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1.u0026nbsp;u0026nbsp;u0026nbsp;How to use Solar Function ?

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When you use the solar charging .it need to be putu0026nbsp;in bright sun lightu0026nbsp;and cannot be interrupted, at least 48u0026nbsp;hours to charging this power bank by Solar , and then Power Bank can abtain a certain amount of energy from solar, and then you can use this energy to charge your cell phone when emergency.u0026nbsp;

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(This solar function, just for emergency use,It runsu0026nbsp;very slowly in the sun, because it’s just a small solar panel, that's why have no significant reactivity in short timeu0026nbsp;, recommended that you use the USB DC charging by wall adaptor if you want this power bank full and fast charged .)

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2.u0026nbsp;u0026nbsp;u0026nbsp;u0026nbsp;All the Power Bank have energy losing when charge the mobile phone by power bank.

u0026nbsp; u0026nbsp; Generally, the power bank conversion rate is 60% -70%. So, your device can only get about 3000mAh to 3500mAh Energy from this Power Bank.

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