Who Sells the Cheapest Online Juicebar DO10-JB Pocket Solar Charger
Juicebar DO10-JB Pocket Solar Charger Review
The Juicebar Pocket Solar Charger contains a powerful, high capacity battery that can be charged via USB or by exposing the solar cell to sunlight. Beautifully designed with stainless steel and built for today's power-hungry devices, Juicebar can hold charge for a full month, so you can "juice-up" whenever you need it. Juicebar's built-in USB port allows the use of your device's own cable. Cutting edge engineering allows support for all popular phones as well as handheld games such as Nintendo 3DS and Sony PSP, GPS, MP3 players and much more. Juicebar is incredibly small and lightweight, measuring just 4 inches x 2.5 inches x 0.5 inches and weighing only 4 ounces. A status light indicates when fully charged, plus, there is a built-in flashlight function. Lithium-ion battery rating: 3.7 Volts, 2,000 milliampere-hour. Polycrystalline solar panel: 5.5 Volts, 100 milliampere-hour. Includes charger, 4 adapters (micro USB cable, mini USB, Nintendo 3DS and Sony PSP), USB cable, DC cable, carrying bag and instructions. Built-in USB port supports existing device USB cables.
Price : $39.99
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Juicebar DO10-JB Pocket Solar Charger Feature
- Contains a powerful, high capacity battery that can be charged via USB or by exposing the solar cell to sunlight
- Holds charge for more than 30 days
- Supports all popular mobile phones and electronic devices
- Built-in flashlight function
- Includes charger, 4 adapters (micro USB cable, mini USB, Nintendo 3DS and Sony PSP), USB cable, DC cable, carrying bag and instructions; built-in USB port supports existing device USB cables
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Costumer review
7 of 8 people found the following review helpful.
One defective, one unimpressive
By S. Mayo
We got a free one as part of supporting a local radio station. In this case we got what we paid for. It worked once, charging an iPhone from 95% to 100%. Since then it goes dead within seconds of plugging in a phone, and letting it bake in the sun for a day just causes it to report it's fully charged - to go dead again seconds after anything is plugged in.
A nice idea, and it would have been useful on mission trips to Haiti where power is frequently hard to come by. But the implementation is a disaster.
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We got a replacement unit, and this one didn't die the first day we used it. So I tried some experiments.
First, I charged it in the sun for a half day, and it showed some blue on the indicator bar. so I plugged in my iPhone. The iPhone battery began to drop, fairly quickly. Frustrated, I disconnected the iPhone and plugged the juicebar into my laptop, to charge it that way. After a few hours the bar went solid blue, and I plugged the iPhone back again.
Now the iPhone began to charge.
Apparently, the juicebar compares its internal battery to whatever it's plugged into, and decides whether it should charge itself up, or charge the other device, based on that. In other words if its internal battery is low and you plug it into a mostly-charged iPhone, it's going to assume you want it to drain the iPhone to charge its own battery. Consequence: forget using the juicebar to "top off" a mostly charged iPhone. You'll drain power instead.
Looking at the specs, this is a 2000 mAh battery and a 100 mAh solar cell (some apparently are rated at 80mAh). Even in a perfect world, it would take 20 hours of noonday sun to charge up the juicebar. 20 hours of bright sunlight being hard to come by in a day, this means that if you want a purely solar solution, you probably need to let the juicebar sit in the sun for 4 days, and maybe longer, to get it full. Then you can use it to charge a few devices, but once the juicebar starts to get low, it may start draining power instead.
I suspect the device would be fine in an Arizona summer. I live in Massachusetts. I doubt the juicebar is going to provide a complete charging solution. I kill an iPhone battery in a typical day of use.
Yes, you can fill the juicebar from your laptop. That goes quickly. But it's not efficient to charge a juicebar to charge an device; it wastes less power to just charge the device directly. The only way the juicebar is a win is if it charges from free sunlight, and see above.
I'm hoping this will be a better solution on trips to Haiti, which has plenty of bright sun and (where I go) unreliable power. In Massachusetts, my combination of heavy phone use and cloudy days means I'll continue to be tethered to charging from laptops, some amount of the time. And given how cheap it is to charge an iPhone, it would take a LOOONG time for this device to pay for itself on solar power.
Amusing idea, but in terms of ideal implementation, this is no titanium spork. Improvements: add a switch that tells the juicebar whether to charge, or be charged, from the USB port. Put a better battery indicator on it. Make it larger so a bigger solar cell can be added, or give it a fold out solar cell.
3 of 3 people found the following review helpful.
don't leave home without it!
By Laney
Great find! Small size, easily portable. Well built unit. I usually charge it via USB cable but it is nice having solar panel as a backup and I think that helps keep it at full charge between uses. Battery will give a full charge to my smartphone while on the road which is great for travel or when an electrical outlet is not handy.
Only negative is that the included adapter plugs are flimsy and the one I use most broke in half. So I replaced the entire cord/adapter combo with a dedicated micro USB cord.
3 of 3 people found the following review helpful.
Good Idea
By Stephanie
The idea is solid. The charge meter is hard to read. You must leave it baking in the sun a very long time and does not hold a charge well. I would not suggest buying this.
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