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12V to 5V USB Buck Converter, MELIFE 4pcs DC-DC Step Down Module 9V-32V Step Down to DC 5V-5.3V 3A Volt Transformer QC 3.0 Charging Module Power Supply Module

4.2 out of 5 stars 7 ratings
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Size: 1 USB*4
  • PARAMETER --- Input voltage range DC 9V-32V; output voltage default DC 5V 3A, after triggering quick charging, it will be automatically adjusted at 3-12V; output power 24W max.
  • APPLICATION --- Solar panel to mobile phone charging DIY; Car charging system DIY; Driving recorder power supply DIY; Household power supply DIY etc.
  • PROTECTION --- Input over-voltage protection, input under-voltage protection; input over-current protection; output over-current protection; output short-circuit protection; over-temperature protection.
  • QUICK CHARGE --- Our buck voltage regulator is user-friendly, accompany with DC interface and connecting terminals, make it easier to be connected to different devices.
  • EASY TO USE --- The step down regulator adopts synchronous rectification scheme to provide wide voltage range, large current and high efficiency.
Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.
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Product Description

Parameters:
Input voltage: 9V-32V (12V/24V)
Output voltage: default 5V; after triggering quick charging, it will be automatically adjusted at 3-12V 3A 2.4A.
Output power: 24W max. (5V/3.4A; 9V/2.5A; 12V/2A, etc.)
Conversion efficiency: 90%-97%
Dimension: 46*16*9.5mm

Protections:
Input over-voltage protection;
Input under-voltage protection;
Input over-current protection;
Output over-current protection;
Output short-circuit protection;
Over-temperature protection.

Supportable fast charging versions:
BC 1.2; Apple 2.4A; Samsung AFC; Huawei FCP; QC 2.0/3.0; MTK PE 1.1/PE 2.0; AFC; SFCP.

Applications:
Solar panel to mobile phone charging DIY;
Car charging system DIY;
Driving recorder power supply DIY;
Household power supply renovation DIY.

Package Included:
4 x 1 USB Buck Converter

Customer reviews

4.2 out of 5 stars
4.2 out of 5
7 global ratings
5 star
61%
4 star
16%
3 star 0% (0%) 0%
2 star
23%
1 star 0% (0%) 0%

Top reviews from the United States

nero nakoma
5.0 out of 5 stars more than you expect, 99% effeciant and more
Reviewed in the United States on September 7, 2021
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Robert B.
2.0 out of 5 stars poor solder joints
Reviewed in the United States on February 14, 2022
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Robert B.
2.0 out of 5 stars poor solder joints
Reviewed in the United States on February 14, 2022
Capacitors not soldered effectively. Fell off in shipping and use.
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