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KNACRO DC-DC 12V to 9V 2A Step-Down Power Supply Module Car Power Converter Module Synchronous Buck with Reverse Connection Protection

3.7 3.7 out of 5 stars 20 ratings
$6.99
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Purchase options and add-ons

Brand KNACRO
Item Weight 0.04 Pounds
Input Voltage 9 Volts, 12 Volts
Output Voltage 9 Volts

About this item

  • Properties: BUCK synchronous buck power supply
  • Input voltage: 12V (higher than the output voltage of 3V to 20V，minimum difference pressure is 3V, step-down power must ensure that the input voltage is higher than the output voltage is greater than 3V and above).
  • Output voltage: 9V (there are 3.3V, 3.7V, 4.2V, 5V, 6V, 7.5V, 9V optional).
  • Output Current: 2A MAX (long-term use depending on use environment, at 30 ° ordinary environment, without any long-term cooling 1.5A).
  • Protection: input reverse polarity, over-current, over-temperature protection, short circuit protection (short circuit can not be a long time, to resume normal work after a short time of the short).

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KNACRO DC-DC 12V to 9V 2A Step-Down Power Supply Module Car Power Converter Module Synchronous Buck with Reverse Connection Protection
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Price$6.99$9.99$8.99$8.99
Delivery
Get it as soon as Monday, May 20
Get it as soon as Tuesday, May 21
Get it as soon as Monday, May 20
Get it as soon as Monday, May 20
Customer Ratings
3.73.7 out of 5 stars20
4.54.5 out of 5 stars1,160
4.24.2 out of 5 stars61
4.54.5 out of 5 stars339
Easy to install
—
4.6
4.0
4.9
Accuracy
—
4.5
3.8
4.2
Value for money
—
4.5
3.7
4.4
Sold By
KNACRO
DROK
FBHDZVV
Magnoloran
output voltage
9 volts
9 volts
9 volts
9 volts
input voltage
12.0 volts, 9.0 volts
24.0 volts, 12.0 volts, 9.0 volts, 35.0 volts
12.0 volts, 9.0 volts
12 volts
weight
0.04 pounds
—
—
0.02 pounds

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KNACRO DC-DC 12V to 9V 2A Step-Down Power Supply Module Car Power Converter Module Synchronous Buck with Reverse Connection Protection

KNACRO DC-DC 12V to 9V 2A Step-Down Power Supply Module Car Power Converter Module Synchronous Buck with Reverse Connection Protection

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Product Description

Properties: BUCK synchronous buck power supply
Input voltage: 12V .
Output voltage: 9V.
Output Current: 2A MAX .
Conversion efficiency: up to 96%.
Static power consumption: only about 12mA.
Working temperature: -25 + 65 ° Industrial.
Protection: input reverse polarity, over-current, over-temperature protection, short circuit protection .
Input / Output line length: about 13 ~ 4CM, copper wire.
Body size:30*21*17mm/1.18*0.83*0.67in.
Weight:12g/0.43oz.
Special Note:
This power does not have waterproof rainproof function.
Pckage Included:
1*DC-DC 12V to 4.2V 2A Step-down power supply module

Customer reviews

3.7 out of 5 stars
3.7 out of 5
20 global ratings

Top reviews from the United States

danyliw
5.0 out of 5 stars RV use
Reviewed in the United States on November 19, 2022
Verified Purchase
All my fans are 9 volt instead of 12,so I can use them in my RV again
Helpful
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Runswithbeer
5.0 out of 5 stars Works as advertised
Reviewed in the United States on April 13, 2020
Verified Purchase
Works as advertised. Runs 9v router from 12v battery in rv. Another one runs 12v fan at 9v from 12v battery. Slows single speed fan down just enough in rv
Helpful
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Amazon Customer
5.0 out of 5 stars Very nice
Reviewed in the United States on March 5, 2020
Verified Purchase
Works perfectly
Helpful
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Amazon Customer
5.0 out of 5 stars 12 to 9 volt converter
Reviewed in the United States on August 27, 2019
Verified Purchase
Great product worked perfectly !
Helpful
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J Tilly
5.0 out of 5 stars Reliable . I would choose this converter again
Reviewed in the United States on January 11, 2021
Verified Purchase
For what it's worth it does the job well. I use this on my motorcycle ignition and it steps down 12 v to 9 v with no issues going on a couple months .
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Top reviews from other countries

Uma/Tony
1.0 out of 5 stars I found it not that good for my project
Reviewed in Australia on April 22, 2024
Verified Purchase
Has a lot of hi frequency interference
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