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Top 5 Positive Customer Reviews for 21w solar panel
This product it’s exactly as described. I tested it ouside, even if it’s still the end of winter, it charged my iphone 5s from 10% to 92% in 1h30. I presume it will be faster during summer. So far so good!
The delivery took long, about six weeks. But it was worth it. I connected it with my iPhone and it charged fine. 20% in half an hour of Full sunlight. There are no cables delivered with it. But you can use your own telephone cable. Seller communicated well when the delivery took to long.
excellent. tested it in the afternoon sun . no clouds. connected straight to my phone. 1% every 3mins. in less than 15 mins gained 4%. my guess is that I can fully charge 20000mah power bank within 2 days- depends on conditions. good convertion rate.