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  • AUKEY 42W Solar Charger 4x 2.4A USB ports review

    I’ve owned 28watts Solar charger of the same brand for more than a year.  Getting ready for a long summer break and decided to get the more powerful 42W variant this time. I did a lot of testing with various products including phones, battery packs, rechargeable speakers and some quality time looking into the phone screen with battery monitor APP running on a very sunny day. This panel is one of the best solar panel charger I’ve owned so far from the many I tested.

    6 large panels, to get the best - you need direct sunlight hitting on the panel. I’ve tested with panel with high quality micro USB cable with the Solar charger outdoors, the meter hit around 1620ma but any minor cloudy condition drops the charge to 850ma or below. The test is done on a Samsung Galaxy S6 phone and for reference, whilst unplugged battery drain is around -500ma.

    Added an iPad Air into the equation to see any changes, surprisingly not much difference in power showed on Galaxy S6 irrespective of the addition of iPad Air. I don’t have a battery monitor on iPad, so cannot measure exactly how much current it is getting. Only thing I noticed is occasional drop of current to 0ma, that only happened once or twice in 2 hours of constant monitoring.

    And now back to basic details and comparison, the Solar panels are SunPower brand, they are one of the most famous companies. the charger is constructed with 6 large panels, 4 USB ports that can charge up to 2.4A of current, AUKEY calls this as AiPower. In the box, the solar panel charger, a micro USB cable (not the best inclusion I’ve seen from AUKEY) and 4 carabiner clips.
    42Watts & 6 Solar panels
    Overall a very decent charger without relying on electricity, even if your battery is full you can use it for charging your battery packs, solar lanterns and other solar powered lights - may be only little, still save some money on electricity. Please do check out the pictures for a closer look

    Important: Sun rays has to hit the panel straight (90 degree) for best results, so laying floor or table will not give you best result, check the attached pic with printed instruction on the unit.








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