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If you have been troubled by the phone recharge problems while you are travelling or camping or having a picnic with your family or friend outside? However power bank is easy to run out and the large power bank is too weight to take. Using the most efficient solar panel cells available, it converts solar energy into electricity with a 22%-25% conversion rate. You can use it to quickly charge Cellphones, Power Banks, Tablets and most 5V USB loads.
