Ultra small DC-DC 3.7V battery up 5V DIY cell phone charging board circuit board 3V-5V USB boost module
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45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller. |
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On-time Delivery Guarantees: On-time Delivery 60 days |
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modname=ckeditor
Scope of use:
Lithium boost DC boost, MP3 MP4 mobile phone emergency charging mobile power DIY
1.DIY mobile power: when you travel or travel, you always feel your cell phone, MP3, MP4, PDA, PSP is not enough,
And when you have extra batteries,
You can consider yourself DIY a mobile power supply; just choose this module and add your own.[a lithium battery or 2-3 Ni MH power]
You can output 5V voltage for your mobile phone, MP3, MP4, PDA, PSP charging, very simple and convenient.
2.Steady voltage power supply: when your power is very unstable, it is high and low, butWhen your equipment needs 5V power supply,But now you have only one lithium battery in your hand.With our module, it can be directly boosted to 5V,Solve your
No USB wiring diagram
Buyers need to know:For the sake of their own interests, some manufacturers will identify resistance in MP3MP4 mobile phones and other products.
So when the buyer is buying this module, if you find it can’t be used, please find out the size and location of the resistance, and add it to it.
If you have any special requirements, we can design and make the board in accordance with your requirements and try to meet your requirements.
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| Name | Rating | Feedback |
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| Shipping Company | Shipping Cost | Estimated Delivery Time |
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3 - 7 days | |
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3 - 7 days | |
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5 - 14 days | |
| Post Air Mail | Free Shipping | 15 - 45 days |
| Return Policy | If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller. N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion. |
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| Seller Service | On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe). |
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