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solar panel battery

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solar panel battery Customers Reviews

  • Surprisingly efficient for the price, great value!

    posted by logozo

    Charges most (but not all) electronics that I have which can be charged through USB ports. It can charge battery packs. Internal electronics seem simple enough to be resilient overtime (no flimsy soldering or tiny wires). Comes with many adapters for cellphones and iDevices as well as standard mini/standard USB plugs.
    Overall does what it's supposed to do, and the price is better than on retail stores here.Most useful to charge battery packs (which in turn can be used at anytime, even when there's no sun). In that regard, this SKU does NOT come with a battery pack (it's only the solar panel and 5V charging electronics). You must provide a battery pack (pick one of the excellent SKUs on DX that charges through USB).
    Had tested it thoroughly, but not used for prolonged use - curious to try it next summer on a planned camping trip!
  • Nice thing for my diesel car battery

    posted by matolegin2

    I bought two pcs and connected paralelly together through diodes. So I have in load 14 V but 16 W. Together with 10 A regulator is connected to car battery. Auto battery is charged every day when is sunny but little also when is cloudy. I have always fresh battery and starting is no more problem. More watts = more strong battery and best conditions for starting car. Be aware and use proper connections and fuses. Panels are mounted on front window (always) i must not do anything, charging is automated and in night the charger will stop and automatically disconnect battery.
    --
    :-)
  • Godd ratio price/quality for the money

    posted by budiony

    The product has good quality/money ratio, comes with alligator clips and cigarette lightning jack for charging battery directly from your cigarette lightning inside a car, but you need to have a voltage in this jack when the keys are off and engine is not running, otherwise use the alligator clips.
    It appears after measuring the voltage with multimeter that it is around 16.5 Volts under direct sun light, the optimum voltage however for charging lead battery is 1.5 times the output voltage, in cas of 12 Volts that means that you`ll need 18 Volts.
    None
  • It works well and description appears accurate.

    posted by kelvinang

    Useful size and form factor. Provided suction cups help in attaching the panel to windows inside the car, or on the inside of the window of the house (as how I had used it). I leave mine permanently attached to a used 12V car battery (without a solar charge controller) and it always keep it well-charged without overcharging it.
    I suspect this panel does not have a built-in blocking diode that prevents the panel from drawing power from the battery when the sun goes down, but I can't verify that as it doesn't bother me too much.
    Useful and decent quality panel, albeit a little bit expensive.
  • good product, but pay attention

    posted by Punkiderma

    Small, with matte finish that helps to catch more solar energy.
    If you want to use it for small things (leds, small electronics) I think it would be ok, but pay attention to electronic device that absorb more energy.
    For the price, I think is a very good product. Very easy to use and mount. I think you’ll need also a voltage regulator to use it at his best.

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