Power Boost E 5v To Dc 12v Step Up Module Usb Converter Adapter Cable 2.1x5.5mm /1.35x5.5mm

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. it can protect your device from over-current, overcharge and overheating, so as to achieve safe and fast charging, 1.

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for faster charging: boosts voltage from 5v to 12v for quicker charging of devices..

 the item(s) must be returned in the same exact conditi.buyers can return item(s) for a refund within 7 days from the day the item(s) were received, and the buyer is to afford the return shipping cost.

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buyers can return item(s) for a refund within 7 days from the day the item(s) were received, and the buyer is to afford the return shipping cost. the item(s) must be returned in the same exact conditi.