch like the one on the inverter / flat and a bit harder to switch on..

Reviewed by 138 customers

Displaying reviews 1-10

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4.0

preppers delight

By 

from Florida City, FL, United States

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

Gave the Sherpa 50 a few test loads and it ran great. I ran a fan and charged my phone to deplete the battery competley then charged it back up completely with only the solar panels. It did take the entire day and had to adjust panels as the sun moved thu the sky but all in all its worth the trouble and wieght of carrying.

 
5.0

Test Run

By 

from Houston,TX.

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

I purchased this several weeks ago before all the rain hit Texas, so I have not had time to test the photo cells. The sherpa is ready to go at a moments notice. Truthfully, I will not fully integrate the system until my first day of biking. Packs well, looks cool, now let's see it performs.

 
5.0

works beautifully

By 

from Undisclosed

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

I bought this kit to take to rural Ghana (plenty of sun) to power (primarily) my WaterPik and my Sonicare toothbrush. (much more important than any computer or phone). It charged up in half the time listed and has lasted so long I forgot I was using a battery. I love it!

 
5.0

Sherpa 50 Solar Kit

By 

from Honolulu, HI, United States

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

The sherpa 50 size is just enough to carry on the airplane for traveling, while the solar panel fit in the luggage.

 
1.0

Failed due to moisture in tent after 2 expedition

By 

from Undisclosed

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

I paired this unit with the 20 watt panel at base camp and it worked like a champ on a successfull K2 expedition (very rugged approach and variable weather). I just completed a successful Annapurna expedition and it died half way through. I always keep the Sherpa 50 out of the weather in my vestibule but condensation in the tent triggered one of the temperature sensors and shut it down. It has not recovered. I know this isn't water proof. I'm an electrical engineer and not affraid to take it apart but the 2nd temp sensor is elusive without a hardware diagram. It has been a great system and very rugged but I'm sad to lose something this expensive on it's second expedition.

(1 of 1 customers found this review helpful)

 
1.0

Goal Zero Sherpa 50 not show fully charged

By 

from Ukraina

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

new but defective will not charge more than 60% after long not charge indicates that the fully charged

 
4.0

Stays charged!

By 

from New Hampshire, United States

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

This thing is great. Lightweight, multiple options, and it holds a charge very well.

 
5.0

Ability to put out 12 volt and usb

By 

from Abilene Texas

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

Sherpa kept my devices charged in combat used in high temperature and freexing tempratures it has been a life saver for me

 
5.0

Great features!!

By 

from San Diego, CA, United States

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

I brought a year ago and still works great. Has not fail me once on a camping trip or the road.

 
5.0

Sherpa 50 is my love!

By 

from Phoenix, AZ, United States

Comments about Goal Zero Sherpa 50 Solar Kit W/ Inverter - Black:

Sherpa 50 is plenty for what you need for backpacking and car camping. Mostly, I use for lantern, cell phone, tablet, and camera. This thing is a beat when it comes to juicing to electronics. Amazing how you can plug two things at once and it keeps juicing the electronics quickly.

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