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Edited July 3, 2021
at 09:38 AM
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From the site:
With 10 watts in this durable and portable panel, you will never have to worry about a dead battery! Perfect for on-the-go activities, this lightweight panel is sure to give you power right when you need it. The Renogy E.FLEX10 Monocrystalline portable solar panel includes two carabiners that can easily attach your panel to a backpack while hiking and four suction cups for easy mounting on vehicle windows. The built-in monocrystalline solar cells give maximum efficiency and the new auto-optimization charging feature allows for a continuous charge the moment you're back in the sun! Add on a Renogy Drifter (portable battery bank) for back-up power in the shade or at night. Don't be left without power! This ultra-thin panel is sure to charge any USB device.
Includes carabiners and suction cups for easy attachment
Be sure to use Coupon "20off" when in the cart to get $20 off, making the total $1.99 + tax.
Free Shipping.
https://www.renogy.com/e-flex10-m...-usb-port/
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Submitted a ticket via their website for RMA and they responded quickly, but need to record and send a video of myself retrying all my troubleshooting steps like trying different cables and devices. Kinda a PITA... but as long as I can get a working one I guess it's worth it.
That said, the 10w 12v trickle charger I got from a different order seems to be working well for now.
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I got it too today.
Original price is $49.99. For that price, I'm not sure if the quality is there. I'm seeing a few typos here and there in the manual.
With San Francisco, CA sun, not 100% full brightness because SF often has some fog,
I was able to get 1.3 amps @ 5V
For a full 10W, we'd expect to see 2 amps.
I'll try again in the future in brighter sun to see if I can get 2 amps.
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Consistently get about 5w even with direct sunlight overhead. Sometimes I get 6w but that is about max I ever got. Sunlight is about as good as can be. I expected 70% + efficiency. Little disappointed here.