This SolarGoPack product has four 5watt monocrystalline solar panels bound together to make a 20 watt power source from the sun that charges a 12,000 mAh Lithium Ion battery. A single crystal or monocrystalline solid is a material in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries. The Monocrystalline structured solar panel technology is the most powerful and affordable technology on the market at this time. This 20watt solar panel will charge the 12k mAh battery in 1 hour. This battery will charge up to 4 cell phones at 30 minutes each from a dead zero charge. The entire panel design folds up into a nice portable package for easy transport. Great for charging any mobile devices when your off the grid. This is the most powerful, lightweight, portable panel and battery package on the market. SolarGoPack has an impeccable history of great products.
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