1.Charge for our products by USB:about 3hours
2.Charge for our products under sun light:about 8-10 hours under hard light
(LED turn Red when be charged,Led is not bright when finished charge)
3.Please confirm our products is full capacity,then charge for mobile phone or other electronics.
(LED turn Green when charge for other electronics by our products,Led is not bright ,that’s mean the battery of window solar charger is runs out quickly)