Very compact, the charge controller inside is VERY sophisticated, not just a linear voltage regulator. My Li battery inside started swelling up after a few months and lifted the top right off the device. BAAAAD! Didnt leak though... With a better battery and a captive cable this device would rock. Too ... Read more
I use it to charge my mp3 and my cellular phone when I go on a trip to the mountain. In the mountain you haven’t power points. It’s very light and the plastic cover is very strong. The charge is low but it isn’t really a problem if you think in the price of this item. The great problem is the connection.... Read more
Fantástico. É extremamente pequeno e fino, e dessa forma pode-.se transportar facilmente para qualquer lado. Ter bateria de lithium é espectacular. Os leds não seriam desnecessários, estão aqui e apenas gastam bateria Se souberem como os desactivar, aconselho-os a fazerem ... Read more
It does what it's meant for, at a very cheap price.
Easy to disassemble.
Easy to use.
The green led brightness depends on the light the panel gets, so you'll easily understand when the panel is charging and when it is not. Well, actually I've found many cons. First of all, it takes a very very long time ... Read more
--> Very small, smaller than I thought
-->, good for carrying around and using as a emergency battery for mobile phones, ipods, mp3 players, digitalcameras etc.
--> it's solar powered, so you have free electricity!
--> it may be recharged by the usb of pc when there is no sun laying around
... Read more
it's very light and compact. thinner than a deck of cards, about as big around as a standard postcard. battery capacity on a unit of this size isn't extraordinary but was good enough to maintain usage of my cell phone away from a charger. you can either charge it via sunlight or by the included usb cable.... Read more
Contains a Lithium battery so once its charged it should stay charged for a short while. Capacity seems good and charges well in direct sunlight. Checked the output and supplies a very constant 5.45 volts which is perfect for charging any USB powered devices and is extremely useful on a sunny holiday ... Read more
You can use this as a portable battery pack, to charge anything that can be charged by regular USB power. It's also, of course, rechargeable by solar power, so you get "free" power for your devices! It seems to take a pretty long time to recharge the battery using just the solar power. Mind ... Read more
Very compact and light. Completely self contained and versatile! You can charge anything USB off of it. And ofcourse it only uses he sun for power! Can't be charged from an external source. Very difficult to use because the lights are not intuitive and they also don't let you know when either the internal ... Read more
Very light and compact. VERY versatile due to the USB interface. Uses clean solar energy. Can be used as an emergency power pack for using your phone/pda/mp3 player etc. Does not indicate when the battery is fully charged or not charged. Does not indicate when it is done charging whatever you plug into ... Read more
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