Goal Zero 32101 Boulder 15M Solar Panel

The Boulder 15 Solar Panel is most often sold with the Escape 150 battery pack (the Coffee Maker looking battery), such as in this "kit". The advertisement above says to expect to fully charge the Escape 150 battery from empty charge in about 15 hours using the panel. When I bought the two together I charged the battery to full and then ran it down to empty. The next morning at sun up (I live in the California desert mountains . . so I'm high above the haze layer and have 100% crystal blue sky and sun) so I faced the panel directly at the sun for 11 hours solid. At the end of that time I was knocking on the door of 80% power (75%??) according to the battery charge indicator, and took the next day for another 3 hours (total of 14ish hours) to get the Escape 150 fully charged. Recommendation: if you're going to run the Escape 150 down to empty during the day/night (for laptops, etc.) then you'll need two (2) Boulder 15 solar panels (daisy-chained) to fully recharge the battery the next day. NOTE: Also, I did run the battery to empty off 3 of their LED lights (which are outstanding at 207 illumens 3-watt, "Light-a-life" as they're called). Manufacturer states to expect getting 16 hours of light (with 3 lights daisy chained). I got 17 hours 10 minutes with the Escape 150 battery.

This items works as advertised. I was able to trickle charge my car battery using the optional Goal Zero 4.7 mm to female cigarette adaptor. The items looks and feels well built. I also was able to charge a 12V 8Ah AGM battery used for my small electronic devices. I look forward taking this solar panel during camping trips.

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The solar panel arrived well packaged and with no discernible damage. The reason I didn't give it 5 stars was because the actual time to charge the goal zero 350 takes about 15 20% longer than advertised, and one needs to keep moving the panel every few hours to follow the sun to get the best results. This purchase was actually my second panel so I could chain it to another Boulder 15 panel to get faster charging. If you are trying to decide between the Boulder 15 and the Boulder 30 to use with the Goal Zero 350, the Boulder 30 is probably the better deal.

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Absolutely love Goal0 and recommend it to my friends that hike, bike, ride, and boat.

Brought this out while primitive camping out in Joshua Tree National Park for 8 days. We had 2 DSLR cameras, 2 iPhones, 1 ipad, 1 laptop, 1 GoPro camera and never ran out of power. We used these to charge our Nomad 150 battery pack during the day while we were out climbing and would charge all of our electronics at night and would still have 20% charge left over.

Obviously when hiking in several miles to set up a base-camp every ounce counts. The panels and battery pack fit perfectly and easily into my pack with my clothing and honestly, I forgot I was even carrying it.

I don't mean to sound dramatic but having portable power has become life changing. I planned on only spending 4 days of my vacation in the woods doing video and night photography and with the constant power available I was able to constantly dump and edit photos and charge batteries and edit time-lapse videos with out worry.

I highly recommend this for anyone that enjoys time away from the grid, but still enjoys the convenience of electronics.

I also bought the Nomad 7 and charge that right on my backpack, or on my car dashboard depending where and what I'm doing.

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I am tired of spending sooooo much money on batteries! I love FREE. I have 2 of these panels. I have only used one of them so far. You can daisy-chain the panels. It does what it suppose to do. Goal0 makes the best solar panels out there. Highly recommend!!! GREAT product!

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