10pcs 3A DC-DC 12/24V to 5V USB Step Down Buck Converter Module

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10pcs 3A DC-DC 12/24V to 5V USB Step Down Buck Converter Module
Product Description
10pcs 3A DC-DC 12/24V to 5V USB Step Down Buck Converter Module
Description:
Input: 4.5V-28V
Output: 5V / 3A (Max)
Conversion efficiency: 92% (Max)
Switching Frequency: 1.4MHZ (Max) Typical 1MHZ
Operating temperature: -40 ℃ - + 85 ℃
Size: L42mm * W16mm * H5mm
Load capacity: Maximum 3A, 2A can be long-distance running
Application for : mobile power, mobile phones, tablet etc. which the voltage is 5V
Package Included:
10pcs  Step-down Module
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Delivery time
Return Policy
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Payment
1.We accept Paypal payment only , you can use credit card through PayPal.
2.Please make payment asap,then we can arrange shipment for you asap.
Shipping
If total amount ≥ 7usd ,we provide a tracking number with
you.
Delivery time
Normally it arrive in 10-30 business days when your order amount is more than 7usd.
And 30-60 days when amount is less than 7usd.
Return Policy
1.All products are eligible for 30-days money back guarantee.
2.All returns should be guided by us, please contact us for detail before you return anything.
Contact us
We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
Description: Input: 4.5V-28V Output: 5V / 3A (Max) Conversion efficiency: 92% (Max) Switching Frequency: 1.4MHZ (Max) Typical 1MHZ Operating temperature: -40 ℃ - + 85 ℃ Size: L42mm * W16mm * H5mm Load capacity: Maximum 3A, 2A can be long-distance running Application for : mobile power, mobile phones, tablet etc. which the voltage is 5V Package Included: 10pcs Step-down Module